So, about a year and a half ago, I put together a reasonably exhaustive (and exhausting) list of Ibanez 7 string guitars in a post in this thread. I'm bored, so I decided to update it!
I know that there are a couple guitars I'm missing, including a very nice Prestige level RG7 with a natural mahogany finish and a fixed bridge (EDIT: found it
). If anyone wants to help me complete the list, feel free! Production models only.
EDIT: Click on the model name for a picture.
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RG7620 - These were equipped with an Lo-Pro Edge 7 trem, which is generally (although not universally) regarded as Ibanez's best 7 string knife-edge trem. These were produced from 1997 to 2002. The one they generally look closest too and are most often confused with is the RG7420. The most obvious visual cue (bridge aside) is the RG7620 has triangular pickup tabs. They're also equipped with Dimarzio New-7 pickups, which are a poor man's Blaze. As far as colors, it was available in Black, Grey Nickel, Vampire Kiss and the occasional Royal Blue. Some version of this guitar feature a 1 peice maple neck with scarf joint, while others feature a 3 piece maple/bubinga neck with a scarf joint.
RG7420 - These were produced from 2000 to 2002. Conversely to the RG7620, these are equipped with the Lo-TRS 7 trem, which is generally regarded as the worst 7 string trem Ibanez has put out. Other defining features when compared to the RG7620 is the RG7420 has much more round shaped pickup tabs. It's also worth noting that some of the earlier RG7420's actually have RG7620 necks. This was available in Black, Cherry Fudge and Magenta Crush according to Jemsite, although I'm certain it came in Royal Blue at some point as well. It came with V7-7 and V8-7 pickups, which are not well liked. I know these at least had the same 3 piece neck as the RG7620, although I'm uncertain if the neck varied at some point.
RG1527 - This was the Prestige equivalent of the RG7620, introduced in 2004 and currently still in production. The trem is the Edge Pro trem which, while not as highly regarded as the Lo-Pro Edge, is still a far cry better than the Lo-TRS. It comes with the same pickups as the RG7420, the V7-7 and the V8-7. Pickup replacements are considered a must. The most obvious visual cue of this guitar (once again, bridge aside) is the Ibanez Prestige logo on the headstock. This guitar currently comes in Royal Blue, but has also been available in Galaxy Blue (which is more purple than anything), as well as the occasional Galaxy Black. Also, the neck is different than the RG7620 and RG7420 in that it sports the Wizard Prestige 7 profile, which isn't really viewed as being superior or inferior than its predecessors, just different. Early incarnation had the same 3 piece neck construction as the RG 7620 and RG7420 with a scarf join. All newer models feature a 5 piece maple/wenge neck with a volute. Also, the 3 piece necks had standard sized fretboard markers, whereas the later 5 piece neck versions have smaller fretboard markers.
RG1527M - Basically the same guitar as the RG1527, except it features a Galaxy White paint job, as well as a maple fretboard. Otherwise identical to 5 piece neck RG1527's.
RG15271 (picture not available) - Only available in Japan, this is the Gotoh fixed bridge equivalent of the RG1527.
RG1527Z - Introduced in 2010, the new version of the RG1527 equipped with Ibanez's Edge Zero 7 bridge, as opposed to the previous Edge Pro 7. Available in gloss black, although I think they may be available in RB as well, I'm not certain. As of 2011, as per Ibanez' USA website, it appears the Z suffix has been removed, returning the model name to simply the RG1527.
RG7621 - Same as the RG7620, except with a Gotoh fixed bridge.
RG7421 - This is essentially to the RG7420 what the RG7621 is to the RG7620. Lower build quality and worse pickups. Same bridge, however, as the RG7621.
RG7421XL - 27" scale version of the RG7421. Otherwise identical. I believe this is the only 27" scale 7 string RG Ibanez released that featured the HH pickup configuration, instead of the HSH configuration.
RG7321 - Basically a redux of the RG7421, typically accepted to have lower build quality. One key visual difference is the RG7321 has neck binding. These featured Gotoh strat-style fixed bridges from their inception until 2010, at which point they switched to Ibby's new Gibraltar Standard 7 fixed bridge.
RG7321FM - A variant of the RG7321 that comes with a red-stained flamed maple veneer.
RG7320 - A new tremelo-equipped version of the RG7321 introduced for the 2011 model year, comes with the Edge Zero II-7 trem. Aside from that and the locking nut, it is identical to the RG7321.
RG7620M-BOL (picture not available) - This is the mahogany version of the RG7620. Quite a bit more rare by comparison, only a certain number were made. Unlike the RG7620, they were stained, not painted. Ultra rare, only 12 produced, only sold in the USA.
RG7621M-BOL (picture not available) - Fixed bridge equivalent of the RG7620M-BOL. Like it's trem'd brother, only 12 produced, and only sold is the USA.
RG2027X - A mahogany bodied prestige RG equipped with Ibanez's Double Edge trem. The Double Edge was basically a Lo-Pro edge equipped with piezo saddles and the extra electronics to accomodate them. Only a limited number of them were made, as they did not initially prove very popular, although they are a collectors item now.
RG2127X (picture not available)- Basically the same as the RG2027 except it has a transparent matte black finish while RG2027 has a transparent violin burst type finish. Also, the RG2127X was only available in Asia when it was new.
RG8527 - A J-Custom series 7 string (J-Custom being Ibanez's highest end guitars, aside from LACS). Only sold new in Japan. Mahogany bodied RG guitar with a flamed maple top and Lo-Pro 7 trem, later upgraded to an Edge-Pro 7 trem. Also a special neck profile and finish compared to Prestige and lower Ibanez guitars that I understand is *really* nice, although I don't really know the specifics. Available in Vintage Violin. Another distinguishing feature is that the fretboard dots are aligned to the top of the fretboard, instead of being center-aligned like other models.
RG8127 - Newer version of the RG8527 equipped with an Edge-Pro bridge and center-aligned fretboard markers Available in Fire Agate and Black Onyx. Also only sold in Japan.
RG8327 - Similar to the RG8127, except in a Biker Black finish. Once again, only sold in Japan.
RG8427 - Yet another Edge-Pro equipped J-Custom guitar, similar in every way to the RG8127, EXCEPT this guitar features the vine of life fretboard inlay most commonly seen on Steve Vai's 6 string JEM guitars. Again, Japan only.
RG8527Z - An Edge Zero 7 equipped variant of the RG8427 introduced for the 2011 model year, after a 2 year absence of 7 strings from Ibanez' J-Custom roster. Available in Divine Amber and Black Onyx. Also comes with the Vine of Life fretboard inlay.
RG7CT - Precursor to the RG8527. Aside from the neck profile and numbers produced, no real notable differences features wise. Only 24 were ever made, and one has been confirmed to have been parted out, which means only 23 remain at most.
RG7-1VV - Pretty much exactly the same as the RG7CT.
RG7CST - Double Edge (piezo) equipped version of the RG7CT. Like the RG7CT, only 24 were ever made (although some estimates say only 18 were made). Widely considered to be the best 7 string guitar Ibanez has ever produced. Also features an ebony fretboard and veneered headstock.
RG7680-LTD1 - Serious collectors item. These were the precursor to the RG1077. Equipped with a Lo-Pro Edge trem. Unlike most RG-series 7 strings, these also have a middle pickup. Another key feature is the 27" scale length, which is longer than a typical RG, which is 25.5". Lastly, they had 2 different kinds of paint jobs, one kind of purplish red, another kind of greenish blue, that had a 3d look to them. I don't know if Ibanez ever put out other guitars with these paint jobs, but they were beautiful. They ALSO had glow in the dark binding and fretboard dots.
RG7681-LTD1 - Another serious collectors item. Same as the RG7680-LTD1, except it has a Gotoh fixed bridge. The precursor to the RG7421XL.
RG1077XL - the product of the RG7680-LTD1, these came chiefly in a Royal Blue-like color, although there are a few floating around that are Galaxy Black. Equipped with a Lo-Pro Edge trem. Also have the middle pickup.
RG2077XL - Essentially the same as the RG1077XL, except these were equipped with the Edge Pro trem. They were manufactured specifically for the European and Asian markets.
RG7EXFX - Only available in Japan, these guitars are equipped with EMG pickups and Gotoh fixed bridges. These have a black finish.
RG7EXFX2 - Basically the same guitar as the RG7EXFX, but re-released with an Iron Pewter paint job.
RG7CSD1 - A 7 string designed by LACS featuring EMG pickups, a matte black finish, Lo-Pro Edge bridge, and 4 Gibson style controls (2 volume, 2 tone knobs) and a 3 way switch, eschewing Ibanez' standard 5 position blade switch. Some of these guitars have the XL logo on the headstock denoting 27" scale. This, however, was a mistake, as they are only 25.5" scale. Only available in Japan, which is ironic as it was designed by Ibanez's only non-asian production facility at the time. Only made in 2001. No guitar in this series had any fretboard inlays aside from the LACS logo on the 12th fret.
RG7CSD2 - Another guitar designed by LACS, this guitar featured a similar look to the RG7CSD1. It has the same style knobs as the RG7CSD1, but only 2 of them, and has a 5 position blade switch. It also features a Gotoh fixed bridge, an HSH pickup configuration (passives, unlike the RG7CSD1) and a the XL logo on the headstock, which is correct in this case, as it is actually 27". Like the RG7CSD1, only available in Japan. Also only made in 2001.
RG7CSD3 - The third in the series, this guitar was only made in 2002. It featured 2 EMG pickups, a 3 way selector, a Lo-Pro 7 tremolo and typical RG-style metal knobs, as opposed to the Gibson-style knobs used by the other two.
HRG7 - A mahogany bodied fixed bridge RG with a red oiled stain job reminiscent of the RG7620M-BOL (albeit lighter), made especially for Ikebe Gakki music stores in Japan.
HRG72 SOL - Essentially the same as the HRG7, but with a natural finish instead of stained.
HRG7E - Another fixed bridge mahogany bodied RG in flat black with EMG pickups, also only sold through Ikebe Gakki.
RG927QM - This is the flagship 7 string of Ibanez' new Premium line up, which sits in between regular Ibanez and Prestige models in terms of price, craftsmanship and quality control. This model began to appear during 2011, a few months after the 6 string Premium guitars became available. It features a basswood body with a quilted maple top and natural binding and matching headstock, as well as a 5 piece maple neck with walnut stripes and a bound rosewood fretboard. For hardware, it has an Edge Zero II tremolo and specially designed DiMarzio pickups built exclusively for Ibanez' Premium guitar lineup. The only finish currently available is Red Desert.
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RGD2127Z - Introduced in 2010, this is the first Ibanez 7 string to feature a 26.5" scale length, popularized by Schecter. RGD guitars have the basic body shape of an RG, but with extreme bevels on the top side and lower horn. A Prestige-level guitar equipped with an Edge Zero 7 trem, V7-7 and V8-7 pickups, and a titanium reinforced truss rod. Available in "Invisible Shadow" finish, which is essentially a matte dark grey.
RGD7321 - A non-prestige RGD equipped with a Gibraltar Standard 7 fixed Bridge and CAP VK17 and CAP VK27 pickups, as well as special "RGD inlays" on the fretboard. It does retain the 26.5" scale. Available in Flat Black. Introduced in 2011 to the US only.
RGD7320 - Identical to the RGD7321, except it sports and Edge Zero II-7 trem. This version seems to have been introduced to all markets except the US.
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RGA427Z - A Prestige level 7 string RGA. Comes with a mahogany body with a carved flamed maple cap and a 5 piece wizard 7 prestige neck with a flamed maple veneer on the headstock, matching the body, which comes in "Devil's Shadow" finish, which is basically a purple tinged trans-black. Equipped with an Edge Zero 7 trem and Ibanez Lo-Z active pickups, which are the same size as EMG 7 string pickups, which means replacing them with passive pickups could be quite bothersome and strange looking. This guitar looks very similar to Chris Brodericks RG7 LACS guitars, although Hoshino started creating RGA7 prototypes in about 2008, before Chris' LACS guitars were built.
RGA7 - Very similar in concept to the RG7321, the differences being that it features a carved mahogany body and Ibanez Lo-Z active pickups.
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K-7 - The precursor to the Apex 1. These were Korn's signature model before Head left the band. They were a mahogany bodied RG-style guitar equipped with Dimarzio PAF-7 pickups, as well as a specially equipped Lo-Pro Edge trem that could accomodate a U-bar, which essentially protected the fine tuners if the player laid his hand and pressed on the trem with it. Available in Firespark Blue and Blade Grey. These were very popular and are very well regarded. Aside from all these, the most obvious visual cue was the "K-7" inlay at the 12th fret.
Apex 1 - The current equivalent of the K7 guitars. The only major differences are the trem (this has an Edge Pro), paint job (biker black), and inlay (the inlay on this represents either the tropic of cancer or capricorn, can't remember which). Still, it hasn't proven nearly as popular as the K7. Originally equipped with the Edge-Pro 7, the trem was changed back to a Lo-Pro 7 in 2010 before the guitar was phased out in 2011.
Apex 2 - Another Korn signature guitar. Cheaper than the Apex 1, it's equipped with a Tune-o-matic bridge. Only comes in a forest-green like color. Also has the "Apex" inlay at the 12th fret. Mahogany body, like the Apex 1. Comes equipped with Dimarzio PAF-7 pickups with grey bobbins, which aren't available anywhere else.
Apex-100 - Introduced in 2011, this guitar replaces the Apex 1 as Munky's Prestige-level signature guitar. It features an Alder body, a first for an Ibanez 7 string (with the possible exception of the GRX720, although not confirmed). Comes equipped with a Lo-Pro 7 trem, as well as a Dimarzio Blaze Bridge 7 and a Blaze Middle 7, which is actually in the neck pickup position, making it Ibanez' only H/S 7 string. Additionally, it sports a white pick-guard and (potentially) front-side electronics routing, making it Ibanez only non-Universe 7 string guitar to do so. Comes in Sunburst finish. It's the only Korn-related guitar not to feature any non-standard inlays on the fretboard, although the word Apex does appear on the headstock.
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540S7 - Ibanez's first 7 string S series guitar. These were equipped with the Lo-Pro Edge as well as an HSS pickup configuration. In fact, this is the only Ibanez 7 string to have an HSS configuration. Pretty rare stuff. Only made during the early 90's. Especially rare are some of the earliest guitars produced, which were equipped with the original Edge 7. Available in black and red.
S7420 (old style) - A later S series 7 string guitar. These, like the RG7420, are equipped with the Lo-TRS 7 string trem, which is generally not well liked. Still, some swear by these guitars. A special run of these had wave shaped fretboard markers instead of simple dots. They came in either a galaxy grey type colour, or with a turquoise stained flamed maple top.
S7420FMTT - A special run of the S7420 that had wave shaped fretboard markers instead of simple dots. They came in the same turquoise color as the regular S7420, but not the galaxy grey. Only sold at Guitar Centre stores in the US.
S7320 - The current 7 string S series guitar. Equipped with the ZR7 trem, which (unlike all trems that Ibanez has put on their RG guitars) is equipped with a ball bearing pivot instead of a standard knife edge. Like all 7 string S series guitars, only 22 frets. Mahogany (I believe the other 2 seven string S guitars are mahogany as well). Available originally in black, later produced in white as well.
S7420 (new style) - An updated version of the S7320 that sports 24 frets instead of 22, as all previous S7 guitars had. Otherwise identical to the S7320.
STW - A double-neck S series guitar that was produced for a very short time in 1999, these carried a hefty MSRP of $3,300. While information on these guitars is sparse, I think it's safe to assume the body is mahogany, similar to all other S series 7 strings. The 7 string course featured a strat-style Gotoh bridge and H/H pickup configuration, while the 6 string course was equipped with a Lo-Pro tremolo, an H/S/H pickup configuration and a reverse headstock. Interestingly, the guitar features Ibanez' original square block heel, despite the fact that the All-Access Neck Joint had already debuted. The 7 string pickups are Ibanez V7-7 and V8-7, while the 6 string pickups are Ibanez QM1, AS1 (single coil) and AH2.
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Universe UV7PWH - White version of the Ibanez Universe available in the early nineties. Equipped with Dimarzio Blaze pickups in HSH configuration, same as all Universes. Initially equipped with the original Edge 7 (which is almost identical to an OFR7), but later equipped with the Lo-Pro Edge 7. Also has the dissapearing pyramid fretboard inlay.
Universe UV777GR - Color aside (these were green with funky colored pickup bobbins), the only difference between these and the UV7PWH (and every other universe) was that these have a maple fretboard, while every other Universe has a rosewood fretboard.
Universe UV77MC - Quite distinctivly, these guitars had a swirl paint job, which makes them highly sought after collectables. Another key difference between this and all other Universes is that these ones have transparent pickguards and rear-mounted electronics and body-mounted pickups, while all other Universes have pickguard-mounted electronics and pickups. This makes the bodies on these guitars closer to an RG than a Universe. Interestingly, 2 variants of the original UV77MC appear. The "ATD" version, which was done by a fellow named Darren, are far more sought after due to the quality and colour of the swirls. Also represented are the "MKR" versions, which are lovingly mocked but still sought after, "MKR" standing for "mustard-ketchup-relish," as that is what their swirls appeared to resemble. Ibanez made a limited run of ATD reissues in 2010, coloured by the original swirler, Darren.
Universe UV7BK - Identical spec wise to the UV7PWH except for the color (initially black and green, later black and silver). Only other difference to all other Universes is this model eschewed the dissapearing pyramid inlay in favor of a simple dot inlay. Hence, they would come to be known as Green-Dot and Silver-Dot Universes.
Universe UV777BK - The first Universe to be equipped with the All Access Neck Joint (earlier models had square neck heels). At first equipped with the Lo-Pro 7, beginning in 2003 they were equipped with the Edge Pro 7 until 2010 when they were reverted back to the Lo-Pro 7. Also feature the 'all seeing eye' inlay on the body behind the bridge and a mirror pickguard. Black paint job.
Universe UV777P - Essentially the same guitar as the Edge-Pro equipped UV777BK, I think the only differences are quality wise. If there's another difference, someone please point it out to me.
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AX7221 - A low quality mahogany bodied 7 string guitar with a Gotoh fixed bridge with a body shape reminiscent of the Gibson SG (although not exactly the same). Unlike typical Ibanez 7 string guitars, this guitar features a 24.75" scale, likely to give it a Gibson-esque feel. Came in a dark grey colour. Made in Korea.
AX7521 - A higher quality version of the AX7521, this one was was made in Japan, so construction quality was generally far better. Similar spec-wise to the AX7221, this one came in the same dark grey, but also in cherry fudge, a maroon kind of colour.
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XPT-707FX - A 7 string version of the Xiphos. Mahogany body, 5 piece neck-thru. Equipped with a Gibraltar Custom 7 bridge who's design is reminiscent of Ibanez' now-defunct Mike Mushok signature model, as well as DiMarzio D-Activator 7 pickups. Comes in Gray Chameleon finish. When originally introduced, the bevels on the edges of the body, while sharp, were not particularly pronounced. However, one/two years into its run, Ibanez altered the body shape to make the bevels on the top and bottom edges of the body far more prominent. This is also the only Ibanez production 7 string model to feature a reversed headstock (matches the body).
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ARZ307 - Ibanez' first foray into single-cutaway style 7 string guitars. Features a bound mahogany body with a carved top and a bound set-neck mahogany 25" scale neck. Also features a TOM style Ibanez Full-Tune III-7 bridge and Ibanez AH37 pickups, as well as transparent numbered volume and tone knobs and a 3 position pickup selector. The headstock design is similar to Ibanez' AM series. Lastly, comes with Ibanez' tool-less truss rod cover.
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AJ307CE - An acoustic 7 string with a spruce top, rosewood sides and mahogany neck introduced in 1997. It featured a Fishman acoustic pickup system. Built in Korea.
AJ307CE-NT - Essentially the same guitar as the regular AJ307CE, it replaced the latter in 1999. The only difference was the EQ system that the newer model was equipped with. These were made until 2002.
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AF207 - This guitar is a jazz box style 7 string hollow-body electric. The body was made from a spruce top and maple sides and back. The neck was a 3 piece mahogany/maple laminate with an ebony fretboard, one of the few Ibanezes to do so. The guitar also sported an ebony bridge, gold hardware and a single DiMarzio Blaze II pickup in the neck position. It was manufactured in Japan and had a $2,999 MSRP. It was in production from 1997 to sometime in 2003.
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GRX720 - This was Ibanez' only GIO series 7 string. There are conflicting reports regarding the material of the body, with some sources indicating it was Alder, while some others indicate it was Agathis. Both woods are within the realm of possibility. It also featured a maple neck with 22 frets, Powersound pickups, a black pickguard, and a generic 7 string strat-style floating tremolo.
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SR7VIISC - Quite a unique experiment, especially coming from a company like Ibanez, the SR7VIISC was essentially designed to combine the functionality of the guitar and bass into a single instrument. While at first glance, it looks far more like a bass than a guitar, with the standard SR body shape, 30" scale and bass tuners, a closer look will tell you that the strings, while spaced slightly farther apart than a regular guitar, are much closer together than typical bass strings. The guitar was essentially designed to be tuned like a normal seven string, B-E-A-D-G-B-E, except a full octave lower. It featured a mahogany body, a 5 piece maple/bubinga neck with dyed rosewood fretboard, abalone oval-shaped fret markers, a Gibraltar Custom Bass VII bridge, and Ibanez' Vari-Mid III equalizer, specifically tuned to the SR7. The pickups were designed jointly by Ibanez and Seymour Duncan. As it was always intended to be a limited edition instrument, it was only available in 2009.
I know that there are a couple guitars I'm missing, including a very nice Prestige level RG7 with a natural mahogany finish and a fixed bridge (EDIT: found it
). If anyone wants to help me complete the list, feel free! Production models only.EDIT: Click on the model name for a picture.
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RG7620 - These were equipped with an Lo-Pro Edge 7 trem, which is generally (although not universally) regarded as Ibanez's best 7 string knife-edge trem. These were produced from 1997 to 2002. The one they generally look closest too and are most often confused with is the RG7420. The most obvious visual cue (bridge aside) is the RG7620 has triangular pickup tabs. They're also equipped with Dimarzio New-7 pickups, which are a poor man's Blaze. As far as colors, it was available in Black, Grey Nickel, Vampire Kiss and the occasional Royal Blue. Some version of this guitar feature a 1 peice maple neck with scarf joint, while others feature a 3 piece maple/bubinga neck with a scarf joint.
RG7420 - These were produced from 2000 to 2002. Conversely to the RG7620, these are equipped with the Lo-TRS 7 trem, which is generally regarded as the worst 7 string trem Ibanez has put out. Other defining features when compared to the RG7620 is the RG7420 has much more round shaped pickup tabs. It's also worth noting that some of the earlier RG7420's actually have RG7620 necks. This was available in Black, Cherry Fudge and Magenta Crush according to Jemsite, although I'm certain it came in Royal Blue at some point as well. It came with V7-7 and V8-7 pickups, which are not well liked. I know these at least had the same 3 piece neck as the RG7620, although I'm uncertain if the neck varied at some point.
RG1527 - This was the Prestige equivalent of the RG7620, introduced in 2004 and currently still in production. The trem is the Edge Pro trem which, while not as highly regarded as the Lo-Pro Edge, is still a far cry better than the Lo-TRS. It comes with the same pickups as the RG7420, the V7-7 and the V8-7. Pickup replacements are considered a must. The most obvious visual cue of this guitar (once again, bridge aside) is the Ibanez Prestige logo on the headstock. This guitar currently comes in Royal Blue, but has also been available in Galaxy Blue (which is more purple than anything), as well as the occasional Galaxy Black. Also, the neck is different than the RG7620 and RG7420 in that it sports the Wizard Prestige 7 profile, which isn't really viewed as being superior or inferior than its predecessors, just different. Early incarnation had the same 3 piece neck construction as the RG 7620 and RG7420 with a scarf join. All newer models feature a 5 piece maple/wenge neck with a volute. Also, the 3 piece necks had standard sized fretboard markers, whereas the later 5 piece neck versions have smaller fretboard markers.
RG1527M - Basically the same guitar as the RG1527, except it features a Galaxy White paint job, as well as a maple fretboard. Otherwise identical to 5 piece neck RG1527's.
RG15271 (picture not available) - Only available in Japan, this is the Gotoh fixed bridge equivalent of the RG1527.
RG1527Z - Introduced in 2010, the new version of the RG1527 equipped with Ibanez's Edge Zero 7 bridge, as opposed to the previous Edge Pro 7. Available in gloss black, although I think they may be available in RB as well, I'm not certain. As of 2011, as per Ibanez' USA website, it appears the Z suffix has been removed, returning the model name to simply the RG1527.
RG7621 - Same as the RG7620, except with a Gotoh fixed bridge.
RG7421 - This is essentially to the RG7420 what the RG7621 is to the RG7620. Lower build quality and worse pickups. Same bridge, however, as the RG7621.
RG7421XL - 27" scale version of the RG7421. Otherwise identical. I believe this is the only 27" scale 7 string RG Ibanez released that featured the HH pickup configuration, instead of the HSH configuration.
RG7321 - Basically a redux of the RG7421, typically accepted to have lower build quality. One key visual difference is the RG7321 has neck binding. These featured Gotoh strat-style fixed bridges from their inception until 2010, at which point they switched to Ibby's new Gibraltar Standard 7 fixed bridge.
RG7321FM - A variant of the RG7321 that comes with a red-stained flamed maple veneer.
RG7320 - A new tremelo-equipped version of the RG7321 introduced for the 2011 model year, comes with the Edge Zero II-7 trem. Aside from that and the locking nut, it is identical to the RG7321.
RG7620M-BOL (picture not available) - This is the mahogany version of the RG7620. Quite a bit more rare by comparison, only a certain number were made. Unlike the RG7620, they were stained, not painted. Ultra rare, only 12 produced, only sold in the USA.
RG7621M-BOL (picture not available) - Fixed bridge equivalent of the RG7620M-BOL. Like it's trem'd brother, only 12 produced, and only sold is the USA.
RG2027X - A mahogany bodied prestige RG equipped with Ibanez's Double Edge trem. The Double Edge was basically a Lo-Pro edge equipped with piezo saddles and the extra electronics to accomodate them. Only a limited number of them were made, as they did not initially prove very popular, although they are a collectors item now.
RG2127X (picture not available)- Basically the same as the RG2027 except it has a transparent matte black finish while RG2027 has a transparent violin burst type finish. Also, the RG2127X was only available in Asia when it was new.
RG8527 - A J-Custom series 7 string (J-Custom being Ibanez's highest end guitars, aside from LACS). Only sold new in Japan. Mahogany bodied RG guitar with a flamed maple top and Lo-Pro 7 trem, later upgraded to an Edge-Pro 7 trem. Also a special neck profile and finish compared to Prestige and lower Ibanez guitars that I understand is *really* nice, although I don't really know the specifics. Available in Vintage Violin. Another distinguishing feature is that the fretboard dots are aligned to the top of the fretboard, instead of being center-aligned like other models.
RG8127 - Newer version of the RG8527 equipped with an Edge-Pro bridge and center-aligned fretboard markers Available in Fire Agate and Black Onyx. Also only sold in Japan.
RG8327 - Similar to the RG8127, except in a Biker Black finish. Once again, only sold in Japan.
RG8427 - Yet another Edge-Pro equipped J-Custom guitar, similar in every way to the RG8127, EXCEPT this guitar features the vine of life fretboard inlay most commonly seen on Steve Vai's 6 string JEM guitars. Again, Japan only.
RG8527Z - An Edge Zero 7 equipped variant of the RG8427 introduced for the 2011 model year, after a 2 year absence of 7 strings from Ibanez' J-Custom roster. Available in Divine Amber and Black Onyx. Also comes with the Vine of Life fretboard inlay.
RG7CT - Precursor to the RG8527. Aside from the neck profile and numbers produced, no real notable differences features wise. Only 24 were ever made, and one has been confirmed to have been parted out, which means only 23 remain at most.
RG7-1VV - Pretty much exactly the same as the RG7CT.
RG7CST - Double Edge (piezo) equipped version of the RG7CT. Like the RG7CT, only 24 were ever made (although some estimates say only 18 were made). Widely considered to be the best 7 string guitar Ibanez has ever produced. Also features an ebony fretboard and veneered headstock.
RG7680-LTD1 - Serious collectors item. These were the precursor to the RG1077. Equipped with a Lo-Pro Edge trem. Unlike most RG-series 7 strings, these also have a middle pickup. Another key feature is the 27" scale length, which is longer than a typical RG, which is 25.5". Lastly, they had 2 different kinds of paint jobs, one kind of purplish red, another kind of greenish blue, that had a 3d look to them. I don't know if Ibanez ever put out other guitars with these paint jobs, but they were beautiful. They ALSO had glow in the dark binding and fretboard dots.
RG7681-LTD1 - Another serious collectors item. Same as the RG7680-LTD1, except it has a Gotoh fixed bridge. The precursor to the RG7421XL.
RG1077XL - the product of the RG7680-LTD1, these came chiefly in a Royal Blue-like color, although there are a few floating around that are Galaxy Black. Equipped with a Lo-Pro Edge trem. Also have the middle pickup.
RG2077XL - Essentially the same as the RG1077XL, except these were equipped with the Edge Pro trem. They were manufactured specifically for the European and Asian markets.
RG7EXFX - Only available in Japan, these guitars are equipped with EMG pickups and Gotoh fixed bridges. These have a black finish.
RG7EXFX2 - Basically the same guitar as the RG7EXFX, but re-released with an Iron Pewter paint job.
RG7CSD1 - A 7 string designed by LACS featuring EMG pickups, a matte black finish, Lo-Pro Edge bridge, and 4 Gibson style controls (2 volume, 2 tone knobs) and a 3 way switch, eschewing Ibanez' standard 5 position blade switch. Some of these guitars have the XL logo on the headstock denoting 27" scale. This, however, was a mistake, as they are only 25.5" scale. Only available in Japan, which is ironic as it was designed by Ibanez's only non-asian production facility at the time. Only made in 2001. No guitar in this series had any fretboard inlays aside from the LACS logo on the 12th fret.
RG7CSD2 - Another guitar designed by LACS, this guitar featured a similar look to the RG7CSD1. It has the same style knobs as the RG7CSD1, but only 2 of them, and has a 5 position blade switch. It also features a Gotoh fixed bridge, an HSH pickup configuration (passives, unlike the RG7CSD1) and a the XL logo on the headstock, which is correct in this case, as it is actually 27". Like the RG7CSD1, only available in Japan. Also only made in 2001.
RG7CSD3 - The third in the series, this guitar was only made in 2002. It featured 2 EMG pickups, a 3 way selector, a Lo-Pro 7 tremolo and typical RG-style metal knobs, as opposed to the Gibson-style knobs used by the other two.
HRG7 - A mahogany bodied fixed bridge RG with a red oiled stain job reminiscent of the RG7620M-BOL (albeit lighter), made especially for Ikebe Gakki music stores in Japan.
HRG72 SOL - Essentially the same as the HRG7, but with a natural finish instead of stained.
HRG7E - Another fixed bridge mahogany bodied RG in flat black with EMG pickups, also only sold through Ikebe Gakki.
RG927QM - This is the flagship 7 string of Ibanez' new Premium line up, which sits in between regular Ibanez and Prestige models in terms of price, craftsmanship and quality control. This model began to appear during 2011, a few months after the 6 string Premium guitars became available. It features a basswood body with a quilted maple top and natural binding and matching headstock, as well as a 5 piece maple neck with walnut stripes and a bound rosewood fretboard. For hardware, it has an Edge Zero II tremolo and specially designed DiMarzio pickups built exclusively for Ibanez' Premium guitar lineup. The only finish currently available is Red Desert.
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RGD2127Z - Introduced in 2010, this is the first Ibanez 7 string to feature a 26.5" scale length, popularized by Schecter. RGD guitars have the basic body shape of an RG, but with extreme bevels on the top side and lower horn. A Prestige-level guitar equipped with an Edge Zero 7 trem, V7-7 and V8-7 pickups, and a titanium reinforced truss rod. Available in "Invisible Shadow" finish, which is essentially a matte dark grey.
RGD7321 - A non-prestige RGD equipped with a Gibraltar Standard 7 fixed Bridge and CAP VK17 and CAP VK27 pickups, as well as special "RGD inlays" on the fretboard. It does retain the 26.5" scale. Available in Flat Black. Introduced in 2011 to the US only.
RGD7320 - Identical to the RGD7321, except it sports and Edge Zero II-7 trem. This version seems to have been introduced to all markets except the US.
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RGA427Z - A Prestige level 7 string RGA. Comes with a mahogany body with a carved flamed maple cap and a 5 piece wizard 7 prestige neck with a flamed maple veneer on the headstock, matching the body, which comes in "Devil's Shadow" finish, which is basically a purple tinged trans-black. Equipped with an Edge Zero 7 trem and Ibanez Lo-Z active pickups, which are the same size as EMG 7 string pickups, which means replacing them with passive pickups could be quite bothersome and strange looking. This guitar looks very similar to Chris Brodericks RG7 LACS guitars, although Hoshino started creating RGA7 prototypes in about 2008, before Chris' LACS guitars were built.
RGA7 - Very similar in concept to the RG7321, the differences being that it features a carved mahogany body and Ibanez Lo-Z active pickups.
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K-7 - The precursor to the Apex 1. These were Korn's signature model before Head left the band. They were a mahogany bodied RG-style guitar equipped with Dimarzio PAF-7 pickups, as well as a specially equipped Lo-Pro Edge trem that could accomodate a U-bar, which essentially protected the fine tuners if the player laid his hand and pressed on the trem with it. Available in Firespark Blue and Blade Grey. These were very popular and are very well regarded. Aside from all these, the most obvious visual cue was the "K-7" inlay at the 12th fret.
Apex 1 - The current equivalent of the K7 guitars. The only major differences are the trem (this has an Edge Pro), paint job (biker black), and inlay (the inlay on this represents either the tropic of cancer or capricorn, can't remember which). Still, it hasn't proven nearly as popular as the K7. Originally equipped with the Edge-Pro 7, the trem was changed back to a Lo-Pro 7 in 2010 before the guitar was phased out in 2011.
Apex 2 - Another Korn signature guitar. Cheaper than the Apex 1, it's equipped with a Tune-o-matic bridge. Only comes in a forest-green like color. Also has the "Apex" inlay at the 12th fret. Mahogany body, like the Apex 1. Comes equipped with Dimarzio PAF-7 pickups with grey bobbins, which aren't available anywhere else.
Apex-100 - Introduced in 2011, this guitar replaces the Apex 1 as Munky's Prestige-level signature guitar. It features an Alder body, a first for an Ibanez 7 string (with the possible exception of the GRX720, although not confirmed). Comes equipped with a Lo-Pro 7 trem, as well as a Dimarzio Blaze Bridge 7 and a Blaze Middle 7, which is actually in the neck pickup position, making it Ibanez' only H/S 7 string. Additionally, it sports a white pick-guard and (potentially) front-side electronics routing, making it Ibanez only non-Universe 7 string guitar to do so. Comes in Sunburst finish. It's the only Korn-related guitar not to feature any non-standard inlays on the fretboard, although the word Apex does appear on the headstock.
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540S7 - Ibanez's first 7 string S series guitar. These were equipped with the Lo-Pro Edge as well as an HSS pickup configuration. In fact, this is the only Ibanez 7 string to have an HSS configuration. Pretty rare stuff. Only made during the early 90's. Especially rare are some of the earliest guitars produced, which were equipped with the original Edge 7. Available in black and red.
S7420 (old style) - A later S series 7 string guitar. These, like the RG7420, are equipped with the Lo-TRS 7 string trem, which is generally not well liked. Still, some swear by these guitars. A special run of these had wave shaped fretboard markers instead of simple dots. They came in either a galaxy grey type colour, or with a turquoise stained flamed maple top.
S7420FMTT - A special run of the S7420 that had wave shaped fretboard markers instead of simple dots. They came in the same turquoise color as the regular S7420, but not the galaxy grey. Only sold at Guitar Centre stores in the US.
S7320 - The current 7 string S series guitar. Equipped with the ZR7 trem, which (unlike all trems that Ibanez has put on their RG guitars) is equipped with a ball bearing pivot instead of a standard knife edge. Like all 7 string S series guitars, only 22 frets. Mahogany (I believe the other 2 seven string S guitars are mahogany as well). Available originally in black, later produced in white as well.
S7420 (new style) - An updated version of the S7320 that sports 24 frets instead of 22, as all previous S7 guitars had. Otherwise identical to the S7320.
STW - A double-neck S series guitar that was produced for a very short time in 1999, these carried a hefty MSRP of $3,300. While information on these guitars is sparse, I think it's safe to assume the body is mahogany, similar to all other S series 7 strings. The 7 string course featured a strat-style Gotoh bridge and H/H pickup configuration, while the 6 string course was equipped with a Lo-Pro tremolo, an H/S/H pickup configuration and a reverse headstock. Interestingly, the guitar features Ibanez' original square block heel, despite the fact that the All-Access Neck Joint had already debuted. The 7 string pickups are Ibanez V7-7 and V8-7, while the 6 string pickups are Ibanez QM1, AS1 (single coil) and AH2.
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Universe UV7PWH - White version of the Ibanez Universe available in the early nineties. Equipped with Dimarzio Blaze pickups in HSH configuration, same as all Universes. Initially equipped with the original Edge 7 (which is almost identical to an OFR7), but later equipped with the Lo-Pro Edge 7. Also has the dissapearing pyramid fretboard inlay.
Universe UV777GR - Color aside (these were green with funky colored pickup bobbins), the only difference between these and the UV7PWH (and every other universe) was that these have a maple fretboard, while every other Universe has a rosewood fretboard.
Universe UV77MC - Quite distinctivly, these guitars had a swirl paint job, which makes them highly sought after collectables. Another key difference between this and all other Universes is that these ones have transparent pickguards and rear-mounted electronics and body-mounted pickups, while all other Universes have pickguard-mounted electronics and pickups. This makes the bodies on these guitars closer to an RG than a Universe. Interestingly, 2 variants of the original UV77MC appear. The "ATD" version, which was done by a fellow named Darren, are far more sought after due to the quality and colour of the swirls. Also represented are the "MKR" versions, which are lovingly mocked but still sought after, "MKR" standing for "mustard-ketchup-relish," as that is what their swirls appeared to resemble. Ibanez made a limited run of ATD reissues in 2010, coloured by the original swirler, Darren.
Universe UV7BK - Identical spec wise to the UV7PWH except for the color (initially black and green, later black and silver). Only other difference to all other Universes is this model eschewed the dissapearing pyramid inlay in favor of a simple dot inlay. Hence, they would come to be known as Green-Dot and Silver-Dot Universes.
Universe UV777BK - The first Universe to be equipped with the All Access Neck Joint (earlier models had square neck heels). At first equipped with the Lo-Pro 7, beginning in 2003 they were equipped with the Edge Pro 7 until 2010 when they were reverted back to the Lo-Pro 7. Also feature the 'all seeing eye' inlay on the body behind the bridge and a mirror pickguard. Black paint job.
Universe UV777P - Essentially the same guitar as the Edge-Pro equipped UV777BK, I think the only differences are quality wise. If there's another difference, someone please point it out to me.
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AX7221 - A low quality mahogany bodied 7 string guitar with a Gotoh fixed bridge with a body shape reminiscent of the Gibson SG (although not exactly the same). Unlike typical Ibanez 7 string guitars, this guitar features a 24.75" scale, likely to give it a Gibson-esque feel. Came in a dark grey colour. Made in Korea.
AX7521 - A higher quality version of the AX7521, this one was was made in Japan, so construction quality was generally far better. Similar spec-wise to the AX7221, this one came in the same dark grey, but also in cherry fudge, a maroon kind of colour.
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XPT-707FX - A 7 string version of the Xiphos. Mahogany body, 5 piece neck-thru. Equipped with a Gibraltar Custom 7 bridge who's design is reminiscent of Ibanez' now-defunct Mike Mushok signature model, as well as DiMarzio D-Activator 7 pickups. Comes in Gray Chameleon finish. When originally introduced, the bevels on the edges of the body, while sharp, were not particularly pronounced. However, one/two years into its run, Ibanez altered the body shape to make the bevels on the top and bottom edges of the body far more prominent. This is also the only Ibanez production 7 string model to feature a reversed headstock (matches the body).
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ARZ307 - Ibanez' first foray into single-cutaway style 7 string guitars. Features a bound mahogany body with a carved top and a bound set-neck mahogany 25" scale neck. Also features a TOM style Ibanez Full-Tune III-7 bridge and Ibanez AH37 pickups, as well as transparent numbered volume and tone knobs and a 3 position pickup selector. The headstock design is similar to Ibanez' AM series. Lastly, comes with Ibanez' tool-less truss rod cover.
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AJ307CE - An acoustic 7 string with a spruce top, rosewood sides and mahogany neck introduced in 1997. It featured a Fishman acoustic pickup system. Built in Korea.
AJ307CE-NT - Essentially the same guitar as the regular AJ307CE, it replaced the latter in 1999. The only difference was the EQ system that the newer model was equipped with. These were made until 2002.
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AF207 - This guitar is a jazz box style 7 string hollow-body electric. The body was made from a spruce top and maple sides and back. The neck was a 3 piece mahogany/maple laminate with an ebony fretboard, one of the few Ibanezes to do so. The guitar also sported an ebony bridge, gold hardware and a single DiMarzio Blaze II pickup in the neck position. It was manufactured in Japan and had a $2,999 MSRP. It was in production from 1997 to sometime in 2003.
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GRX720 - This was Ibanez' only GIO series 7 string. There are conflicting reports regarding the material of the body, with some sources indicating it was Alder, while some others indicate it was Agathis. Both woods are within the realm of possibility. It also featured a maple neck with 22 frets, Powersound pickups, a black pickguard, and a generic 7 string strat-style floating tremolo.
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SR7VIISC - Quite a unique experiment, especially coming from a company like Ibanez, the SR7VIISC was essentially designed to combine the functionality of the guitar and bass into a single instrument. While at first glance, it looks far more like a bass than a guitar, with the standard SR body shape, 30" scale and bass tuners, a closer look will tell you that the strings, while spaced slightly farther apart than a regular guitar, are much closer together than typical bass strings. The guitar was essentially designed to be tuned like a normal seven string, B-E-A-D-G-B-E, except a full octave lower. It featured a mahogany body, a 5 piece maple/bubinga neck with dyed rosewood fretboard, abalone oval-shaped fret markers, a Gibraltar Custom Bass VII bridge, and Ibanez' Vari-Mid III equalizer, specifically tuned to the SR7. The pickups were designed jointly by Ibanez and Seymour Duncan. As it was always intended to be a limited edition instrument, it was only available in 2009.
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