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  1. C

    ENGL (Powerball) Tubing/Mods Thread

    Nm found the bad one. All I can say is wow! That TAD 12at7 in V6 made a world of difference. So glad I found this thread and I appreciate you guys that took the time to find these great setups.
  2. C

    ENGL (Powerball) Tubing/Mods Thread

    Ok so today I replaced my powerball preamps with the jj,TAD,jj,jj setup and as soon as I took the amp off of standby all I heard was a buzzing and the guitar sound coming thru at low volume. Does that mean that one of my new tubes are defective? Just to cover this base I bought my last jj which...
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    ENGL (Powerball) Tubing/Mods Thread

    Hello right now i have a total jj setup in my powerball power & preamp (the guy i bought it from had set it up). They were pretty aged so i have a jj/TAD/jj/jj preamp setup im going to install. If i replace the power tubes with mesas will i have to rebias the amp? I have no experience doing so...
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