benjy
Active Member
Hey SSO.
3 days ago I replaced the power tubes on my *older* 100watt Dual Rec head.
I was going for the "half power mode". After some research, I put 2 6l6 power tubes in the right locations, and 1 rectifier tube in. I plugged an 8 ohm cab into the 4 ohm out of the head.
It worked great and sounded great for 3 days, but today it made a humming sound coming from the output transformer(i think). It still powers on and sounds good, however, It hums and starts to smell after a minute or so. I also tried it in silicone diode mode, and tried with other power tubes.
Have I done something to blow the output transformer?
Do they blow after time?
With the pic provided, can you guys confirm that I'm looking at the output transformer?
Thanks for any help you can give![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
3 days ago I replaced the power tubes on my *older* 100watt Dual Rec head.
I was going for the "half power mode". After some research, I put 2 6l6 power tubes in the right locations, and 1 rectifier tube in. I plugged an 8 ohm cab into the 4 ohm out of the head.
It worked great and sounded great for 3 days, but today it made a humming sound coming from the output transformer(i think). It still powers on and sounds good, however, It hums and starts to smell after a minute or so. I also tried it in silicone diode mode, and tried with other power tubes.
Have I done something to blow the output transformer?
Do they blow after time?
With the pic provided, can you guys confirm that I'm looking at the output transformer?
![problem.jpg](http://i1150.photobucket.com/albums/o614/BenjyLoewen/problem.jpg)
Thanks for any help you can give