Deleted
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Post by Deleted on Jul 6, 2017 12:53:55 GMT -7
Turn the reverb up any amount and it starts to feedback really bad.
Replaced V3 with a new JJ ECC81 and still no progress.
Any ideas?
Thanks!
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Post by nicholas on Jul 6, 2017 15:58:29 GMT -7
Does it do it with the footswitch unplugged and just using the knob on the amp?
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Deleted
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Post by Deleted on Jul 6, 2017 16:10:55 GMT -7
Tried it with the footswitch plugged in, and not plugged in.
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Post by zpilot on Jul 6, 2017 17:46:24 GMT -7
Replace V4, the reverb recovery tube, with a known good one. If that doesn't work pull out the tank and take a look inside to see if everything is in place.
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Post by Deleted on Jul 7, 2017 6:18:11 GMT -7
Put in a whole new fresh set to no avail. Gonna take a look at the tank this afternoon maybe something out of place Thanks for the help guys
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Post by nicholas on Jul 7, 2017 18:37:55 GMT -7
You could unmount the reverb pan and set it behind the amp on a towel. Is it still there? With the amp on, reverb level high and while listening to the hum (amp volume low) slowly rotate the actual reverb pan to it's side, then upside-down and see if the hum changes. You will get the typical reverb crash if you jostle it obviously. But if the hum changes significantly as you rotate the pan, I would say your pan is shot.
They are about 28 dollars. You ruled out tubes, assuming you used know good ones. You ruled out the footswitch and cable by unplugging it. All it could really be is the pan or the cable to it. Z amps are really well built. I doubt it's anything internal.
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