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| | |-+  Was working, now no sound?
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Author Topic: Was working, now no sound?  (Read 931 times)
bach
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« on: August 13, 2016, 07:02:17 PM »

My Dizzy 30 was working perfectly, but then I tried to add the Dana Hall VVR. It was installed between the standby switch and pin 8 of the rectifier tube. I was working when it was late and wound up wiring the VVR's B+ in and B+ out backwards. The amp was working while the VVR was wired backwards, but the VVR didn't change the amps volume.

I found my error the next day. Wired it correctly and got NO SOUND what so ever out of the amp. I then pulled the VVR completely out and wired the amp back to original (Standby switch to pin 8 of the rectifier tube), but still I have no sound. The tubes are lighting up. What else should I be checking for?
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bach
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« Reply #1 on: August 17, 2016, 12:44:36 AM »

I checked my filter caps and they are good. I'm reading weird voltages on the power tubes, but I'm suspecting the output transformer to most likely be the problem.
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