iggs
Member
- Joined
- Oct 1, 2014
- Messages
- 16
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Hey all,
Wondering if anyone has experienced a similar issue before ...
CH. 1 Tweed, Normal Mode, Gain all the way up, with or without any input signal being applied.
When sweeping the mid knob the amp self-oscillates through a certain range.
Overall volume is set low, FX loop on/off makes no difference.
I took it into service, they checked tubes, cleaned the pots and said it was fixed ... took it home, same issue.
I spoke to Mesa service twice and they said it's either tubes (which were swapped and checked) or lead dress on the pot.
I'm going to take it back to service to replace the pot and see if that fixes it. Amp is still under warranty.
Here's the video of the issue, it's pretty self-explanatory:
https://youtu.be/vdqWVDxM8QQ
Cheers, I.
Wondering if anyone has experienced a similar issue before ...
CH. 1 Tweed, Normal Mode, Gain all the way up, with or without any input signal being applied.
When sweeping the mid knob the amp self-oscillates through a certain range.
Overall volume is set low, FX loop on/off makes no difference.
I took it into service, they checked tubes, cleaned the pots and said it was fixed ... took it home, same issue.
I spoke to Mesa service twice and they said it's either tubes (which were swapped and checked) or lead dress on the pot.
I'm going to take it back to service to replace the pot and see if that fixes it. Amp is still under warranty.
Here's the video of the issue, it's pretty self-explanatory:
https://youtu.be/vdqWVDxM8QQ
Cheers, I.