Sound Skulptor forums
Build help and troubleshooting => MP566 Tube microphone preamplifier => Topic started by: MRMNW on May 18, 2026, 08:37:45 AM
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Hi,
built this a month ago and it has worked fine,
Now when switching the chassis on it clicks on and off before eventually working after switching it off and on again.
There is also a very low and thin sound. I think it may have overheated.
Any help much appreciated.
Thanks