UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Heathkit S-99 distortion after operation

qualityten · 27th Jun 2022, 9:26 pm

I have tried two other good ECC83s in V3 position. The result is the same. Now that I'm attuned to it, the distortion is audible immediately, though it does seem to get worse after a time. I also observe that there is no increase in volume when V3 is pulled, just absence of distortion.

I'll order a decent quality 500k dual linear pot to deal with the mistracking balance pot.

27th Jun 2022, 9:26 pm	#14
qualityten Octode Join Date: Feb 2009 Location: Wallasey, UK. Posts: 1,314	Re: Heathkit S-99 distortion after operation I have tried two other good ECC83s in V3 position. The result is the same. Now that I'm attuned to it, the distortion is audible immediately, though it does seem to get worse after a time. I also observe that there is no increase in volume when V3 is pulled, just absence of distortion. I'll order a decent quality 500k dual linear pot to deal with the mistracking balance pot.