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Old 12th March 2021, 04:50 PM
Damien Damien is offline
Junior Member
Join Date: Mar 2021
Location: Howden, East Yorkshire,UK
Posts: 24
Default Re: Phono 3 noise issues


Just a quick update to let you know I've fixed the problem of the cones flapping about by fitting a 220V 3W Zener in the position left empty at C4.

New capacitors didn't solve the noise problem but 5 minutes after testing it the postman arrived with a pair of ECC803 S valves & it's now super quiet .

I can now hear mains hum if I wind the amp up which was being masked by the rest of the noise previously.

I will see if I can cure that & let you know but it's tiny compared the the original problem.

In the meantime I'm off to listen to some vinyl


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