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Old 2nd Nov 2021, 1:37 pm   #2
DMcMahon
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Join Date: Apr 2019
Location: Worthing, West Sussex, UK.
Posts: 4,985
Default Re: Grundig TK27 - Low audio output

I am somewhat surprised that HT voltage is not higher than 265V with the EL95 output pentode removed, this is the main load. So at this stage I personally would not strongly suspect it.

Have you scope measured the HT ripple in case it is excessive, should not be with the new filter capacitors.

Later when I get back home I will do comparison readings on my TK 27.

David
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