Re: Grundig TK27 - Low audio output
Voltage measurements (DVM) for comparison on my TK 27L were :-
Main HT +261V (Playback), +268V (Record) with 100Hz (10mS) ripple 4.5V p-p
HT on other side of filter resistor R17 (2.7K) = +236V, 40mV ripple.
Main HT with EL95 removed +282V
Main HT with no valves fitted +294V
David
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