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Old 3rd May 2021, 4:20 pm   #2
barrymagrec
Octode
 
Join Date: Dec 2017
Location: Morden, Surrey, UK.
Posts: 1,117
Default Re: AZ31 as rectifier for a stereo Mullard 3-3?

According to the circuit the cathode resistor for the EL84 is 560R and the cathode voltage given is 28 which suggests a 50mA current draw per channel. The EF86 consumption is negligible but two channels is 100mA which is right on the limit for the valve and if the transformer was running a pair of EL33s and a few small valves it is going to be marginal for 100 mA as well
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