Yes, pin 1 on the shuguang EL34-B appears to just go to the mica plate and have no connection beyond, and there are internal jumpers from pin 8. The Mullard El34 that I am using in the amp's pin 1 IS connected.
My SE amp has terminals 1 and 8 bridged as per the schematic
It would seem appropriate to connect terminals 1 and 8 on the socket to allow for all variants of EL-34 to be used.
My SE amp has terminals 1 and 8 bridged as per the schematic
It would seem appropriate to connect terminals 1 and 8 on the socket to allow for all variants of EL-34 to be used.
bias voltage depends a lot on the screen voltage and desired cathode currents...http://frank.pocnet.net/sheets/129/e/EL34.pdf
in pentodes and tetrodes, plate current is controlled by g1 and g2 voltages...
in pentodes and tetrodes, plate current is controlled by g1 and g2 voltages...
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