In Reply to: Transformer ratio?? posted by Tubenstein on March 10, 2017 at 05:59:37:
It depends on the load impedance (an earphone I suppose).
If both triodes have a nominal bias close to @15 mA/@ -2V and the earphone nominal impedance is 32 Ohm than I would guess something close to 1:4/1:5 voltage ratio.
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Topic - Transformer ratio?? - Tubenstein 05:59:37 03/10/17 (4)