Friday, July 27, 2018

A low Plate Potential (Voltage) microphone booster


The Pleiades V6 and variations with Nuvistor 7586 electron tube, 1.2V supplying both heater and plate with a 2DV4 electron tube, CV2269 electrometer electron tube etc. Would it also operate with an 1H4?


Pleiades V6 schematic



Further reading:


Description of Pleiades V6 - euroelectron


The Pleiades Bias - euroelectron


Operating Features of the Audion - E. H. Armstrong









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