Tuesday, October 27, 2015

Pleiades 1:10 microphone input transformer

Turns ratio approx 35 to 350.



Pleiades 1:10 microphone input transformer for vocals with proximity compensation



Proximity compensation due to 47mH primary inductance.


Secondary inductance 5.1H.


Fully balanced and symmetric input and output coil.


Wound on Magnetec 060 nanocrystalline toroid core.


Secondary wire diameter 0.1mm.


To be used with an early beige MD421 feeding 2 Pleiades stages of battery powered EF183 electron tubes.

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