Thursday, July 3, 2014

Pleiades 1.27KHz Filter


Winding 26 turns on Magnetec 073 Nanoperm nanocrystalline toroidal tape wound core gives an inductance of 25mH inside an XLR adaptor.


Assuming a source impedance of 200 Ohms this gives a cutoff frequency of 1.27KHz.


Sounded great with a Shure Unidyne microphone at next to lips distance, no proximity bass boost, no pops, diamond sparckling sound.


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