MC Step-Up OTL Stage (grounded-grid) for MM RIAA Head Amps

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The amount of capacitance needed at the I/P is HUGE, in order to obtain good bass performance. Both physical size and monetary outlay are prohibitively expensive, if PTFE dielectric is to be employed.

If you want to do LOMC phono, without a step up trafo (SUT), investigate Allen Wright's hybrid cascode.
 
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