a question I have, is what's the math behind matching a cartridge to a preamp?
is it the formula here in the Barney Oliver pre-amplifier schematic the same that would eb generally used in other circuits?
it's the R1* formula, bottom right...
the resistor is just behind the cart in the diagram...
http://www.hpmemory.org/pict/news/ba...sch_preamp.jpg