In article ,
Mike Gilmour wrote:
The HV-3B Input Z = 6,200 ohms, o/p Z = 24.3 ohms.

Sure you don't mean 600 or 200 ohms for the input? 6K2 is high for a low
impedance mic, and not high enough for a high impedance type.

--
*Eat well, stay fit, die anyway

Dave Plowman London SW 12
RIP Acorn