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Hi all I built this amp which works very well but i wanted adjustable tone on ithttp://www.electroniq.net/audio?page=50so i built this bass and treble circuithttp://www.electronicecircuits.com/electronic-circuits/bass-treble-tone-control-circuit and had mic - amp - tone but the bass and treble circuitreally attenuated the volume from the amp and the trebledidnt make much difference.so i would like a simple tone (not bass and trebble)that doesnt attenuate the amps signal.can anyone suggest anything ?
w2aew yours looks quite complicated for me not sure im upto that standard yet.Would yours work with different mic element types ?im currently using a dynamic mic with 430ohm impedancebut would like to try electret elements too.I wanted to build my amp into a project boxwith in and out sockets so i could try different mics. Thanks Valueduser i wasn't aware that it would loose so much of the signal.
That 150K in the emitter of the preamp (titled Use with Crystal/Ceramic Heads", first transistor is way too big a resistor value to work..perhaps a typo, looks like should be 150ohm?