OT HIFI amp mod

[Edu Silva]

Don Tillman wrote:
> 
> But that's voltage, the big issue is impedance.  Guitars like to see
> an impedance of at least 1Mohm, preferably higher, while a hifi
> receiver's input is likely to be around 20kohm.  So the signal is
> getting badly swamped.


Some old hifi amps had ceramic phono inputs or even mic inputs (high Z),
more suitable to handle this kind of signal.

 
> You need a guitar preamp.


Or an effect device - chorus, fuzz...  most guitarists uses some kind of
effect, so high impedance and sensibility at the amp input aren't so
important, as the effect device take care of it.


Edu Silva -- ES2 Audio
Salvador - BA - Brazil