help! modifications on a vintage pre-amp Answered
I found a working pre-amp inside a turntable from the 60's. The turntable was scrapt, so I remove the pre-amp from inside.
Now I want to put it inside a vintage radio wooden box, the problem I got, 5 potentiometers on the pre-amp, but I need to modify this so it will only have 2, becuz the radio box has only 2. I will use an iPad with this pre-amp, so there really no need for extra audio adjustments like treble or bass...
So one for volume, the other for open and close.
How do I modify the circuit of this pre-amp so there will be no sound problem ?
Do I remplace the gradable resistors with a standard value resistor, if this is how to do it, what value should I use ?
I've done some tests, if I skip the potentiometer and I'm getting too much static.
I' would appreciate help on this!
thank everyone !