K4001 is an amplifier with input sensitivity 40 mV/ 150 kOhm.
K1803 is a preamplifier with an output impedance 1 kOhm (I use it for a microphone).
When I connect the both kits it doesn’t function.
Can someone help me?
thanks
wout rindertsma
Maybe you could supply more details such as a hook-up diagram etc…