07-10-2011, 08:00 AM
If it is a crystal cartridge the output impedance is going to be very high. So if you are going to use a pot to adjust the output level of the cartridge then make it a high one like a meg or better. Hook the leads from the cartridge across the ends of the pot. This way the cartridge will always see the meg or so across it. If not it may tend to mess with the frequency response.
Terry
ps Hook the amplifier input across the ground side of the cartridge and the pot wiper.
Terry
ps Hook the amplifier input across the ground side of the cartridge and the pot wiper.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
