Sorry, I don't think I really answered your question! A multimeter can be used to check the value of the input loading resistor in most phono stage designs that I know of, although some designs are coupled through a capacitor.
Checking this with the power on is not recommended for several different reasons. In any case, if the cartridge is connected to the phono preamp, the coil resistance will essentially appear in 'parallel' with input loading resistor, leading to misleading results not to mention the effects of stray voltages.
There are safety issues and risk of damaging the circuit too. I wouldn't do it. Regards, Felix aka catman.
Checking this with the power on is not recommended for several different reasons. In any case, if the cartridge is connected to the phono preamp, the coil resistance will essentially appear in 'parallel' with input loading resistor, leading to misleading results not to mention the effects of stray voltages.
There are safety issues and risk of damaging the circuit too. I wouldn't do it. Regards, Felix aka catman.
