HP 3582A ?
 

Arny Krueger wrote:
"Arny Krueger" wrote in message

"jack" wrote in message


One thing which you can do with these older analyzers is
measure much higher voltages than possible on a sound
card FFT,

Easy enough to address. I use a 5K RN50 potentiomenter
for the purpose. If I want an accurate voltage
measurement of audio, I use a voltmeter.

Correction - make that RV4N - example:

http://www.alliedelec.com/Search/Pro...p?SKU=753-1445

High dollar pots.
https://taweber.powweb.com/store/potsord.htm

wp105L-CP $4.75 1 Meg Linear, Conductive Plastic Element, 2 watts,
medium friction. Requires .390" hole.
Click for Pic