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Hewlett-Packard HP 331A Distortion Analyzer Analog Test Equipment:
$125.00
Nice HP 331A audio distortion analyzer and AC voltmeter from 5 Hz to 600 KHz. Stock other than I replaced the bespoke AC line in connector with an IEC. Cable included. On turn on the needle sweeps and then settles down to zero in both voltage and distortion mode. This is the only testing performed.Cosmetically good condition. Shipped well packed to the lower 48 States for $25.
