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Re: 9431 nanovolt preamplifier

From: Signal Recovery
email: info@signalrecovery.com
Model: 9431
Date: 03 Sep 2004

Comments

This unit is very old but we think that it used 4 x 9V batteries. In that case it was designed to work with supply voltages from 22V to 40V DC.


Last changed: April 01, 2008


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