[Test-Equipment] Using an HP 331A Distortion Meter

n4buq n4buq at knology.net
Sun Sep 7 14:28:04 EDT 2014


Yeah, I'd like to keep the unit as close to original as possible so will 
either refurb/replace the existing dual concentric pots.

Thanks,
Barry - N4BUQ

On 9/6/2014 6:50 AM, Dale H. Cook wrote:
> At 06:57 AM 9/6/2014, Eli Shvarzman wrote:
>
>> Use single hlipot potentiometer, there is hlipots  having the same diameter as the original potentiometer
> He could install a single multiturn Helipot in place of the original dual control, but some of us prefer to restore our classic laboratory grade instrumentation. It all depends upon his desires and needs.
>
> Dale H. Cook, GR / HP Collector, Roanoke/Lynchburg, VA
> http://plymouthcolony.net/starcity/radios/index.html
>
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