Precsion model 640 tube tester - Videokarma.org TV - Video

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Precsion model 640 tube tester

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09-25-2015, 03:44 PM

DavGoodlin DavGoodlin is offline

Motorola Minion

Join Date: Aug 2011

Location: near Strasburg PA

Posts: 3,504

Precsion model 640 tube tester

I just got this with the deal when I went to pick up a 1935 RCA console 9K1.

Assuming its merely an emissions tester, it may be helpful to keep around for the oldest 4-6 pin tubes.
Precision 640.jpg

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