Vintage SIGNAL CORPS I - 177 Dynamic Mutual Conductance TUBE TESTER,




Item History & Price

Information:
Reference Number: Avaluer:970727Model: I-177
Brand: UnbrandedCountry/Region of Manufacture: United States
Original Description:
This came from an estate sale of a fellow who at one time had a TV repair business. I plugged this in and first got the line adjustment then I tested a variety of tubes 5Y3 rectifier,   6B6 with cap, 6SC7, type 42 and more. Tester seems to work ok but there is a problem because it shows shorts in tubes that are not shorted. Tester should be checked by a qualified repairman. If this sounds familiar I have another tester from same sale advertised and it does the same thing. I am sta...rting to see a pattern here. I am selling as is so check out the photos and if any questions please ask.



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