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2, Tung Sol - USA 12BH7A, Match Pair, Black Oval Plate, Rect Getter, 12BH7A




Item History & Price

Information:
Reference Number: Avaluer:29731775Modified Item: No
Type: NOS TubeCustom Bundle: No
MPN: 12BH7ACountry of Manufacture: United States
Brand: Tung-SolNon-Domestic Product: No
Original Description:
Two, new in box, Tung Sol 12BH7A tubes. The are obviously, vintage, US made Tung Sol tubes and not the modern day, Russian made, Tung Sol reproduction/re-issue tubes. White printed logos, black, oval plates, rectangular getter. Tested on a Hickok TV-3 military tester that has been calibrated, just to make sure. Straight pins, excellent, excellent silvering. One tube missing part of the date code, just by sliding it out of the box (the logos are fragile), Tubes are matched for dynamic g...ain and structure- test at 4500-4500 and 4450-4400 where pass/fail is 1400 micromho. They have the same structure inside and out, having date codes of  "322421" and "322PX-1", the 21st week of 1954 and the 40th week of 1955.Many other lots of tubes for sale this week.Shipping is free within the continental US. Elsewhere- exact postage only, no packing feee



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