-40%
Two, NEW in box, RCA Radiotron 2A3, black plate, 1940's, matching pair, 2A3
$ 197.97
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Description
Two, new in box, RCA Radiotron 2A3 tubes. Black plates, silver printed logo bases, dual D-getter. Tested on a Hickok TV-3 military tester that has been calibrated, just to make sure. Firm bases, excellent silvering. Tubes are matched for structure and dynamic gain- test at 3500, 3500 where pass/fail is 1900 micromho. The tubes have the same structure inside and out, having date codes, "809" and "748", the 9th week of 1948 and the 48th week of 1947.Many other lots of tubes for sale this week.
Shipping is free within the continental US. Elsewhere- exact postage only, no packing fee.