Description

Strong, very close plate current matching pair, both with 1944 codes on glass. One labeled and sold by Raytheon. 4100 50.9 ma & 4700 51 ma where 2400 gm is good at 250 volts in a Triplett 3444/Westmore 501 laboratory tube analyzer restored and upgraded by Paul Hart. Please see our other items for more vintage tubes & audio. Tubes guaranteed to test good or may be returned. We cannot be responsible for what tubes test in another tester or in your gear at *** plate voltage. We combine orders for shipping. We don't change values for customs. Thank You.