Description
Perfect match for gm and ma. Matching date codes. 4600 47.5 ma & 4600 47.5 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.