Used, test good pair of RCA matched construction 45's.

Charcoal black plates with dual mica snubbers on each.

One labeled RCA, other for Cunningham, late 1930's.

Test 1530 (28.8 ma) & 1740 (30.4ma) where 1100 (50%) is good in Triplett 3444/Westmore 501 laboratory tube analyzer, restored and calibrated by Paul Hart.

All tubes are guaranteed good or may be returned.  

Shipping includes insurance.

We cannot be responsible for what tubes test in another tester.

Please see our other items for more vintage tubes & audio.

We combine orders for shipping.

We do not change values for customs.  

Thank You.