Matched Pair New Old Stock Philips ECC82 tubes
Tested on Hickok 539C Tube Tester
1) GM1:2800 GM2:2900
2) GM1:2900 GM2:2800
Hickok minimum: 1950/1950
Tubes manufacturing and date codes: Gf8 over
Δ6K3 and
Gf8 over
Δ6K2
We combine shipping