JAN ECC35 6SL7GT Sylvania
made in U.S.A
Black base , 2 stepped hole
New in white Generic box
Tested on Amplitrex AT1000 Advance Digital Tube Tester
Sr 153010 T1 Ip mAdc=2.8 uMhos=1700
T2 Ip mAdc=2.8 uMhos=1700
Sr 153029 T1 Ip mAdc=2.8 uMhos=1700
T2 Ip mAdc=2.7 uMhos=1700












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