Balanced sides. Gas (Grid Current)Test: Passed. Mutual Conductance (GM)Test: 81 & 79 (77 = NOS AVERAGE & 50 = Good MINIMUM). Gain: (49.4 & 45.5) MU and side balance. Test results will vary between testers as it is not an exact science and all testers have their limitations.
Item Tag: ECC81
Valvo ECC81 Vacuum Tube Pair – ECC81 Model/Type
Valvo ECC81 Vacuum Tube Pair – ECC81 Model/Type
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Valvo ECC81 Vacuum Tube Pair – ECC81 Model/Type
Valvo ECC81 Vacuum Tube Pair – ECC81 Model/Type
Related Images:
Valvo ECC81 Vacuum Tube Pair – ECC81 Model/Type
Valvo ECC81 Vacuum Tube Pair – ECC81 Model/Type
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FAB MULLARD ECC81/12AT7 10M MASTER SERIES TUBE
Here we have perfectly balanced NOS Mullard 10M Master Series ECC81/12AT7 twin triode, NOS rated for 10,000 hours. The Mullard manufacturer code reads 1022-852, Master and Series in cursive on either side of the 10M and BRITAIN is printed on the backside.
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1PC Silver plated NEW Audio Valve Vacuum Slovakia JJ ECC81 Replace 12AT7 6201
1PC Silver plated NEW Audio Valve Vacuum Slovakia JJ ECC81 Replace 12AT7 6201 Price is for one PC, buy 2pcs, we will send matched pair Thank you!.
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1PC Gold plated NEW Audio Valve Vacuum Slovakia JJ ECC81 Replace 12AT7 6201
1PC Gold plated NEW Audio Valve Vacuum Slovakia JJ ECC81 Replace 12AT7 6201 Price is for one PC, buy 2pcs, we will send matched pair Thank you!.