Up for sale 1matched pair
NOS NIB ECC81 Siemens
The Photos are actual Photos of tubes you are buying
made in West Germany
grey ribbed plate
halo ring getter
date code : vf4≠3j
New in original box
Very strong match pair Excellent condition
The tube tested is 100% strong
Tested Advance Digital Tube Tester Amplitrex AT1000
Sr.No.240002 T1=Ia=11.7ma Gm=6100
T2=Ia=11.2ma Gm=5800
Sr.No.240001 T1=Ia=13.8ma Gm=6800
T2=Ia=13.5ma Gm=6500
NOS Gm Specification |
5500 |
5500 |
---|---|---|
Tube 1 Test Results |
6100 (111%) |
5800 (105%) |
Tube 2 Test Results |
6800 (123%) |
6500 (118%) |
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