I have a pair of original Tungsol 5881 tubes that test as follows:
Tube 1 - 95%
Tube 2 - 92%
If you purchase the above tubes I will include a free pair that have a slight hum but otherwise test fine. The hum is not offensive but perhaps I'm too picky. The freebies test as folows:
Tube 3 - 91%
Tube 4 - 91%
All 4 tubes for $45.
Tube 1 - 95%
Tube 2 - 92%
If you purchase the above tubes I will include a free pair that have a slight hum but otherwise test fine. The hum is not offensive but perhaps I'm too picky. The freebies test as folows:
Tube 3 - 91%
Tube 4 - 91%
All 4 tubes for $45.
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