Philco ONE (1) 7B7 Pentode Loktal AT1000 Weak Gassy or Leaky Vacuum Tube Audio 1938-1955
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This listing is for One (1) 7B7 Pentode Loktal vacuum tube in the Straight-walled Glass tube shape. It has a Metal base, black plate, and top getter.
Your tube has been fully tested on a computer-regulated Amplitrex AT1000 on Fixed Bias setting with a major problem. They all still hold a vacuum and have a working heater or filament, but these tubes might show a gas current, have weak (but measurable) plate current or transconductance, or have significant heater-to-cathode leakage. These tubes should be used for experimentation or display ONLY. Tubes that test like new (tNOS) and tubes that test used good are available in a separate listing.
OPTIONS:
Want a regular white box? $1 extra
Want the test results recorded on your box, too? $3 extra
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 4 years ago |
|---|---|
| Condition | Poor (Used) Poor condition gear may not work properly but can still perform most functions.Learn more |
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