LOT OF (2) NOS 12B4A Vacuum Tubes – GE/SYLVANIA – USA – 1960’s (Black Plates)
USD 14.95 USD
Specifications
| Type | Vacuum Tube |
| Brand | GE/Sylvania |
| Country/Region Of Manufacture | United States |
| Country Of Manufacture | United States |
| Product Type | Vacuum Tubes |
| Tube Type | 12B4A |
Test results as follows Sylvania tests 5214 umhos where 3950 - 7900 umhos is the acceptable range on the tester. The tester we use is a computerized cardmatic tester from Tubesontheweb dot com; the specific model is a Western Electric KS-15874-L2 which was made for Western Electric by Hickok.
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