Matched 5687 IBM Tung-Sol black plate/ D getter Tubes, TV-7D Test – will combine
USD 34.95 USD
Specifications
| Brand | Tung-Sol |
| Type | Vacuum Tube |
| Model | 5687 |
| MPN | 5687 |
| Country Of Origin | United States |
'Matched' refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. 'Matched' I consider to be within 10%. Tung-Sol made for IBM. 'Closely Matched' I consider to be within about 5%.
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