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2 Vintage Heintz & Kaufman 6687/E91H Logic Switching Heptode Tube - BangyBang Tubes
$35.00
|
Brand |
Heintz & Kaufman |
|
Model |
6687 |
|
Type |
Heptode |
| Use |
|
|
Similar/Equiv |
|
|
Condition |
New in Box (NOS) |
|
Tubes per listing |
2 |
66XXX