TWO The Fisher 7591A Tubes / Amplitrex Tested = Good But Not Great / Base Damage
USD 99.00 USD
Specifications
| Brand | Fisher |
| Type | Vacuum Tube |
| Model | 7591 7591A |
| Country Of Origin | United States |
TWO The Fisher 7591A vacuum tubes. Tested on Amplitrex AT-1000 tube tester (fixed bias mode). Tubes test at 6950 and 8070 where 6630 micromhos is pass/fail grade. This is not great matched pair, but two good singles.
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