2 NIB NOS Tektronix selected RCA 12AU7 tubes TV7 & AT1000 tested excellent
USD 75.00 USD
Specifications
| Brand | RCA |
| Type | Preamp Tubes |
| Model | 12AU7A |
| MPN | 12AU7A |
| Country Of Origin | United States |
AT1000 test results 2 NIB NOS Tektronix selected RCA 12AU7 tubes. Minimum good 12AU7 per section-Gm: 1.40 mA/V, Ip: 6 mA. Nominal/new 12AU7 per section-Gm: 2.20 mA/V, Ip: 10 mA. Excellent testing and great sounding tubes.
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