| Model | 5751 (12AX7 Sub) |
| Brand | RCA |
| Plate | Black Plate |
| Getter | Square Getter |
| Tube Type | Dual Triode |
| Variant | 3 Mica |
| Common Use | Preamp, Audio |
| Date Code | — |
| Manufacture Date | — |
| Country | USA |
| Condition | — |
| Box | Reproduction Box |
Tester: Hickok TV7
Results: 48/45 and 45/45
Minimum Good Value: 32/32
ALL TUBES ARE TESTED WITH RECENTLY CALIBRATED PROFESSIONAL TESTERS.
No additional notes.
| Domestic | USPS Ground Advantage — $8.00 |
| International | USPS First Class Intl — Small — $22.00 |
Free Combined Shipping for all USA Buyers. Buy As Many Tubes As You Would Like and Pay Only the First Shipping Fee.
Combined Shipping is available for all International Buyers.