Raytheon 12AX7 / ECC83 – Vintage U.S. Production Short Grey Plate Ring Getter
NOS Single Tube
Original Box
Short Grey Plate
Ring Getter
Original Box
Short Grey Plate
Ring Getter
Offering a premium New Old Stock (NOS) 1 Pc Raytheon 12AX7 / ECC83 high-mu dual triode, Serial No. 1256001. This vintage American-made tube features Short Grey Plates and a Ring Getter construction. Highly regarded for its low noise and detailed response, this Raytheon specimen is an ideal upgrade for phono stages and preamp circuits. This unit is supplied in its Original Raytheon Box and has been precision characterized on the Amplitrex AT1000.
- Type: 12AX7 / ECC83 Brand: Raytheon
- Condition: New in Original Box Construction: Short Grey Plate / Ring Getter
- Origin: Made in USA Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7. This specimen demonstrates strong performance, particularly on Triode 1 with a Plate Current .
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1256001 | T1 | 1.2 | 1.5 | 125% | 1600 | 1500 | 94% |
| T2 | 1.2 | 0.9 | 75% | 1600 | 1100 | 69% |
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