RCA 12AX7A NOS Single – Japanese Production
NOS Single Tube
New In White Box
Black Plate
Ring Getter
New In White Box
Black Plate
Ring Getter
Offering a premium New Old Stock (NOS) 1 Pc RCA 12AX7A dual triode, Serial No. 4616001. This unit features high-quality Black Plates and a Top Ring Getter construction. Produced in Japan, these tubes are known for their exceptional longevity and a smooth, balanced frequency response that rivals Western-made counterparts. This specimen is supplied in a New White Box and has been precision characterized on the Amplitrex AT1000.
- Type: 12AX7A / ECC83 Brand: RCA
- Condition: NOS in White Box Construction: Black Plate / Ring Getter
- Origin: Made in Japan Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7 (Ip=1.2, Gm=1600). This tube shows outstanding health, with Triode 1 hitting exactly 100% of the nominal Plate Current (Ip) spec.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Triode | Parameter Ip (mA) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 4616001 | T1 | 1.2 | 1.2 | 100% | 1600 | 1900 | 119% |
| T2 | 1.2 | 1.3 | 108% | 1600 | 1700 | 106% |
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