Hitachi 12AX7 NOS Single
NOS Single Tube
New In White Box
Long Grey Plate
Ring Getter
New In White Box
Long Grey Plate
Ring Getter
Offering a high-quality New Old Stock (NOS) 1 Pc Hitachi 12AX7 dual triode, Serial No. 4577002. This Japanese-manufactured vintage tube features Long Grey Plates and a Ring Getter construction. Hitachi’s 12AX7 production is renowned for its durability and clean, transparent audio reproduction, making it an excellent choice for both vintage restorations and modern high-fidelity applications. This unit is supplied in a New White Box and has been precision characterized on the Amplitrex AT1000.
- Type: 12AX7 / ECC83 Brand: Hitachi
- Condition: NOS in White Box Construction: Long Grey 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 specimen exhibits strong performance, with Plate Current (Ip) reaching up to factory nominal specifications.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 4577002 | T1 | 1.2 | 1.7 | 141% | 1600 | 1900 | 118% |
| T2 | 1.2 | 1.6 | 133% | 1600 | 1800 | 112% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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