Toshiba 12AX7/ECC83 – Grey Short Plate Top Ring Getter Made in Japan
NOS Single Tube
New In White Box
Grey Short Plate
Top Ring Getter
New In White Box
Grey Short Plate
Top Ring Getter
Offering a premium New Old Stock (NOS) 1 Pc Toshiba 12AX7 dual triode, Serial No. 4571002. This authentic Japanese-made valve features Grey Short Plates and a Top Ring Getter. Japanese Toshiba 12AX7s from this era are highly regarded for their low noise floor, high build quality, and detailed sonic signature. This unit is supplied in a New White Box and has been precision characterized on the Amplitrex AT1000.
- Type: 12AX7 / ECC83 Brand: Toshiba
- Condition: New in White Box Construction: Grey Short Plate / Top Ring
- Origin: Made in Japan Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7. This unit demonstrate strong, balanced performance across both triode sections, with results significantly exceeding nominal factory 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 |
|---|---|---|---|---|---|---|---|
| 4571002 | T1 | 1.2 | 1.4 | 117% | 1600 | 1600 | 100% |
| T2 | 1.2 | 1.6 | 133% | 1600 | 1800 | 113% |
✉️ For technical inquiries, please Email us at [email protected]
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