Toshiba 12AX7/ECC83 – Grey Short Plate Top Ring Getter Made in Japan
NOS Single Tube
New In Original Box
Grey Short Plate
Top Ring Getter
New In Original Box
Grey Short Plate
Top Ring Getter
Offering a premium New Old Stock (NOS) 1 Pc Toshiba 12AX7 dual triode, Serial No. 4541001. This authentic Japanese-made valve features Grey Short Plates and a Top Ring Getter. Short-plate 12AX7s are often preferred for their low microphonics and high stability in high-gain applications. This unit is supplied in its Original Toshiba Box and has been precision characterized on the Amplitrex AT1000.
- Type: 12AX7 / ECC83 Brand: Toshiba
- Condition: New in Original Box Construction: Grey Short Plate / Top Ring Getter
- Origin: Made in Japan Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7. This unit shows strong, balanced performance across both triode sections with plate current readings exceeding 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 |
|---|---|---|---|---|---|---|---|
| 4541001 | T1 | 1.2 | 1.4 | 117% | 1600 | 1400 | 88% |
| T2 | 1.2 | 1.4 | 117% | 1600 | 1400 | 88% |
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