Toshiba 12AX7/ECC83 – Grey Long Plate Top Ring Getter Made in Japan
NOS Single Tube
New In Original Box
Grey Long Plate
Top Ring Getter
New In Original Box
Grey Long Plate
Top Ring Getter
Offering a premium New Old Stock (NOS) 1 Pc Toshiba 12AX7 dual triode, Serial No. 4659001. This authentic Japanese-made valve is a desirable Grey Long Plate version featuring a Top Ring Getter. Long-plate 12AX7s are highly regarded for their rich, detailed sound and wide soundstage. 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 Long Plate / Top Ring
- Origin: Made in Japan Testing: Amplitrex AT1000
Laboratory Characterization: Tested against factory reference parameters for 12AX7. This unit shows high gain and consistent performance across both triode sections.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 4659001 | T1 | 1.2 | 1.0 | 83% | 1600 | 1100 | 69% |
| T2 | 1.2 | 1.0 | 83% | 1600 | 1200 | 75% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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