Toshiba 12AT7/ECC81 – Grey Plate / Small Ring Getter
NOS Matched Pair
Original Boxes
Grey Plate
Small Ring Getter
Original Boxes
Grey Plate
Small Ring Getter
Offering a matched pair (2 Pcs) of Toshiba 12AT7 dual triodes, Serial Nos. 2080015 and 2080025. These premium Made in Japan tubes feature Grey Plates and a Small Ring Getter construction. Toshiba’s vacuum tube production is celebrated for its precision engineering and musicality. These units are New in Original Boxes and have been laboratory characterized on the Amplitrex AT1000.
- Type: 12AT7 / ECC81 Brand: Toshiba
- Condition: New in Original Box Construction: Grey Plate / Small Ring Getter
- Origin: Made in Japan Testing: Amplitrex AT1000
Laboratory Characterization: Tested against industry standard 12AT7 parameters . Both tubes demonstrate strong and balanced performance across all triode sections.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 2080015 | T1 | 10 | 8.4 | 84.0% | 5500 | 4820 | 87.6% |
| T2 | 10 | 8.4 | 84.0% | 5500 | 4710 | 85.6% | |
| 2080025 | T1 | 10 | 8.0 | 80.0% | 5500 | 4800 | 87.3% |
| T2 | 10 | 7.8 | 78.0% | 5500 | 4770 | 86.7% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966














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