Amperex 12AT7 / ECC81 NOS Matched Pair – Ring Getter
NOS Matched Pair
Original Box
Ring Getter
Made in Holland
Original Box
Ring Getter
Made in Holland
Available for purchase is a premium matched pair of 2 pcs Amperex 12AT7 / ECC81 vacuum tubes. These authentic Dutch-made valves feature the classic Ring Getter construction, renowned for a vibrant, detailed sonic signature and exceptional longevity. Both units are New Old Stock (NOS) and are supplied in their original factory boxes.
- Type: 12AT7 / ECC81 Brand: Amperex
- Condition: New in Original Boxes Construction: Ring Getter
- Origin: Made in Holland Testing: Amplitrex AT1000
Dutch Engineering: These Amperex units are highly sought after by audiophiles for their balanced midrange and transparency.
Amplitrex Screened: Fully laboratory tested for plate current (Ip) and transconductance (Gm) against factory targets.
Amplitrex Screened: Fully laboratory tested for plate current (Ip) and transconductance (Gm) against factory targets.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 2138001 | T1 | 10.0 | 8.6 | 86.00% | 5500 | 4740 | 86.18% |
| T2 | 10.0 | 8.2 | 82.00% | 5500 | 4610 | 83.82% | |
| 2138002 | T1 | 10.0 | 9.9 | 99.00% | 5500 | 5400 | 98.18% |
| T2 | 10.0 | 10.8 | 108.00% | 5500 | 5610 | 102.00% |
✉️ For technical inquiries, please Email us
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