Telefunken ECC81/12AT7 NOS Matched Pair
NOS
Matched Pair
Single Rib Plate
Small Ring Getter
Matched Pair
Single Rib Plate
Small Ring Getter
Available for purchase is a premium matched pair (2 pcs) of Telefunken ECC81 vacuum tubes. These authentic German-made valves feature the iconic Diamond Bottom mark, Single Rib Plate construction, and a Small Ring Getter. These New Old Stock (NOS) units are renowned for their exceptional sonic clarity and low noise floor.
- Type: ECC81 / 12AT7 Brand: Telefunken
- Condition: New in White Boxes Construction: Single Rib / Diamond Bottom
- Origin: Made in Germany Testing: Amplitrex AT1000
German Precision: Features the legendary diamond mark embossed on the glass base and clear “MADE IN GERMANY” factory etchings.
Laboratory Matched: Each tube has been laboratory screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey specs.
Laboratory Matched: Each tube has been laboratory screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey specs.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 1982019 | T1 | 10.0 | 9.2 | 92.00% | 5500 | 4840 | 88.00% |
| T2 | 10.0 | 9.2 | 92.00% | 5500 | 5000 | 90.91% | |
| 1982001 | T1 | 10.0 | 9.4 | 94.00% | 5500 | 5000 | 90.91% |
| T2 | 10.0 | 8.8 | 88.00% | 5500 | 5100 | 92.73% |
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