Telefunken 6211
COMPUTER GRADE DUAL TRIODE | PRECISION MATCHED PAIR | MADE IN ENGLAND
English Production
Grey Plate
Matched Pair
Up for sale is a world-class matched pair of Telefunken 6211 computer-grade dual triodes, New Old Stock in their original Tronix boxes. Manufactured in England, these specimens feature Grey Plates and Top Ring Getters. Structurally and electrically similar to the ECC802S but with a higher amplification factor, these are ideal for audio applications requiring extra gain and transparency.
Precision tested on our Amplitrex AT1000 digital laboratory system, the results below utilize the Percentage Method against original factory design-center specifications (Ia = 3.2 mA / Gm = 2500 µMhos). Both tubes test exceptionally strong, ensuring peak performance.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ia (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2922001 | Triode 1 | 3.2 | 4.6 | 143.7% | 2500 | 3400 | 136.0% |
| Triode 2 | 3.2 | 4.2 | 131.2% | 2500 | 3140 | 125.6% | |
| #2922002 | Triode 1 | 3.2 | 4.0 | 125.0% | 2500 | 3000 | 120.0% |
| Triode 2 | 3.2 | 4.3 | 134.3% | 2500 | 3210 | 128.4% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Custom duties and taxes are the responsibility of the buyer in their country.
Support: [email protected] Precision Verified — NOS Audio Tubes
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