Telefunken ECC82 / 12AU7
LONG RIB PLATE | TOP RING GETTER | MADE IN GERMANY | NOS NIB
Germany
Long Rib Plate
Amplitrex Tested
Up for sale is a genuine Telefunken ECC82 (12AU7) vacuum tube, Made in Germany. This New Old Stock (NOS) unit features Long Ribbed Plates and a Top Ring Getter, and comes in its original factory box. Telefunken tubes from this era are highly regarded for their low microphonics and exceptional tonal clarity.
Precision tested on our Amplitrex AT1000 digital laboratory system, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 10.5 mA / Gm = 2200 µMhos). Ideal for high-fidelity audio preamplifiers and vintage restoration.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2523001 | Triode 1 | 10.5 | 7.6 | 72.4% | 2200 | 1400 | 63.6% |
| Triode 2 | 10.5 | 10.0 | 95.2% | 2200 | 1800 | 81.8% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Note: Extended area surcharges may apply for remote addresses; please confirm before checkout.
Quality Verified Since 1970
Specializing in thoroughly screened vacuum tubes with an inventory of approx. 300,000 units.
Testing equipment includes Amplitrex AT1000, Hickok 752a, and AVO Type 160.
Custom duties and taxes are the responsibility of the buyer in their country.
Support: [email protected] Precision Verified — NOS Audio Tubes
Reviews
There are no reviews yet