RFT ECC82 / 12AU7 — Vintage Made in East Germany Pair
Grade: NOS Series
Laboratory Verified
Top Ring Getter
Laboratory Verified
Top Ring Getter
Top Ring Getter
Gray Plates
Original RFT Boxes
Amplitrex AT1000 Digital Tested
Gray Plates
Original RFT Boxes
Amplitrex AT1000 Digital Tested
Presenting a laboratory-matched pair of RFT ECC82 / 12AU7 tubes, manufactured in East Germany. These feature the classic Gray Plate construction and Top Ring Getters, known for their precise German engineering and clean, balanced tonal characteristics.
Both tubes are verified on the Amplitrex AT1000 digital laboratory tester. Using our Percentage Method, we compare these vintage results against the original 100% factory design-center specifications to ensure peak performance.
| Serial No. | Triode Section | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #2068011 | Section 1 (T1) | 10.5 | 13.4 | 127% | 2200 | 2700 | 122% |
| Section 2 (T2) | 10.5 | 12.6 | 120% | 2200 | 2690 | 122% | |
| #2068004 | Section 1 (T1) | 10.5 | 14.0 | 133% | 2200 | 2900 | 131% |
| Section 2 (T2) | 10.5 | 11.4 | 108% | 2200 | 2600 | 118% |
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NOS Audio Tubes — Vintage Precision
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