RFT ECC82 — Matched Quad
GREY PLATE | MADE IN GERMANY | TOP RING GETTER
Grey Plate
Germany Production
Amplitrex Verified
Available for purchase is a rare, laboratory-matched quad (4 pcs) of vintage RFT ECC82 (12AU7) vacuum tubes. Produced in Germany, these tubes are celebrated for their linear response and exceptional longevity, featuring the desirable Grey Plate and Small Top Ring Getter.
Precision matched on the Amplitrex AT1000 digital laboratory tester, these tubes exhibit exceptionally high emission and transconductance. The results below utilize the Percentage Method against original factory specifications (Ip = 10.5 mA / Gm = 2200 µMhos).
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2069016 | T1 | 10.5 | 13.0 | 123.8% | 2200 | 2400 | 109.1% |
| T2 | 10.5 | 13.2 | 125.7% | 2200 | 2400 | 109.1% | |
| #2069040 | T1 | 10.5 | 13.2 | 125.7% | 2200 | 2400 | 109.1% |
| T2 | 10.5 | 13.0 | 123.8% | 2200 | 2400 | 109.1% | |
| #2069033 | T1 | 10.5 | 13.2 | 125.7% | 2200 | 2400 | 109.1% |
| T2 | 10.5 | 13.0 | 123.8% | 2200 | 2490 | 113.2% | |
| #2069036 | T1 | 10.5 | 13.6 | 129.5% | 2200 | 2490 | 113.2% |
| T2 | 10.5 | 13.4 | 127.6% | 2200 | 2400 | 109.1% |
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