MAZDA ECC81
GRADE: GOLD SERIES | LABORATORY VERIFIED | NOS/VINTAGE STOCK
Top Ring Getter
Grey Plate Construction
Made in Czechoslovakia
Amplitrex AT1000 Digital Testing
Grey Plate Construction
Made in Czechoslovakia
Amplitrex AT1000 Digital Testing
Offering a high-quality New Old Stock NOS 1 Pc MAZDA ECC81 vacuum tubes, featuring the classic Grey Plate structure and Top Ring Getter. These tubes are highly regarded for their low noise and detailed sonic signature, making them an ideal choice for high-end audio preamplification.
The tube have been thoroughly analyzed on the Amplitrex AT1000 digital tester. Following our Percentage Method, the results below show how each triode section performs relative to the 100% factory design-center specifications for this tube type (Ip = 10.0mA / Gm = 5500 µMhos).
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip mAdc | Parameter Gm uMhos | Result Gm uMhos | % Gm uMhos |
|---|---|---|---|---|---|---|---|
| 4890001 | T1 | 10.0 | 11.5 | 115% | 5500 | 6240 | 113% |
| T2 | 10.0 | 11.4 | 114% | 5500 | 5980 | 108% |
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