Valvo ECC83 — Premium Single
MADE IN HOLLAND | RING GETTER | GREY PLATE
Original Box
Ring Getter
Amplitrex AT1000
Available for purchase is a premium vintage Valvo ECC83 (12AX7) preamp tube, manufactured in Holland. This unit features Grey Plate construction and a Ring Getter, representing the high-standard Dutch production often associated with the Heerlen factory. It is supplied in its Original Box, making it a desirable piece for collectors and audio enthusiasts alike.
Precision tested on the Amplitrex AT1000 digital laboratory tester, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 1.2 mA / Gm = 1600 µMhos). This tube shows reliable performance across both triode sections.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result ip mAdc | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2991001 | Triode 1 | 1.2 | 1.0 | 83.3% | 1600 | 1500 | 93.7% |
| Triode 2 | 1.2 | 0.9 | 75.0% | 1600 | 1400 | 87.5% |
⚠️ Note: 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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