VALVO E180F / 6688
Laboratory VerifiedGold Pins
New in White Box
Amplitrex AT1000 Tested
Up for sale is a professional-grade Valvo E180F (6688) high-frequency pentode. This premium valve features Gold Pins for superior conductivity and a Top Square Getter. Known for its exceptionally high transconductance and low noise, the E180F is a superb choice for sensitive wideband amplification and high-end audio driver stages.
This unit has been fully characterized on the Amplitrex AT1000 Advance Digital Tube Tester. Performance results are presented using the percentage method against factory design specifications (Ip = 13.0 mA / Gm = 16500 µMhos).
| Serial No. | Parameter Ip | Result Ip (mA) | % Ip | Parameter Gm | Result Gm (uMhos) | % Gm |
|---|---|---|---|---|---|---|
| 3179002 | 13.0 | 10.6 | 81% | 16500 | 14300 | 87% |
About NOS Audio Tubes
We specialize in thoroughly screened and laboratory-tested vacuum tubes, serving the global audiophile and broadcast community since the 1970s. Our inventory is verified using industry-leading digital and analog testers to guarantee performance and reliability.
Note: International custom duties and taxes are the responsibility of the buyer.
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