PHILIPS MINIWATT E180F / 6688
Laboratory VerifiedGold Pins
Top Ring Getter
Made in Holland
Amplitrex AT1000 Tested
Offering a high-performance Philips Miniwatt E180F (6688) wideband pentode, manufactured in Holland. This premium unit is preserved in its original box and features the rugged Triple Mica construction, Gold Pins, and a Ring Getter. Known for extreme reliability and low microphonics, it is an ideal choice for critical audio driver stages and professional instrumentation.
Meticulously characterization has been performed on the Amplitrex AT1000 Advance Digital Tube Tester. Results are calculated using the percentage method against factory design standards (Ip = 13.0 mA / Gm = 16500 µMhos).
| Serial No. | Parameter Ip | Result Ip (mA) | % Ip | Parameter Gm | Result Gm (uMhos) | % Gm |
|---|---|---|---|---|---|---|
| 3177001 | 13.0 | 14.8 | 113% | 16500 | 15100 | 91% |
About NOS Audio Tubes
We specialize in thoroughly tested and screened quality vacuum tubes. Established in the 1970s, our inventory of approximately 300,000 valves is verified using laboratory-grade testers such as the Amplitrex AT1000, Hickok 752a, and AVO Type 160.
Notice: Custom duties and taxes are the responsibility of the buyer. For extended area addresses, please confirm your order before checkout to verify potential surcharges.













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