PHILIPS EF86 / 6267 – SINGLE PENTODE TUBE (1 PC)
Made in Holland
Mesh Plate Shielding
Top Ring Getter
Low-Noise Audio Pentode EF86 / 6267
New in White Box
Amplitrex AT1000 Tested
Up for sale is a single (1 pc) authentic vintage NOS Philips EF86 / 6267 low-noise audio pentode vacuum tube, supplied in an individual white box. Made in Holland by Philips, this prized Dutch valve features classic mesh plate internal shielding construction and a top ring getter. Renowned worldwide by tone connoisseurs and audiophiles for its rich midrange harmonics, exceptionally low microphonics, extended warmth, and quiet background noise floor. An ideal single replacement or upgrade for Vox AC15/AC30 V1 channels, high-end tube preamplifiers, and studio condenser microphone preamps.
This tube has been fully tested on a precision Amplitrex AT1000 tube tester. Measured Plate Current (Ip in mA) and Mutual Conductance (uMhos) alongside percentage performance ratings relative to nominal factory reference specs (Reference: 3.0 mA / 1,800 uMhos) are detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | ||
| SR.NO. 1524001 | Single Pentode | 3.0 mA | 3.6 mA | 120% | 1800 | 1700 | 94% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.











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