PINNACLE EF86 / 6267 – SINGLE PENTODE TUBE (1 PC)
Made in W. Germany
Grey Round Plate
Big Ring Getter
Low-Noise Audio Pentode EF86 / 6267
New in Original Box
Amplitrex AT1000 Tested
Up for sale is a single (1 pc) vintage NOS Pinnacle EF86 / 6267 low-noise audio pentode vacuum tube, complete in its original vintage green Pinnacle factory box. Manufactured in West Germany and branded with crisp vertical Pinnacle graphics, this high-grade valve features a grey round internal plate shielding structure and a big top ring getter. Highly sought after by audiophiles and musicians for its ultra-low noise floor, superior microphonic suppression, and rich, detailed midrange clarity. An ideal upgrade or replacement tube for Vox AC15/AC30 V1 channels, high-end tube preamplifiers, and vintage 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:5497001 | Single Pentode | 3.0 mA | 2.1 mA | 70% | 1800 | 2100 | 117% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.











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