NEC 6SJ7GT – SINGLE AUDIO PENTODE TUBE (1 PC)
Made in Japan
Metal Base Shell
Round Grey Plate / Shield
Top Ring Getter
Sharp-Cutoff Audio Pentode 6SJ7GT
New in White Box
Amplitrex AT1000 Tested
Up for sale is a single (1 pc) vintage NOS NEC 6SJ7GT sharp-cutoff audio pentode vacuum tube, supplied in an individual white box[cite: 17]. Manufactured in Japan by Nippon Electric Company (NEC), this rare audio valve features a heavy-duty metal base collar, round grey internal plate shielding, top ring getter, and GT tubular glass envelope[cite: 17]. Highly regarded for its rugged industrial build quality, low noise floor, superb microphonic resistance, and clean signal fidelity. An excellent replacement or upgrade for vintage audio preamplifiers, guitar amplifiers, and industrial test equipment utilizing 6SJ7GT / 6SJ7 valves.
This tube has been fully tested on a precision Amplitrex AT1000 tube tester[cite: 17]. 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:3598001A | Single Pentode | 3.0 mA | 2.2 mA | 73% | 1800 | 1500 | 83% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
















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