RCA 6SN7GTB – SINGLE TUBE 1PC
GRADE: GOLD SERIES | LABORATORY VERIFIED NOS MILITARY SPEC
Genuine RCA (Made in USA)
Black Plate
Black Base
New in White Box
Amplitrex AT1000 Tested
Black Plate
Black Base
New in White Box
Amplitrex AT1000 Tested
Up for sale is 1 piece vintage RCA 6SN7GTB dual triode tube, brand new in white box. Made in the USA, this highly sought-after audio tube features clear glass construction and a solid black base, renowned for delivering exceptionally warm, detailed, and rich sound in preamps and Hi-Fi amplifier circuits.
As shown in , the tube has been thoroughly tested on our laboratory-grade Amplitrex AT1000 tester. The measured plate current (Ip) and transconductance (uMhos) results are calculated against standard factory specifications (9.0 mA / 2600 uMhos) and detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Transconductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Factory Spec | Result | % Ip | Factory Spec | Result | % Gm | ||
| SR: 1850010 | Triode 1 | 9.0 mA | 8.4 mA | 93% | 2600 uMhos | 2190 uMhos | 84% |
| Triode 2 | 9.0 mA | 8.9 mA | 99% | 2600 uMhos | 2200 uMhos | 85% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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