SYLVANIA 6SN7GT – 1 PC
GRADE: PLATINUM SERIES | LABORATORY VERIFIED NOS AUDIO SPEC
Genuine Sylvania (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 a single vintage Sylvania 6SN7GT dual triode preamplifier and driver valve, brand new in a white box. Made in the USA, this classic audiophile tube features a pristine Black Plate , high-rigidity construction, and legendary Sylvania audio dynamics.
As shown in this tube has been bench-tested on our laboratory-grade Amplitrex AT1000 digital tube testing system. The measured plate current (Ip) and transconductance (Gm) 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 (Gm) | ||||
|---|---|---|---|---|---|---|---|
| Factory Spec | Result | % Ip | Factory Spec | Result | % Gm | ||
| SR: 2439002 | Triode 1 | 9.0 mA | 11.4 mA | 127% | 2600 uMhos | 2800 uMhos | 108% |
| Triode 2 | 9.0 mA | 11.4 mA | 127% | 2600 uMhos | 2800 uMhos | 108% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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