NATIONAL UNION 6SN7GT – SINGLE TUBE (1 PC)
GRADE: PLATINUM SERIES | VINTAGE US DUAL TRIODE
National Union 6SN7GT
Black Coated Glass
Black Base
Perfect Internal Triode Balance
New in White Box
Amplitrex AT1000 Tested
Up for sale is a single (1 Pc) highly sought-after vintage NOS National Union 6SN7GT dual triode vacuum tube, complete in a white box. Manufactured in the USA, this prized valve features iconic dark black-coated glass shielding and a durable black base. Renowned in the audiophile world for its exceptionally lush midrange, deep dimensional soundstage, and smooth top-end resolution, making it one of the premier 6SN7 variants for preamplifiers and driver stages.
This tube has been thoroughly tested on an Amplitrex AT1000 automated valve tester at nominal factory specs. Anode current (Ip) and Mutual Conductance (uMhos) measurements alongside percentage performance ratings relative to standard specs are detailed in the table below.
| Serial No. | Triode Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | ||
| SR.NO. 1720005 | T1 | 9.0 mA | 9.6 mA | 107% | 2600 uMhos | 2800 uMhos | 108% |
| T2 | 9.0 mA | 9.6 mA | 107% | 2600 uMhos | 2900 uMhos | 112% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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