Tested Pair of 6SN7GT Sylvania Audio Receiver Guitar Power Vacuum Tubes 

Country of origin: USA

Production era: Estimate 1950s

Model:   6SN7GT

Manufacturer:   Sylvania  

Type:   preamp 

Plate type: black 2 stitch T type

Filaments:  standard

Base type:   octal 8 pin

Spacers: two

Getter frame:  solid square foil

Getter flash: top

Glass: clear

Stencils: moderate wear

Condition:  very good

Usage (estimate):  minimal 

Quantity:  2 

Please review the photos for more detail

Test results:

       Good to excellent balanced test results for Gm: 1.85 / 1.84 and 2.45 / 246

       For Gm, the suggested minimum is: 1.7

Shorts: None detected

For testing, a calibrated Triplett 3444A tester was used

Compatibility: Suitable for vintage tube-based equipment, ideal for use in audio amplifiers, power amps, and general tube equipment

The tubes will be carefully packed to ensure safe shipping

Estimated delivery time within the USA is 3 to 7 business days

Standard shipping service is US Postal 1st class

Shipping is combined when applicable

Please feel free to contact us if you require any additional information