Two Tested 6SL7WGT Sylvania Audio Receiver Guitar Power Vacuum Tubes  

Country of origin: USA

Production era: Estimate 1950s

Model:   6SN7WGT

Manufacturer:   Sylvania

Type:   preamp 

Plate type: short gray

Filaments:  standard

Base type:  brown michanol octal 8 pin

Spacers: two

Getter frame:   square wire

Getter flash: top

Glass: clear

Stencils: excellent

Condition:  excellent  

Usage (estimate):  minimal 

Quantity:  2 

Please review the photos for more detail

Test results:

       Strong balanced test results for Gm: 2.1 / 1.9 and 1.38 / 1.35

       For Gm, the suggested minimum is: 1.0

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 ground advantage

Shipping is combined when applicable

Please contact us if you require any additional information