Description

Tested Pair of 6SN7GTA Westinghouse Audio Receiver Guitar Preamplifier Vacuum Tubes Country of origin: USA Production era: 1960s Model: 6SN7GTB Manufacturer: Westinghouse Type: Preamp Plate type: black 3 stitch T type Base type: octal 8 pins Spacers: two Getter frame: square foil Getter flash: top Filaments: standard Glass: clear Stencils: Excellent Condition: Excellent Usage (estimate): Minimal Quantity: 2 Please review the photos for more detail Test results: Strong balanced NOS results for Gm: 2.30 / 2.27 and 1.95 / 2.15 For Gm, the suggested minimum value 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 guitar amplifiers, preamps and general audio 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