Description

Tested Trio of 6SL7GT GE for Zenith Audio Receiver Guitar Preamplifier Vacuum Tubes Country of origin: USA Production era: 1950s Model: 6SL7GT Manufacturer: GE Type: Preamp Plate type: round silver Base type: octal 8 pins Spacers: Two Getter frame: dimpled foil Getter flash: base Filaments: standard Glass: clear Stencils: Excellent Condition: Excellent, same construction Usage (estimate): Minimal Quantity: 3 Please review the photos for more detail Test results: Strong balanced results for Gm: 1.45 / 1.50, 1.35 / 1.20 and 1.25 / 1.20 For Gm, the suggested minimum value 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 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