Description
Two Tested 6S7G Raytheon / Ken Rad Audio Receiver Guitar Preamplifier Vacuum Tubes Country of origin: USA Production era: 1950s Model: 6S7G Manufacturer: Raytheon / Ken Rad Type: Plate type: black Base type: octal 8 pins Spacers: Two Getter frame: Getter flash: Filaments: standard Glass: clear Stencils: Condition: excellent Usage: some top emissions Cartons: NA Quantity: 2 Please review the photos for more detail Test results: Excellent strong balanced results for Gm: 1.8 and 1.75 For Gm, the suggested minimum value is: 1.1 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