Description

Tested Pair of 6SK7GT JAN CNU VT-117A National Union Audio Receiver Guitar Preamplifier Vacuum Tubes Country of origin: USA Production era: 1960s Model: JAN CNU 6SK7GT VT-117A Manufacturer: National Union Type: Preamp Plate type: black round ribbed Base type: octal 8 pin with metal base collar Spacers: one Getter frame: rectangle wire Getter flash: top Filaments: standard Glass: Clear Stencils: very good minimal wear / tarnish Condition: same construction Cartons: industrial off white, excellent Usage: minimal Quantity: 2 Please review the photos for more detail Test results: Strong balanced results for Gm: 1.55 and 1.53 For Gm, the suggested minimum value is: 1.2 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