Description

Match Tested Trio of 6K6G Mixed Brands Audio Receiver Guitar Power Vacuum Tubes Country of origin: USA Production era: Estimate 1950s Model: 6K6G Manufacturer: RCA (most likely) Type: Power Plate type: black Filaments: standard Base type: octal 8 pin Spacers: two with alignment tabs Getter frame: dimpled foil Getter flash: base Glass: black / gray smoked Stencils: fair Condition: excellent same construction Usage (estimate): minimal Quantity: 3 Please review the photos for more detail Test results: Strong balanced match test results for Gm/bias: Gm ~1.35 with bias = 7.5 mA Gm ~1.30 with bias = 7.5 mA Gm ~1.25 with bias = 8.0 mA For Gm, the suggested minimum value is: .75 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 1st class Shipping is combined when applicable Please feel free to contact us if you require any additional information