Description

Match Tested Pair of 6F6G National Union (one rebrand) Audio Receiver Guitar Amplifier Vacuum Tubes Country of origin: USA Production era: 1960s Model: 6F6G Manufacturer: National Union Type: power Plate type: black Base type: octal base (8-pin) Spacers: two Getter frame: wire Getter flash: base Glass: black Stencils: excellent Construction: same configuration Condition: excellent vintage condition Usage: nominal Quantity: 2 Please review the photos for more detail Test results: Strong balanced matched test results for Gm/bias Gm ~2.4 with bias = 30 mA Gm ~2.2 with bias = 27 mA For Gm, the suggested minimum value is: 1.7 Shorts: No shorts were detected For testing, a calibrated Triplett 3444A tester was used Compatibility: Suitable for audio pre-amplification and vintage tube-based equipment ideal for use in guitar amplifiers, preamps, and audio recording 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 reach out if you have any questions or require additional information