Description

Tested Pair of 6CS7 RCA / Tung Sol NOS NIB Audio Receiver Guitar Amplifier Power Vacuum Tubes Country of origin: USA Production era: 1960s (estimate) Model: 6CS7 Manufacturer: RCA & Tung Sol Type: preamp Plate type: 17mm gray and black with grid radiators Base type: 9 pins Spacers: two Getter frame: halo wire Getter flash: top Filaments: standard Glass: Clear Stencils: excellent Condition: excellent, construction variations Usage: NOS (new) Quantity: 2 Please review the photos for more detail Test results: Strong balanced results for Gm: 2.55 / 5.6 and 3.0 / 4.1 For Gm, the suggested minimum value is: 1.4 / 2.9 Shorts: None detected For testing, a calibrated Triplett 3444A tester was used Compatibility: Suitable for vintage tube-based equipment, ideal for use in radio 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