Description

Tested Trio of 6BL8 ECF80 Raytheon NOS NIB Audio Receiver Radio Power Vacuum Tubes Country of origin: Japan Production era: Estimate 1960s Model: 6BL8 ECF80 Manufacturer: Raytheon Type: preamp Plates: gray with separators Spacers: two Base type: 9 pin Getter frame: halo wire Getter flash: top Glass: clear Stencils: excellent Condition: excellent with variations Usage (estimate): NOS (new) Cartons: originals in very good condition Quantity: 3 Please review the photos for more detail Test results: Strong balanced test results for Gm: 5.6 / 5.5, 4.5 / 4.5 and 6.2 / 5.9 For Gm, the suggested minimums are: 3.6 / 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 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