Description

Tested Trio of 6BJ6 Sylvania NOS NIB Audio Receiver Preamplifier Vacuum Tubes Country of origin: USA Production era: 1950s Model: 6BJ6 Manufacturer: Sylvania Type: Preamp Plate type: round gray Base type: 7 pins Spacers: Two Getter frame: square wire Getter flash: top Filaments: standard Glass: clear Stencils: some fading Condition: excellent, same construction Usage: NOS (new) Cartons: original green Quantity: 3 Please review the photos for more detail Test results: Excellent balanced results for Gm: 3.6, 3.7 and 3.0 For Gm, the suggested minimum value is: 2.3 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