Description

Tested Pair of 12BH7A GE Audio Receiver Vacuum Tubes Country of origin: USA Production era: 1970s Model: 12BH7A Manufacturer: GE Type: preamp Plate type: gray with copper rods Base type: 9 pins Spacers: 2 Getter frame: D type wire Getter flash: top Glass: clear Stencils: very good Cartons: originals in poor condition Condition: very good same configuration / construction Usage (estimate): minimal Quantity: 2 Please review the photos for more detail Test results: Strong balanced test results for Gm: 3.4 / 3.1 and 3.3 / 2.9 For Gm, the suggested minimum value is: 2.0 Shorts: No shorts were detected For testing, a calibrated Triplett 3444A was used Compatibility: Suitable for audio 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