Description

Tested Pair of 12AX7 ECC83 GE Audio Receiver Guitar Preamplifier Vacuum Tubes Country of origin: USA Production era: 1960s Model: 12AX7A ECC83 Manufacturer: GE Type: preamp Plate type: 14mm gray pinched boxed Base type: 9 pins Spacers: two Getter frame: halo wire Getter flash: top Filaments: standard Glass: Clear Stencils: minimal wear Condition: excellent, same construction Usage (estimate): minimal Quantity: 2 Please review the photos for more detail Test results: Strong balanced test results for Gm: 1.45 / 1.33 and 1.55 / 1.65 For Gm, the suggested minimum value is: 1.0 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