Description

Two Tested 12AX7 ECC83 McIntosh Audio Receiver Guitar Power Vacuum Tubes Country of origin: China Production era: Estimate 1960s Model: 12AX7 ECC83 Manufacturer: unknown Type: preamp Plate type: gray smooth Filaments: standard Base type: 9 pin Spacers: three Getter frame: halo wire Getter flash: top Stencils: good Condition: excellent, same construction Usage (estimate): minimal Quantity: 2 Please review the photos for more detail Test results: Strong balanced test results for Gm: 1.2 / 1.2 and 1.2 / 1.15 For Gm, the suggested minimum 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 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 Ground Advantage Shipping is combined when applicable If you require any additional information, please feel free to contact us