Description

Tested Pair of 12AX7 ECC83 RCA Rebrand Long Plate Audio Pre-Amp Vacuum Tubes Country of origin: USA Production era: 1950s-60s Model: 12AX7 ECC83 Manufacturer: RCA Type: preamp Plate type: 17mm gray ladder Filaments: standard Base type: 9 pins Spacers: two Getter frame: angled square wire Getter flash: top Glass: clear Stencils: excellent Condition: excellent, same construction Usage (estimate): Minimal Quantity: 2 Please review the photos for more detail Test results: Excellent strong balanced test results for Gm: 1.30 / 1.35 and 1.55 / 1.40 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 1st class Shipping is combined when applicable Please feel free to contact us if you require any additional information