Description

One Tested 5Z3 JAN CNU National Union Audio Receiver Rectifier Vacuum Tube Country of origin: USA Production estimate: 1940s Model: 5Z3 Manufacturer: National Union Type: rectifier Plate type: ribbed black Base type: UX 4 pin Spacers: one with tabs Filaments: hanging V Getter frame: rectangle wire with foil strip Getter flash: base Glass: Clear Stencils: very good Condition: excellent Original carton: NA Usage estimate: minimal Quantity: 1 Please review the photos for more detail Test results: Strong balanced NOS results for Emissions: 44 / 42 For Emissions, the suggested minimum value: 28 Shorts: None detected For testing, a calibrated Triplett 3444A tester was used Compatibility: Suitable for vintage tube-based equipment ideal for use in tube amplifier power supplies and vintage audio / test equipment The tube 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