One Tested 5U4G RCA Rebrand for Teletone Audio Receiver Rectifier Vacuum Tube   

Country of origin: USA

Production era: early 1960s

Model: 5U4G

Manufacturer: RCA

Type:   Rectifier

Plate type: black ribbed

Base type: octal 8 pins

Spacers: One with tabs

Filaments: standard

Getter frame: rectangle wire

Getter flash: side

Glass: Clear

Stencils: very good

Condition: excellent

Original carton: NA

Usage: minimal emissions

Quantity: 1

Please review the photos for more detail

Test results:

Strong balanced test results for Emissions: 37.5 / 37.0

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