Tested Pair of Type 6883 (12V 6146) GE Audio Receiver Power Vacuum Tubes 

Country of origin: USA

Production era: 1960s

Model: 6883 (12V version of the 6146)

Manufacturer:  GE

Type: power

Plate type: black

Base type: metal collar with octal 8 pins

Spacers: two with tabs and grid radiators

Getter frame: NA

Getter flash: base

Glass: black clear

Stencils: excellent

Construction: same configuration

Condition: excellent

Usage (estimate): minimal if any

Quantity: 2

Please review the photos for more detail

Test results:

Strong balanced test results for Gm: 5.2 and 5.6

For Gm, the suggested minimum value is: 2.9        

Shorts: No shorts were detected

For testing, a calibrated Triplett 3444A tester was used

Compatibility: Suitable for audio pre-amplification and vintage tube-based equipment ideal for use in guitar amplifiers, preamps and audio recording 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 reach out if you have any questions or require additional information