Three Tested 6DJ8 ECC88 Amperex Audio Receiver Preamp Vacuum Tubes 

Country of origin:  Netherlands

Production era: Estimate 1960s

Model: 6DJ8  ECC88

Manufacturer:  Amperex

Type:   preamplifier

Plate type:  solid gray  

Filaments:  standard

Base type:  9 pin

Spacers: two

Getter frame:  dimpled disk

Getter flash:  top

Glass:  clear with seams

Stencils:  extensive wear

Etch codes: GAC delta 9B1, GAE delta 0J3  

Condition:  excellent with minor variations

Usage (estimate):  minimal 

Quantity:  3

Please review the photos for more detail

Test results:

       Excellent balanced test results for Gm:  82 / 75,  82 / 74  and  98 / 95

       For Gm, the suggested minimum is:  62

Shorts: None detected

For testing, a calibrated Military TV-7 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