Type: EC 8020
Manufacturer and factory: Telefunken
Year of production: 1960's
Rating : 1
Original package : YES
The magical EC8020 is one of the most admired valves ever. Absolutely top rarity, there are few used, almost always single, on ebay at very high prices.
Here you can see a NEW pair (as you can see from the images the same input pins are perfect without scratch) in original box
The only insertion in the base was for the test.
The emission is close for both 40mA and the MU is around 50
Price on request
They comes with Amplitrex test
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