TELEFUNKEN EF800 (<>) Germany

TELEFUNKEN EF800 (<>) Germany
Improved version of EF80 with extended lifespan for use in telecom and broadcast. Made in Germany by Telefunken Ulm factory with diamond on the bottom.  Currently this is the tube used in Miktek CV4 MK9 Multipattern Tube Microphone. Some tubes in stock are labeled and boxed for Siemens.

Quantity in Stock : Out of Stock!
Price : US$ 49.00/each


  1. Hello,
    On your advice I discovered this tube I didn't know existed. It sounds wonder in my tuner.
    All the best


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