Telefunken E88CC/6922- Matched Pair Tested - Gold Pin- Cryogenic treatment - Platinum Grade (upscale Audio) ~50 hours PRICED at 30% off.These matched tubes with all beneficial options, have retail prices for over $240/each ($480 for a pair). Two matched Telefunken E88cc/6992 tubes made in Germany, 1960's, purchased new from Upscale Audio, To make sure and being objective, I tested these tubes (with excellent results as almost new) on "AMPLITRIX AT1000" tube tester. Here are pictures and the results: Tube 1- Emis 97% & GM 89% & Gaz 0%
Tube 2- Emis 95% & GM 89% & Gaz 0%
- Platinum grade - A tube being among Top 10% quality of all factory mades, in term of Lowest noise and Microphony with the tightest triode balance available in the market. - Gold Pins - Cryogenic treatment (which improves significantly the performance).
It was used on my Einstein the Tube MkII preamp. It is much better than Mullard/Amperex tubes. I have another pair of these tubes and decided to sell these to finance new projects. Buyer pays shipping and paypal fee. Thanks ...
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