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Telefunken
Telefunken E88CC 6922 Preamp Tubes Matched Pair - Ulm 1966 - Diamond Bottom -NOS
Telefunken E88CC 6922 Preamp Tubes Matched Pair - Ulm 1966 - Diamond Bottom -NOS
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Perfect matched & balanced pair of vintage Telefunken E88CC/6922 Audio Tubes - Ulm 1966 - Strong NOS
Tubes Summary
Behold the illumination at night, write down how your music sounds the moment these tubes start glowing and keep your notes forever. The finest in the fleet, Telefunken E88CC is unequivocally the supreme commander of the entire E88CC/6922 tubes family. This gorgeous pair is from the Ulm, Germany production - the most sought after Telefunken sound.
Sound Qualities
Like any other Telefunken tubes, these E88CC's are very pleasant to listen to: liquid, euphonic, with a slightly warmer midrange than many other German tubes, which makes your sound experience smooth and non-fatiguing, and all that happens on a unbelievably realistic holographic sound stage, where everything feels bigger, wider and taller. Sound texture can be felt through infinite levels of details, laying on top of each other, both in depth and in width. So your quest for superb sound clarity can end right here. Lastly, it never gets old to say that no other brand is even close to these when it comes to low noise - Telefunken tubes are "extremely" quiet just as legend has it. At this level of the game, the only possible upgrade path from these tubes is the 45° angled support version of Telefunken E88CC, of which we do have a wonderful pair from the same year listed here: https://www.ebay.com/itm/266252618250
Professional Sound Evaluation
The pair worked wonderfully and sounded terrific in our professional studio setup for monitoring.
- Input: Cambridge Audio CXC V2 dedicated CD transport + Schiit Audio Bifrost 2 Multibit DAC
- Amplification: Liquid Platinum Tube Amplifier by Alex Cavalli
- Output: Focal Clear MG Pro open-back headphones
Our full tube sound review was written 100% based on the actual listening experience while this pair of tubes were running in the system described above.
Professional Tube Testing
Both tubes tested Strong NOS on a Mercury 2000 tube tester with the following result (mutual conductance in uMhos):
Tube 1: 13,900/13,500
Tube 2: 14,000/13,400
Good tubes start at 7000 and new tubes (incl. NOS/NIB) 12,500 - 13,000, and the Mercury 2000's rated mutual conductance (nominal) for new tubes is 12,500. Test result can also be seen in the pictures. In case you wonder what all these numbers mean to your sound experience, it's actually quite straightforward: mutual conductance directly translates to a tube's ability to amplify sound so the higher the numbers the stronger.
Appearance & cosmetic condition
Beside the world-class sound characteristics, we treasure this pair also because the excellent condition of inscriptions on the tubes. Ulm factory date codes are 100% visible on both tubes:
U2116203B (U = Ulm, Germany, 6 = 1966)
U2206304V (U = Ulm, Germany, 6 = 1966)
And of course the diamond mark on bottom - the symbol of the best sound one can ever find on E88CC's.
Shipping Policy
- US Shipping: Flat-rate($5.50) USPS Ground Advantage for ALL states.
- International Shipping: Flat-rate ($35.00) DHL Express Worldwide for ALL countries.
- International Shipping: Flat-rate ($35.00) DHL Express Worldwide for ALL countries.
- Orders ship within 24 - 48 hours
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