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Telefunken

2x Telefunken ECC83 17mm Ribbed Plates Matching Codes - Berlin 1956 - Strong

2x Telefunken ECC83 17mm Ribbed Plates Matching Codes - Berlin 1956 - Strong

Regular price $298.00 USD
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Product Summary

The "Crown Jewelry" ECC83 tube is here! If you've been seeking the reference tube sound then look no further. Designed for high end amplifiers and preamplifiers, Telefunken ECC83 tubes provide high level gain with ultra low noise and are unquestionably the vintage tubes sought after and treasured most by audio professionals and enthusiasts. 

Sound Qualities

Like any other Telefunken tubes, these ECC83'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.

Professional Tube Testing

Both tubes tested Super Strong NOS (120%+ nominal mutual conductance) with very tight match on a reliable and regularly calibrated Mercury 2000 tube tester with the following results for mutual conductance in both uMhos and percentage of NEW value:

Tube 1: 900/1,000 (90%/100%)
Tube 2: 900/850 (90%/85%)

Good tubes start at 700 and new tubes (incl. NOS/NIB) 1,000, and the Mercury 2000 tester's rated mutual conductance (nominal) for new tubes is 1,000. Test results can 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 tube's ability to amplify sound, so the higher these numbers the stronger. No short, leakage or gas.

Appearance & Cosmetic condition

Beside the fantastic sound signature, we treasure this pair also because both tubes have very strong paint & lettering remaining and the Berlin date codes are perfectly visible on both tubes:  

hb (hb = November 1956)

And of course the diamond mark on bottom - the symbol of the best sound one can ever find on ECC83's.
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