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Telefunken
2x Telefunken ECC83 12AX7 - 17mm Smooth Plates Matching Codes ◇ Base- Berlin 1962
2x Telefunken ECC83 12AX7 - 17mm Smooth Plates Matching Codes ◇ Base- Berlin 1962
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$378.00 USD
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$378.00 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
This set was tested and certified by RoeTest V11 tester with the following result:
Tube 1:
Measured transconductance (GM): 1.63/1.49 mA/V - 102%/93% (100% = 1.60 mA/V)
Measured plate current (IA): 1.03/0.895 mA - 86%/75% (100% = 1.20 mA)
Tube 2:
Measured transconductance (GM): 1.35/1.29 mA/V - 84%/81% (100% = 1.60 mA/V)
Measured plate current (IA): 0.752/0.752 mA - 63%/63% (100% = 1.20 mA)
NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.
Appearance & Cosmetic condition
Beside the fantastic sound signature, we treasure this pair also because both tubes have 100% paint & lettering remaining and the identical Berlin date codes are perfectly visible on both tubes:
Tube 1:B 3212001 (B = Berlin, 2 = 1962)
Tube 2: B 3212001 (B = Berlin, 2 = 1962)
And of course the diamond mark on bottom - the symbol of the best sound one can ever find on ECC83's.
Packaging
This pair of tubes will be packaged in NEW reproduction Telefunken tube boxes.
