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12AT7 ECC81 Telefunken VINTAGE Diamond Bottom Tested Good
RARE GERMAN TELEFUNKEN STOCK — TESTED AND READY 💎 Classic Telefunken ECC81 / 12AT7 with the highly regarded diamond-bottom construction. A premium vintage German small-signal tube, sold as one piece. Tube Details and Codes 📌 • US Type: 12AT7 • EU Type: ECC81 • Brand: Telefunken • Origin: Made in Germany • Construction: Diamond-bottom base Testing and Performance ⚡ • Tested good for strong, usable operation • Vintage preowned tube, not New Old Stock • Clean choice for phono stages, line stages, and driver circuits Sonic Signature 🎵 • Open top-end with refined detail • Fast transient response and excellent clarity • Classic Telefunken transparency with elegant tonal balance
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The Vintage Preamp Collection
Capture the atmospheric depth of the golden era with laboratory-verified signal artifacts that translate historical manufacturing mastery into a radiant and immersive listening experience.
Hover image to Zoom | -01KR5G5F3R1FRXH93PYFRBZBQN.jpg) 12AT7 ECC81 Telefunken VINTAGE Diamond Bottom Tested Good | -01KSH7ADPQ25X27TCXJ5Z0ZNBW.jpg) 6DJ8 E88CC Amperex VINTAGE Tested Good Made In Holland | -01KSH8J9SHMZN6PA071R9QNAWZ.jpg) EF86 Telefunken VINTAGE Diamond-Bottom Low Noise Matched |  12AT7 ECC81 GE VINTAGE USA Tested Tube | -01KSH9DBBRR1CQXWF90CGGZ51D.jpg) 12AT7 ECC81 RSD VINTAGE Made In Germany Strong Tested | -01KSH8G0AZP91G8K7WS56B6K2X.jpg) 12AU7 ECC82 Mazda VINTAGE Made In France Strong TV-7 Tested | -01KSH8BYAY78ZCW8G1J6S6JXH0.jpg) 12AX7 ECC83 ADZAM VINTAGE Tested Strong Made In Germany | -01KSH89MDX5PD0GXXTFYNCXD6B.jpg) EF806S Tesla VINTAGE Military Spec Strong Test |
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| Price | $83.00 | $90.00 | $84.00 | $71.00 | $71.00 | $90.00 | $95.00 | $79.00 |
| Origin & Factory | Vintage German Telefunken | Made in Holland | Telefunken German vintage | Made in USA vintage | Made in Germany | Made in France | Made in Germany | Tesla Czech military |
| Stock Condition | Preowned single tube | single vintage tube | single vintage tube | preowned tested tube | vintage used tube | Vintage single tube | single vintage tube | actual vintage stock |
| Measured Performance | Tested good | tested good on TV-7 | tested for emissions shorts | test-checked operational | strong emissions tested | Strong TV-7 tested | TV-7 tested strong | strong tested emission |
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