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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
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.
-01KR5G5F3R1FRXH93PYFRBZBQN.jpg) 12AT7 ECC81 Telefunken VINTAGE Diamond Bottom Tested Good |  12AT7 ECC81 VINTAGE Black Plate USA Test Good Matched | -01KR5HF29QY3Q9XTTHZE2F806Y.jpg) 6DJ8 E88CC Amperex VINTAGE TV-7 Tested Holland | -01KR5GRVAAWEZJJNE37JH1TG9Q.jpg) 12AT7 ECC81 Siemens VINTAGE German Made Tested Good | -01KR5GMC7FHAY667FC00JGN4YB.jpg) 6SN7 6H8C JAN CANADA VINTAGE Tested TV7 | -01KR5GBV05A82Z5AWDYAZV81P9.jpg) 6SN7 6H8C RCA VINTAGE Black Plate USA Matched Pair | -01KR5H7EF6B024KGB49FMNQNVE.jpg) 6SN7 6H8C Ken-Rad VINTAGE Black-Plate USA Tested Strong |  6SN7 6H8C USA Vintage Tested TV7 Matched Triode | |
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| Price | $83.00 | $71.00 | $90.00 | $81.00 | $86.00 | $86.00 | $96.00 | $98.00 |
| Origin & Factory | Vintage German Telefunken | vintage USA | made in holland | German made Siemens | Made in Canada | Made in USA | USA vintage Ken-Rad | USA-made vintage |
| Stock Condition | Preowned single tube | single tube | single vintage pair | single vintage tube | Vintage preowned stock | matched pair | single tube | preowned vintage stock |
| Measured Performance | Tested good | tested good, emission verified | tv-7 tested good | TV-7 tested good | TV-7 tested good | TV-7 tested strong | TV-7 tested strong | TV-7 tested verified |
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