12AT7 ECC81 Sylvania VINTAGE Black Plate USA
RARE VINTAGE USA SMALL-SIGNAL TUBE — HIGH-TEST AND READY FOR SERIOUS AUDIO 💎 Premium Sylvania ECC81 / 12AT7 made in the USA, featuring black plates and strong test results. A respected preamp tube choice for high-end tube gear where clarity and texture matter. Tube Details and Codes 📌 • US tube type: 12AT7 • European code: ECC81 • Brand: Sylvania • Origin: Made in USA • Construction: Black plate • Quantity: Price is for 1 tube Testing and Performance ⚡ • Test strong with good remaining emission • Suitable for preamp, driver, and line-stage applications • Carefully selected for dependable vintage use Sonic Signature 🎵 • Clean, articulate presentation with excellent detail retrieval • Balanced midrange tone with refined top-end sparkle • Excellent choice for resolving systems that benefit from speed and precision
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.
 12AT7 ECC81 Sylvania VINTAGE Black Plate USA |  12AT7 ECC81 VINTAGE Black Plate USA Test Good Matched | -01KR5G5F3R1FRXH93PYFRBZBQN.jpg) 12AT7 ECC81 Telefunken VINTAGE Diamond Bottom Tested Good | -01KR5EARNDEVHBRG1XFCT372CE.jpg) EF86 6762 Z729 Tesla RFT Tungsram VINTAGE Tested Strong | -01KR5H7EF6B024KGB49FMNQNVE.jpg) 6SN7 6H8C Ken-Rad VINTAGE Black-Plate USA Tested Strong | -01KR5EXNMA28Y3AS2VX7BWHXM4.jpg) 6SN7 6H8C Sylvania USA Vintage Tested Strong | -01KR5FM0WK4AMJDRHZNG1124H4.jpg) 12AX7 ECC83 Philips Delta Vintage Tested Good Holland | -01KR5GPANZ1AQQ2ZHTVJYHHR3A.jpg) 6SN7 6H8C Hytron VINTAGE Black Plate USA Test Strong | |
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| Price | $73.00 | $71.00 | $83.00 | $64.00 | $96.00 | $116.00 | $108.00 | $98.00 |
| Origin & Factory | USA Sylvania vintage | vintage USA | Vintage German Telefunken | German Czechoslovak Hungarian | USA vintage Ken-Rad | USA Sylvania vintage | Philips Delta Holland | USA-made vintage |
| Stock Condition | single tube | single tube | Preowned single tube | preowned vintage stock | single tube | single vintage tube | single tube | single tube |
| Measured Performance | high test strong emission | tested good, emission verified | Tested good | tested strong working | TV-7 tested strong | TV-7 strong tested | TV-7 tested good | TV-7 tested strong |
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