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12AU7 5814A Sylvania VINTAGE 3 Mica O-Getter Matched Pair
RARE VINTAGE USA-MADE SYLVANIA PAIR — ACTUAL PHOTO 💎 Classic 5814A / 12AU7 dual triodes with premium 3-mica construction and O-getter design. Carefully selected preowned stock from the USA, ideal for refined tube rolling and high-end audio systems. Tube Details and Codes 📌 • US Tube Type: 12AU7 • European Equivalent: ECC82 • Brand: Sylvania • Construction: 3 Mica, O-Getter • Origin: Made in USA • Matching Status: Matched Pair Testing and Performance ⚡ • Strong emissions confirmed on TV-7 tester • Tested for usable strength and stable operation • Good candidate for quiet, dependable performance in audio circuits • Supplied exactly as shown in the photos Sonic Signature 🎵 • Known for balanced tonality with smooth midrange flow • Excellent detail retrieval with a natural, musical presentation • Well suited for preamps, drivers, and premium hi-fi applications
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Hover image to Zoom | -01KQH514BYJTRT2TFCKG754WGE.jpeg) 12AU7 5814A Sylvania VINTAGE 3 Mica O-Getter Matched Pair | -01KQH9QD32YBVMDZCTG4T0N24Z.jpeg) 6GW8 ECL86 Valvo VINTAGE Made In Germany Tested Strong |  5670 396A 2C51 Raytheon VINTAGE Black Plate Matched Pair USA | -01KQHAQ5GST5B9QNCC6MQK9PAX.jpeg) 6C5 6J5 French Vintage Black Plate Test Strong Matched Pair | -01KQH7HP8KD1JVX4N7XD4EHND7.jpeg) 6U8 ECF82 Valvo VINTAGE Tested Strong | -01KQH8ZF277HB1Z8WSDJ5V345C.jpeg) 6BL8 E80CF Valvo VINTAGE Thinline German Made |  EF804 Telefunken NOS Silver Plate | -01KQH9D8ZS0F5HTPVJKET3E2EJ.jpeg) 6BL8 ECF80 Lorenz NOS German Stock Adapter For 7199 amplifiers |
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| Price | $160.00 | $108.00 | $113.00 | $150.00 | $79.00 | $103.00 | $84.00 | $84.00 |
| Origin & Factory | USA-made preowned | Valvo Germany vintage | Made in USA Raytheon | French vintage stock | German Valvo vintage | German-made Valvo | German NOS Telefunken | German NOS stored |
| Stock Condition | matched pair | single tube | matched pair | preowned vintage stock | used vintage tube | single vintage tube | new old stock | original box inventory |
| Measured Performance | TV-7 tested strong | TV-7 tested strong | TV-7 strong tested | tested strong verified | TV-7 tested strong | tested NOS-like performance | verified NOS condition | NOS |
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