6SN7 6H8C Haltron VINTAGE Black Plate Matched Pair
RARE VINTAGE HALTRON 6SN7 / 6H8C TUBE STOCK 💎 Premium preowned audio tube with black plate construction and verified TV-7 testing. Ideal for high-end tube amplifiers and serious restoration projects. Tube Details and Codes 📌 • US tube type: 6SN7 • European/Russian equivalent: 6H8C • Brand: Haltron • Black plate construction for classic vintage build quality Testing and Performance ⚡ • Tested on TV-7 tube tester • Confirmed functional for audio use • Suitable for amplifier service and replacement applications Sonic Signature 🎵 • Smooth midrange with rich harmonic texture • Natural tone and classic vintage tube warmth • Excellent choice for refined, musical presentation
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.
 6SN7 6H8C Haltron VINTAGE Black Plate Matched Pair |  12AU7 ECC82 Mullard Code B Philips VINTAGE Long Plate Tested Good | -01KR5E499J3M26EQQF6S1XFK23.jpg) 6DJ8 E88CC Valvo NOS Gold |  6DJ8 E88CC Mullard VINTAGE Made In England Strong TV7 Test | -01KR5H9VF67PYAT2855DR6F9B0.jpg) 6DJ8 E88CC Tesla NOS Gold-Pin Box-Plate | -01KR5H7EF6B024KGB49FMNQNVE.jpg) 6SN7 6H8C Ken-Rad VINTAGE Black-Plate USA Tested Strong | -01KR5EXNMA28Y3AS2VX7BWHXM4.jpg) 6SN7 6H8C Sylvania USA Vintage Tested Strong |  6SN7 6H8C USA Vintage Tested TV7 Matched Triode | |
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| Price | $116.00 | $115.00 | $131.00 | $101.00 | $103.00 | $96.00 | $116.00 | $98.00 |
| Origin & Factory | Haltron vintage stock | Philips rebranded Mullard | German NOS Valvo | Made in England | Czech NOS stock | USA vintage Ken-Rad | USA Sylvania vintage | USA-made vintage |
| Stock Condition | preowned tube stock | used vintage tube | single tube | single vintage tube | factory sealed NOS | single tube | single vintage tube | preowned vintage stock |
| Measured Performance | TV-7 tested functional | tested good on TV-7 | cosmetic condition only | TV-7 strong emission | verified unused original box | TV-7 tested strong | TV-7 strong tested | TV-7 tested verified |
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