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6SN7 6H8C Ken-Rad VINTAGE Black-Plate USA Tested Strong
RARE VINTAGE AMERICAN POWER TUBE — ACTUAL STOCK 💎 A highly regarded Ken-Rad 6SN7 / 6H8C from the classic U.S. production era, featuring the desirable black-plate construction and strong test results. A compelling choice for collectors and tube rolling enthusiasts seeking authentic vintage tone with proven performance. Tube Details and Codes 📌 • US Tube Type: 6SN7 • European Code: 6H8C • Brand: Ken-Rad • Origin: Made in USA • Construction: Black-Plate Testing and Performance ⚡ • Tested strong on TV-7 tube tester • Verified working condition • Suitable for high-end headphone amps and preamps • Selected for dependable vintage use Sonic Signature 🎵 • Rich midrange body with organic harmonic texture • Smooth, spacious presentation with classic tube warmth • Excellent choice for listeners seeking a bold, authoritative vintage sound
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.
-01KR5H7EF6B024KGB49FMNQNVE.jpg) 6SN7 6H8C Ken-Rad VINTAGE Black-Plate USA Tested Strong | -01KR5GPANZ1AQQ2ZHTVJYHHR3A.jpg) 6SN7 6H8C Hytron VINTAGE Black Plate USA Test Strong | -01KR5FM0WK4AMJDRHZNG1124H4.jpg) 12AX7 ECC83 Philips Delta Vintage Tested Good Holland | -01KR5GBV05A82Z5AWDYAZV81P9.jpg) 6SN7 6H8C RCA VINTAGE Black Plate USA Matched Pair | -01KR5F8FVPH6S3G6663X7GVTT8.jpg) 6SN7 6H8C RCA VINTAGE USA Smoky Glass Matched Pair | -01KR5EVAYR0FRH1RMK6QNBMK6G.jpg) 12AX7 ECC83 Telefunken VINTAGE Smooth-Plate Tested TV7 | -01KR5G5F3R1FRXH93PYFRBZBQN.jpg) 12AT7 ECC81 Telefunken VINTAGE Diamond Bottom Tested Good | -01KR5E499J3M26EQQF6S1XFK23.jpg) 6DJ8 E88CC Valvo NOS Gold | |
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| Price | $96.00 | $98.00 | $108.00 | $86.00 | $96.00 | $174.00 | $83.00 | $131.00 |
| Origin & Factory | USA vintage Ken-Rad | USA-made vintage | Philips Delta Holland | Made in USA | Made in USA | Telefunken Germany | Vintage German Telefunken | German NOS Valvo |
| Stock Condition | single tube | single tube | single tube | matched pair | vintage matched pair | single tube | Preowned single tube | single tube |
| Measured Performance | TV-7 tested strong | TV-7 tested strong | TV-7 tested good | TV-7 tested strong | TV-7 tested strong | TV-7 tested strong | Tested good | cosmetic condition only |
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