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6U8 ECF82 Valvo VINTAGE Tested Strong
RARE GERMAN VALVO STOCK — ACTUAL TESTED TUBE 💎 A desirable vintage 6U8 / ECF82 from Valvo, offered in clean cosmetic condition and verified with strong results on a TV-7 tester. An excellent choice for restorers, collectors, and audiophile tube rolls seeking trusted European production. Tube Details and Codes 📌 • Tube Type: 6U8 / ECF82 • Brand: Valvo • Origin: German / European vintage production • Condition: Clean used vintage example, not NOS Testing and Performance ⚡ • Tested strong on TV-7 • Good overall physical appearance • Suitable for preamp, driver, and signal applications where stability matters Sonic Signature 🎵 • Classic Valvo presentation with refined midrange texture • Smooth top end and layered imaging • Well-suited for systems that benefit from musicality and low-fatigue listening
The Hidden Engineering Gallery
Analyze the impact of premium internal builds on your audio signal.
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| Price | $79.00 | $108.00 | $84.00 | $69.00 | $84.00 | $79.00 | $88.00 | $88.00 |
| Origin & Factory | German Valvo vintage | Valvo Germany vintage | German NOS Telefunken | Czechoslovak Tesla | German NOS stored | German-made Telefunken | German-made vintage | Telefunken, Germany |
| Stock Condition | used vintage tube | single tube | new old stock | single vintage tube | original box inventory | new old stock | vintage stock | vintage NOS |
| Measured Performance | TV-7 tested strong | TV-7 tested strong | verified NOS condition | tested good | NOS | no prior use reported | tested like NOS | tested NOS-like performance |
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