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EF806S Tesla VINTAGE Military Spec Strong Test
RARE CZECH-MADE VINTAGE TUBE — ACTUAL STOCK 💎 Highly regarded EF806S from Tesla, built to military-spec standards in Czechoslovakia. Clean cosmetic condition with strong measured performance for serious tube audio applications. Tube Details and Codes 📌 • EF806S premium small-signal pentode • Tesla manufacture, Czech origin • Military-spec version from the former Czechoslovakia • Excellent physical condition with strong readings Testing and Performance ⚡ • Strong test results on emission/matched performance • Suitable for low-noise, high-gain audio stages • Reliable option for phono, preamp, and specialty tube circuits Sonic Signature 🎵 • Open, detailed presentation with excellent separation • Smooth mids and vivid texture • Classic vintage European tone with refined authority
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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.
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| Price | $79.00 | $71.00 | $84.00 | $71.00 | $90.00 | $82.00 | $83.00 | $88.00 |
| Origin & Factory | Tesla Czech military | Made in USA vintage | Telefunken German vintage | Made in Germany | Made in France | Made Czechoslovakia | German vintage RFT | USA-origin vintage |
| Stock Condition | actual vintage stock | preowned tested tube | single vintage tube | vintage used tube | Vintage single tube | Used vintage single | single tube retail | single tube |
| Measured Performance | strong tested emission | test-checked operational | tested for emissions shorts | strong emissions tested | Strong TV-7 tested | TV-7 tested strong | TV7 emissions tested | tested on TV-7 |
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