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EL34 6CA7 Tesla NOS Brown Base OO Getter Mullard FX2 Style
RARE NEW OLD STOCK TESLA POWER TUBE SET — FACTORY FRESH, NEVER INSTALLED 💎 A highly desirable EL34/6CA7 from Tesla, made in Czechoslovakia in the 1970s. Brown base construction with OO getter and a Mullard FX2-style copy design, prized by tube collectors and high-end audio systems. Tube Details and Codes 📌 • US Tube Type: EL34 / 6CA7 • Brand: Tesla • Origin: Made in Czechoslovakia • Era: 1970s production • Features: Brown base, OO getter, Mullard FX2-style copy Testing and Performance ⚡ • New Old Stock, stored unused in original box • Excellent choice for classic tube amplifiers and restoration projects • Verified as factory stock, not previously put into service Sonic Signature 🎵 • Rich midrange with classic European tube warmth • Open, dynamic presentation with refined harmonic texture • Strong tonal color and engaging musical flow
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The Output Heritage Gallery
Explore a curated collection of legacy output tubes, where mid-century manufacturing mastery meets modern laboratory verification to ensure unwavering thermal stability and sonic precision.
Hover image to Zoom | -01KS7J8RS469ZKQ70YB3JGBFFD.jpg) EL34 6CA7 Tesla NOS Brown Base OO Getter Mullard FX2 Style |  EL34 6CA7 RFT NOS German Power Tube | -01KS7MGWKH351GGJRRJKFFZ775.jpg) EL84 6BQ5 Birmard VINTAGE Made In England | -01KS7N1ECDZJ04AKM2SBYQZJ2R.jpg) EL3N Philips NOS NIB Vintage European Power Tube | -01KS7M6TENHTZFW8YCSBESFZE1.jpg) 6V6G 6V6G Fiver Vintage Brown Base Pear Shape | -01KS7H8QDP1HRPYXSYS1VJ3MP5.jpg) 6CK5 EL41 Philips Siemens NOS Made In Germany Matched Pair | -01KS7H5DAJT4J7QJ300MZPY7G5.jpg) 6BQ5 EL84 Valvo VINTAGE Tested Good German Made | -01KS7N7EPKGPEBT6GCGA3N2BJ5.jpg) EL11 Telefunken VINTAGE Pear-Shaped Tested Strong |
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| Price | $171.00 | $171.00 | $146.00 | $148.00 | $171.00 | $141.00 | $144.00 | $108.00 |
| Origin & Factory | Tesla Czechoslovakia 1970s | German RFT NOS | Made in England | Philips European NOS | Made in Italy | Philips Siemens Germany | German-made Valvo | Telefunken Germany |
| Stock Condition | NOS factory stock | unused shelf stock | preowned vintage stock | new old stock | single vintage tube | new old stock | vintage used stock | single tube |
| Measured Performance | Verified unused, uninstalled | verified NOS condition | tested strong on TV7 | untested unused stock | tested good | tested and checked | tested good emissions | strong tested |
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