12AU7 ECC82 Mullard Code B Philips VINTAGE Long Plate Tested Good
RARE VINTAGE MULLARD-DESIGNED 12AU7 FOR SERIOUS TUBE ROLLERS 💎 A highly desirable long-plate ECC82/12AU7 made in England and rebranded Philips, featuring Mullard Code B construction. A proven vintage piece with strong collectible appeal and classic British tube character. Tube Details and Codes 📌 • US tube type: 12AU7 • European tube type: ECC82 • Mullard Code B construction • Philips-branded label, Made in England • Long plate structure for premium vintage performance Testing and Performance ⚡ • Used vintage tube, not New Old Stock • Tested good on TV-7 tube tester • Confirmed emission and serviceability • Suitable for phono stages, preamps, and line-level applications Sonic Signature 🎵 • Rich midrange with smooth harmonic texture • Excellent tonal density and musical flow • Classic Mullard warmth with refined top-end
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| Price | $115.00 | $90.00 | $119.00 | $95.00 | $98.00 | $98.00 | $134.00 | $96.00 |
| Origin & Factory | Philips rebranded Mullard | Made in Holland | Philips Delta Holland | Made in Germany | Made in USA | Made in USA | Telefunken Germany | Telefunken Germany vintage |
| Stock Condition | used vintage tube | single vintage tube | New Old Stock | single vintage tube | USA-stock vintage | single vintage tube | single vintage tube | vintage stock |
| Measured Performance | tested good on TV-7 | tested good on TV-7 | Verified NOS condition | TV-7 tested strong | TV-7 tested strong | TV-7 tested strong | TV-7 tested good | testing mentioned, no results |
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