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Offered is „Mullard ECC83 12AX7 M8137 CV4004 NOS tube from NL (Matched Pair von BTB aus August 2026) Air Tight Leben Jadis Cayin Phono“ by Various / Other as second-hand device from the category „Tubes for preamplifiers“ on audio-markt.de - the online market place for high-end. The advert with the number 6194474199 ends on 24.11.2026 at 17:33 o'clock.
This is a buyer’s market if you’re after a proper Mullard pair, and €333 lands above the median €123 and even above the 75th percentile €216, so it reads ambitious rather than especially sharp. It’s not wildly off for a genuine NOS matched pair, but it isn’t a bargain at this level.
What makes it interesting is the reputation: Mullard ECC83/12AX7 family tubes are prized for rich midrange, low noise when well matched, and strong results in phono stages and line gear. A recent, matched pair with documented testing and clean storage history is the right sort of listing for a serious tube-rolling buyer, but at €333 the value hinges on whether the match/test data, provenance, and actual brand markings are solid enough to justify paying top-tier money.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Captain Stanley R. Mullard founded the Mullard Radio Valve Company in 1920 in the United Kingdom, initially to produce high-power transmitting valves for the British Admiralty. Drawing from his engineering background and passion for music, he expanded into audio components, creating vacuum tubes renowned for their reliability and superior sound quality. Acquired by Philips in the 1920s, the brand grew into a dominant force in valves and semiconductors, with production spanning facilities in Mitcham and Southampton.
Mullard focused primarily on vacuum tubes—or "valves"—that powered high-fidelity amplifiers and professional recording equipment, alongside early transistors and audio drivers. Historical products like the 1960s Mullard 510 valve amplifier exemplified their expertise in hi-fi amplification, while their hand-assembled valves became staples in studio and home systems. Though not a modern maker of speakers, turntables, DACs, or headphones, their components influenced entire audio chains.
Today, Mullard holds a revered position as a vintage high-end icon among audiophiles and collectors, celebrated for the "Mullard sound"—warm, detailed, and musical. Reissues and NOS tubes command premium prices in the boutique market, cementing its legacy over a century of craftsmanship amid technological shifts.
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