RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
At US$295, this is clearly above the typical used market for this tube: it sits well over the US$212 median and above the US$337 75th percentile only if condition or provenance is unusually strong, so on price alone it reads as ambitious rather than an easy buy.
That said, Mullard 12AU7s are well-liked for their smooth, refined tone, strong midrange, and generally easy musicality, which is why collectors and tube rollers keep paying up for good examples. If this is a genuinely clean, tested piece with solid readings and desirable provenance, the premium can make sense; if not, a buyer should expect to negotiate, because the value here depends heavily on verification and tube health.
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.
See all Mullard listings on RADAR.
