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Mullard ECC88 6DJ8 Valves/Tubes MULLARD ECC88 6922 MATCHED PAIR OF NEW OLD STOCK NEW IN BOX TESTS 100% STRONG BRITISH VINTAGE VALVES TUBES MADE IN THE MULLARD BLACKBURN FACTORY IN THE 1960'S IN GREAT BRITAIN THE SAME MULLARD BLACKBURN FACTORY BATCH CODES ARE ETCHED INTO THE GLASS OF BOTH OF THE VALVES = G A 2 B 7 H 3 ROUND UPPER HALO GETTERS VINTAGE MULLARD ECC88 BOXES ( with sellotape on them in places ) CLEAN METAL PINS BOTH THESE TUBES TEST AS A NEW OLD STOCK 100% STRONG TESTING TUBES ON MY B&K 747 CALIBRATED TUBE TESTER TESTED EXCELLENT FOR GAS AND SHORTS FREE TRACKED SHIPPING TO ANYWHERE
Is A$395 the right price for these Mullard ECC88s, or are you overpaying for generic 6DJ8s? Against our database of 15 recent comparable used listings, the median asking price sits at A$79, with the 25th percentile at A$43 and 75th at A$145—making this ambitious, verging on steep unless they're premium matched pairs or NOS. Mullards command a premium for their creamy mids and low noise in phono stages or preamps, but without condition specifics, it's hard to justify triple the typical range; haggle hard or walk unless provenance screams authenticity.
Before biting, test for microphonics—gently tap each tube in a circuit, as Mullards from the '60s-'70s often develop this ruining quiet passages. Verify date codes match (e.g., OC series for British gems) and insist on burn-in hours logged; unknown condition screams risk of early cathode wear. No boxes or original packaging? Even better tubes drop 20-30% in resale value.
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.
