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12AY7, made in USA but I don't know the brand, bought this long time ago for my amp but have been in storage as spare.I don't have a tester to test it but tried today on my amp, it's working as it should. Pick up available at Ultimo NSW2007 office hours or Lindfield NSW2070 after hours and weeken...
For a vintage tube lot like this, timing matters more than model year: if the valves test strong and are genuinely the brand/type shown, A$50 is a strong deal versus the typical used market, sitting well below the A$161 25th percentile and far under the A$378 median. Even with the model identity a bit unclear from the title, the asking price is low enough that it reads as bargain territory rather than a gamble.
The upside here is straightforward: 12AY7s are useful, sought-after small-signal tubes, and clean, tested examples often move quickly because buyers want spares or substitutes for guitar and hi-fi gear. The main thing to confirm is whether they’re tested, matched, and how much life remains; at A$50, even a partial-use set can still be worthwhile if the seller can document condition.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Monitor Audio, a British hi-fi mainstay, traces its origins to 1972 when founder Mo Iqbal established the company in a modest factory near Cambridge, England. Starting with hands-on loudspeaker assembly in a garage-like setting, it quickly professionalized, moving to Rayleigh, Essex, in 1976 for in-house manufacturing. This heritage of meticulous British engineering has endured through expansions, including a 2004 shift of production to China while retaining design leadership in Essex, alongside strategic acquisitions like Roksan in 2016 and Blok in 2019.
The brand excels in loudspeakers across diverse categories, from high-fidelity two-channel stereo models to advanced home cinema systems, architectural installations, outdoor speakers, and lifestyle solutions. Signature innovations like the patented C-CAM Gold Dome tweeters, introduced in the 1980s and continually refined, define its sound. Complementing these are amplifiers, streamers, and integrated audio systems, reflecting a broad portfolio that prioritizes proprietary driver technologies and precise enclosure design over peripheral gear like turntables or headphones.
Positioned as a mid-to-high-end powerhouse, Monitor Audio commands respect for delivering audiophile-grade performance at accessible price points, blending relentless innovation with timeless British craftsmanship. Over five decades, it has solidified its status as a global juggernaut, appealing to discerning buyers seeking refined, dynamic sound without boutique exclusivity or vintage nostalgia.
See all Monitor Audio listings on RADAR.
