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What l am selling is100% genuine Brand New STK4221V New old stock (NOS) in its Original bag, Not modern fakes, Not ReproductionsThese are the real McCoy 100% verified, era-accurate Japanese thick-film silicon stored for decades in heat-sealed blue antistatic bags in an old Japanese Technicians st...
This is a buyers’ market for this kind of listing: at A$155, it sits just under the A$162 median and comfortably inside the middle of the pack, so it reads as fair value rather than a steal. It’s not cheap enough to call a bargain, but it’s close enough to the market norm that a clean, ready-to-use example would be easy to justify.
The appeal here is straightforward: parts like this are useful when you need a specific replacement or want to keep an older amplifier or module in service, and the upside is strongest if it’s genuinely unused or lightly handled. At this price, I’d mainly want confirmation that it’s the correct variant and that the pins/leads and packaging are intact; if that checks out, it’s a sensible buy for someone who needs one now rather than waiting for a lower-priced listing.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sanyo Electric Co., Ltd. traces its origins to 1947 in Osaka, Japan, when Toshio Iue, brother-in-law of Panasonic founder Kōnosuke Matsushita, launched the company using a disused Matsushita factory to produce bicycle generator lamps. Formally incorporated in 1950, the name "Sanyo"—meaning "three oceans"—reflected Iue's vision of global reach across the Pacific, Atlantic, and Indian oceans. From these humble beginnings, Sanyo rapidly expanded into consumer electronics, pioneering Japan's first plastic radio in 1952 and pulsator washing machine in 1954.
In audio and hi-fi, Sanyo earned recognition for mass-market components like stereo systems, introduced in 1958, and the groundbreaking all-transistor DC-600 system in 1963. The brand produced reliable radios, tape recorders, cassette decks—often rebadged for other labels—and hi-fi systems, alongside televisions and amplifiers. Later ventures included acquiring the U.S. Fisher brand in 1975, elevating its profile in receivers and speakers aimed at everyday enthusiasts.
Today, Sanyo holds vintage-collector status rather than an active hi-fi contender, its reputation rooted in affordable, innovative Japanese engineering from the 1960s-1980s golden era. Once a "3S" giant alongside Sony and Sharp, it catered to mid-tier buyers seeking solid performance without audiophile premiums, though its absorption into Panasonic in 2009 shifted focus away from dedicated audio gear. Collectors prize well-preserved Sanyo pieces for their durability and nostalgic appeal in retro setups.
See all Sanyo listings on RADAR.
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