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Sharp optonica versterker sm-4646 hb vintage 1978 i.z.g.s.
Optonica SM-4646 15 views

Sharp optonica versterker sm-4646 hb vintage 1978 i.z.g.s.

USD$514 EUR$450
Location
Barneveld, NL
Seller
marcellogringo
Source
Marktplaats
Posted
10 Jul 2026
Last seen
1d ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Seller's Description

Een uiterst zeldzame kans om dit vintage monster te bezitten. Een zeer mooi en kraakvrij apparaat. Hier te beluisteren. Geen onzin biedingen!   Optonica was destijds het topmerk van sharp en de 4646 w

Our Thoughts RADAR AI

The timing is mostly a generation question rather than an age one: if this is the classic vintage Optonica-era receiver, it’s a piece you buy for character and build, not because a newer replacement has made it obsolete. At €450, it lands right on the €451 median of your recent comps, so this reads as fair market rather than a steal or an ambitious ask.

What makes it worth a look is the usual appeal of these Optonica receivers: solid silver-era styling, a strong tuning section, and the kind of presentation that can be very satisfying with efficient speakers and a good source. At this price, the upside is in a clean, complete example with a seller who can confirm it’s fully working and ideally serviced; if it’s been looked after, it’s a sensible buy. The only real caveat is the unknown condition, so I’d want proof of stable operation, clean controls, and no channel imbalance before paying full ask.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Optonica

# Optonica

Optonica was a high-end audio subdivision of Sharp Corporation, the Japanese electronics manufacturer. Launched in 1975 (with some sources citing 1976), the brand was created to compete directly with established premium audio makers including Pioneer, Yamaha, Sansui, Nakamichi, and Marantz during the golden age of hi-fi. Sharp designed, built, and marketed Optonica products entirely in Japan, positioning the line as a serious contender in the luxury stereo market.

The brand's product portfolio centered on integrated amplifiers, receivers, and complete stereo systems aimed at discerning audiophiles. Optonica equipment was engineered to deliver high-fidelity sound reproduction across the mid-to-high power range, with models typically rated between 40 and 60 watts per channel. The brand maintained a focused approach, concentrating on core audio components rather than diversifying across numerous product categories.

Optonica's tenure in the high-end audio market proved relatively brief, effectively ending by 1982 as a serious competitor. The brand was revived in 1988 as a consumer electronics line encompassing stereo television receivers, VCRs, portable cassette players, and surround-sound receivers, but this iteration lacked the prestige of the original audio division. Production ceased entirely by 1991. Today, Optonica equipment from the late 1970s and early 1980s holds appeal among vintage audio collectors and enthusiasts seeking well-engineered Japanese hi-fi from that era.

See all Optonica listings on RADAR.

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