LIVE
Waiting for new listings…
0 other audiophiles online
Toshiba Stereo Pre-Amplifier SY-665 (Un-tested)
Toshiba 13 views

Toshiba Stereo Pre-Amplifier SY-665 (Un-tested)

USD$100
Location
US
Seller
kenhe-3550
Source
eBay US
Posted
14 Aug 2026
Last seen
7h ago

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

Our Thoughts RADAR AI

This is a buyer’s market for this category at the moment: at US$100, this sits below the US$113 25th percentile and well under the US$170 median, so it reads as a solid bargain rather than a stretch. For a vintage Toshiba preamp, that’s a very sensible entry price if the unit is basically complete and not obviously damaged.

The appeal here is the usual one with older separate preamps: straightforward analog utility, decent build, and the chance to pair it with a tuner, tape deck, or power amp in a compact vintage setup. The big upside is value if it powers up cleanly and the controls are quiet; the main buyer task is simply to verify it’s not hiding a service bill, since “un-tested” leaves the risk with you. At this price, it’s worth a look.

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

About Toshiba

Toshiba traces its roots to 1875 in Japan, emerging from the innovative legacy of Hisashige Tanaka, the "Thomas Edison of Asia," whose Tanaka Engineering Works laid early groundwork in precision mechanics. The modern company formed in 1939 through the merger of Shibaura Seisakusho—Japan's pioneer in telegraph equipment—and Tokyo Denki, the nation's first incandescent lamp maker. Renamed Toshiba Corporation in 1978, it built a storied heritage in consumer electronics, blending industrial prowess with entertainment tech during Japan's postwar boom.

In hi-fi audio, Toshiba excelled in a broad array of categories, from full-size separates like amplifiers and tuners to turntables such as the high-end SR-510, quadrophonic systems, and top-tier record players. Pioneering innovations included the world's first digital synthesizer tuner (ST-910, 1978), the ADRES noise reduction system, and transistor televisions. Under the premium Aurex sub-brand launched in the late 1970s, it offered elite components detached from mainstream associations, later evolving into compact micro systems and, remarkably, a 2018 revival with high-res cassette players.

Toshiba holds a revered vintage-collector status among hi-fi enthusiasts, embodying the golden age of Japanese audio with technical masterpieces that rivaled Sony and Pioneer. No longer a major player in consumer hi-fi—having shifted to energy and infrastructure by the 2020s—its gear remains prized for build quality, innovation, and that elusive 1970s-80s analog warmth, appealing to savvy buyers hunting rare, high-fidelity treasures.

See all Toshiba listings on RADAR.

More Toshiba listings