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Our Thoughts RADAR AI

£650 looks strong against the used market for this amp. Recent asking prices cluster around £900, with other examples at roughly £995 and about £1,000+ in Europe, while the original price was around £1,290–£1,899 depending on source and version.

That makes this a convincing buy if it’s healthy: the Soprano LE is a well-regarded Italian valve integrated with a sweet, fluid midrange and about 12W per channel, so it suits efficient speakers and rewards careful system matching. At this price, the upside is real; just make sure the valves are quiet, the DAC/input stage works as expected, and any remote/box/manual are included, since completeness helps preserve value on a niche piece like this.

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

About Synthesis Audio

Synthesis Audio is an obscure hi-fi brand with limited verifiable public information available, making a detailed heritage sketch challenging without speculation. No confirmed records pinpoint its founding year, country of origin, or a notable founder, though it appears to operate in the niche realm of boutique audio components rather than mainstream consumer electronics.

The brand's product focus, based on sparse online mentions, centers on high-end amplifiers and integrated systems, potentially extending to DACs and cables, but details on speakers, turntables, or headphones remain unconfirmed and inconsistent across sources.

Positioned as a niche boutique player, Synthesis Audio caters to discerning audiophiles seeking esoteric, handcrafted gear, but it lacks the established reputation of high-end stalwarts like Naim or Magico. Knowledgeable buyers may encounter it in specialty forums, yet its market presence is marginal, warranting caution for unverified performance claims.

See all Synthesis Audio listings on RADAR.

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