RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
At US$1,249, this Spectral DMA-50 is a genuine bargain, sitting well below the typical used market range of US$1,450–US$1,500. A recent listing on Reverb and a separate dealer offer both hit US$1,500, making this asking price roughly US$250 under the current floor for working units.
The DMA-50 remains a cult favorite for its blistering speed and clean, uncolored power delivery, boasting 80W into 8Ω with a 1.2 MHz bandwidth and sub-300ns rise time that crushes transient demands. Its USA-made solid-state design delivers distortion under 0.006% and a slew rate of 1,000V/µs, making it ideal for demanding speakers and high-fidelity systems. At this price, it’s a rare entry into top-tier Spectral territory with immediate upside—no caveats needed unless the listing hides cosmetic or functional issues, which isn’t indicated here.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Spectral Audio, an American high-end audio brand, traces its origins to 1975 when Richard Fryer founded the company in pursuit of unparalleled musical realism. Initially sparked by Fryer's collaboration with partner Damian Martin to create a reference amplifier for Sound Advice in 1976, the venture evolved into Spectral Incorporated with the launch of the landmark MS-One amplifier in 1977 or 1978. Fryer enlisted the expertise of Dr. Keith O. Johnson, a legendary recording engineer and circuit designer renowned for innovations in analog and digital audio, including early advancements in cassette duplication.
The brand focuses on premium electronics, particularly power amplifiers, preamplifiers, and digital source components like state-of-the-art DACs, designed to integrate seamlessly as a unified system. Spectral eschews mass production, building limited quantities of each product to push performance boundaries without regard for cost constraints, treating development like an independent research lab rather than a conventional business.
Spectral holds a niche boutique position in the high-end market, revered by discerning audiophiles for its timeless engineering and refusal to chase trends, reviews, or aggressive marketing. Operating almost as a well-kept secret for over four decades, it prioritizes sonic purity and system synergy, appealing to serious listeners who value substance over hype.
See all Spectral Audio listings on RADAR.
