Grace Design m900 Headphone Amp / DAC / Preamp
- Location
- US
- Source
- Reverb
- Posted
- 9 Mar 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.
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Barely used and in perfect condition. Still has the protector on the LED screen.Incredible Headphone amp / DAC. Great for traveling and also to upgrade your headphone amp from interfaces like Apollos.Comes with USB Bus power cable and USB 2A power supply for high power mode. (USB C adapter not included)USB, S/PDIF and Toslink digital inputs, supports up to 192kHz (Toslink up to 96kHz)Asynchronous USB interface for jitter free computer audio playback, supports up to 384kHz PCM and 256x DSDDual zero ohm output impedance headphone outputsUnbalanced level controlled outputs via RCA for connecting to a stereo monitor systemCompact, portable chassis perfect for travel, desktop or studioLow power mode via USB Bus powerHigh power mode via included USB 2A power supply4 different DAC filter settings to tailor playback performance to personal preferenceSimple user setup menu for setup and calibration7 segment LED display displays level and setup menu informationLarge rotary encoder for volume control and setup menu navigationMade in Lyons, CO USA
Generating expert take…
Dual emerged from the Black Forest region of Germany in 1907, when brothers Christian and Joseph Steidinger began manufacturing clockwork and gramophone components in St. Georgen. The company adopted its now-iconic name in 1927 after pioneering dual-mode power supplies that allowed gramophones to operate from either mains electricity or mechanical wind-up mechanisms. This innovation marked the beginning of Dual's transition from component supplier to full-fledged audio manufacturer, establishing a foundation of engineering precision that would define the brand for decades.
Dual built its reputation primarily as a turntable specialist, becoming Europe's largest turntable manufacturer by the post-war era with over 3,000 employees across multiple factories. Beyond vinyl playback, the company expanded into cassette players, CD players, and broader consumer electronics throughout the 1970s and 1980s, demonstrating versatility across analog and digital formats. The company's focus on mechanical excellence and stable drive systems earned it recognition as a dependable, quality-focused manufacturer throughout its European heyday.
Today, Dual occupies a fragmented market position following corporate restructuring in the 1990s and subsequent ownership changes. The original German turntable line continues production in St. Georgen under Alfred Fehrenbacher GmbH, maintaining traditional manufacturing standards and appealing to vintage enthusiasts and collectors. Separately, Namsung Electronics markets Dual-branded consumer electronics in the Americas at accessible price points. The brand's legacy rests primarily on its classic turntables, which remain highly sought after by collectors and audiophiles valuing precision engineering and heritage craftsmanship.
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