RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
DS Audio DS 003 Phono Stage/Equalizer for Optical Cartridge
PREOWNED – FULLY TESTED – INCLUDES
ORIGINAL BOX/PACKING, MANUAL, POWER CABLE
Changed the thickness of the circuit board and the
thickness of the copper foil.
Compared to the DS002 equalizer, the thickness of the
circuit board has been changed from 1.6 mm to 2.0 mm, and the thickness of the copper
foil has been changed from 35 µ to 70 µ. In addition, the DS003 equalizer
allows you to select the cutoff frequency for the low frequency range from four
types, allowing you to select an output that better matches your system.
Hand-made in Japan circuit board
Every component part used in our products is tested and
evaluated by our expert Japanese technicians. In addition to using a specially
printed circuit board, twist-connection of the component legs is further
evidence of DS Audio’ s excellent attention to detail. Each and every product
is hand-made and quality assured by our skilled engineers.
DS 003 Equalizer for Optical Cartridge
Output voltage 500mV(1kHz Equalizer output)
Output impedance RCA 120Ω
Pre amp input impedance More than 10kΩ
Input terminal RCA terminal
Output terminal RCA terminal×2
Size W33cm×H9.2cm×D29.5cm
Weight
5kg
Generating expert take…
# DS Audio
DS Audio is a Japanese hi-fi specialist founded in October 2013 by Tetsuaki Aoyagi, building on his father's three-decade legacy in laser optics through Digital Stream Corporation. Based in Sagamihara, Kanagawa, the brand emerged from a deliberate mission to reinvent analog playback and "create the future of analog music." This heritage in precision optics proved instrumental in developing the company's signature technology.
The brand is renowned almost exclusively for optical phono cartridges—a category in which DS Audio stands alone as the world's sole major manufacturer. Their cartridges employ proprietary LED-based optical transducers that dramatically improve upon earlier Toshiba designs, eliminating traditional stylus contact and offering exceptional longevity (approximately 50,000 usable hours). DS Audio complements these cartridges with matching phono stages and turntable accessories, maintaining a tightly focused product ecosystem.
DS Audio occupies the high-end and ultra-high-end market segment, commanding premium pricing justified by proprietary innovation and limited competition. The brand has cultivated a devoted following among analog enthusiasts and collectors worldwide, with its optical cartridges climbing to the upper echelons of audio desirability. This is unquestionably a niche boutique manufacturer, but one with genuine technological differentiation and a growing reputation for excellence in a specialized domain.
See all DS Audio listings on RADAR.
