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Vintage AKAI AM-U310*DC Amplifier*Made in JapanVintage Slimline Audiophile Japanese DC Amplifier by Akai in Great Working Condition. This incredibly versatile Akai amplifier can handle A and B speaker combinations with loads from 4-16ohms with incredibly low THD of 0.03% at 8ohms with a advertised frequency response of 5Hz to 100kHz. It also features an incredible wideband performance from 5Hz to 60kHz with 0.1 THD. Built in DC Servo Circuit to protect speakers.The units has inputs for 2x Cassette Decks, Aux & Phono and features analogue Bass & Treble Tone Controls, a Subsonic Filter, Loudness, Balance and A and B speakers Inputs and Selection. It also features a stunning Vacuum Fluorescent VU Meter Display.In great physical and functional condition with usual minor signs of use for age. Please refer to photos.*** Please note that the PHONO button is missing its cover, does not effect function. ***SpecificationsRated Power Output: 40 watts per channel into 8Ω (stereo)Total harmonic distortion: 0.03% (20Hz - 20kHz)Power Bandwidth (IHF -3 dB, 8 ohms): 5Hz - 60kHz (0.1%) Frequency response: 5Hz to 100kHzDamping factor: 60Input sensitivity: 2.5mV (MM), 150mV (line)Signal to noise ratio: 80dB (MM), 100dB (line)Channel separation: 60dB (line)Output: 150mV (line)Speaker load impedance: 4Ω to 16ΩDimensions: 440 x 100 x 312mmWeight: 6.1kgA remote area shipping surcharge may apply to those living in remote areas. If you think you are in a remote area please contact me for a quote.Turntable input, Vinyl input, analogue, analog, cassette input, tape input, eighties, 1980s, 80s, retro
A solid mid-tier vintage integrated worth a look. At US$208, it sits just above the listed market median of US$197 and a touch over the 75th percentile at US$203, so this is slightly ambitious rather than a bargain.
What helps is that Akai’s better late-era integrateds are generally liked for straightforward, musical sound and simple day-to-day usability, which makes them appealing if you want a no-fuss amp for efficient speakers. If the unit is genuinely clean and fully original, the extra US$5 over the upper quartile is not a dealbreaker; just want confirmation on basic function, quiet controls, and whether any service history exists, since age-related maintenance matters more than cosmetics here.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Akai Electric Company Ltd. traces its origins to Japan, founded by engineer Masukichi Akai in Tokyo around 1929, with his son Saburo Akai playing a key role in its early growth. Initially focused on affordable radio components, the firm formalized as a full electronics manufacturer post-World War II, often cited as 1946. By the mid-20th century, Akai had evolved into a prominent name in consumer audio, peaking in the 1970s before financial troubles led to its exit from the industry in 1991.
The brand built its legacy on high-quality tape-based audio gear, including reel-to-reel tape recorders, cassette decks, tuners, amplifiers, and complete stereo systems that brought professional-grade sound to homes. In the late 1980s, Akai Professional revolutionized music production with the MPC series—starting with the 1988 MPC60, co-designed by Roger Linn—integrating sampling, sequencing, and velocity-sensitive pads into compact workstations that defined hip-hop and electronic genres.
Today, Akai holds a revered vintage-collector status among hi-fi enthusiasts for its robust 1970s components, prized for their warm analog character and build quality. In the pro audio realm, the MPC line endures as an iconic, mid-to-high-end tool for beatmakers, with modern iterations sustaining the brand through licensing. While not a current leader in traditional hi-fi like amplifiers or speakers, its heritage appeals to savvy buyers seeking timeless reliability over fleeting trends.
See all Akai listings on RADAR.
