Sansui A-900P 70 WPC Integrated Amplifier – Made in Japan

Sansui A-900P 70 WPC Integrated Amplifier – Made in Japan

Made in Japan, the Sansui A-900P is a classic mid-1980s DC servo integrated amplifier from one of the most revered names in vintage Japanese hi-fi — offering a genuine 70 watts per channel, a clean minimalist silver faceplate, and the natural, musical sound for which Sansui has long been celebrated.

Produced from 1985 to 1986, the A-900P represents an interesting chapter in Sansui’s long integrated-amplifier story — a compact, well-built unit with a refined DC servo output stage design that delivers clean, low-distortion amplification across the full audio bandwidth. Specifications are honest and well-balanced: 70 watts per channel into 8 ohms, just 0.05% total harmonic distortion, and a genuinely extended frequency response from 5 Hz to 60 kHz.

Inputs include a moving magnet phono stage for turntable connection (2.5 mV sensitivity, 72 dB signal-to-noise ratio), along with line-level inputs for tuner, CD, and auxiliary sources. A tape monitor loop is provided and can be used for adding an outboard EQ or signal processor into the playback chain — a welcome touch of flexibility for listeners who like to tailor their system. The minimalist front-panel layout keeps operation intuitive and uncluttered, letting the music take centre stage.

This unit is in very good cosmetic condition and has been thoroughly inspected and tested to confirm full functionality. The silver front panel presents beautifully and pairs handsomely with vintage or contemporary components alike.

Specifications:

Design: DC servo integrated amplifier

Power output: 70 W per channel into 8 ohms (both channels driven)

Frequency response: 5 Hz – 60 kHz

Total harmonic distortion: 0.05%

Input sensitivity: 2.5 mV (MM phono), 150 mV (line)

Signal-to-noise ratio: 72 dB (MM phono), 95 dB (line)

Output: 130 mV (line)

Speaker load impedance: 8 ohms (minimum)

Phono input: Moving magnet (MM)

Tape monitor loop: Yes (suitable for outboard EQ or signal processors)

Country of manufacture: Japan

Dimensions (W x H x D): 16.9 x 4.4 x 9.8 inches (430 x 112 x 250 mm)
Weight: 13.0 lbs (5.9 kg)

A clean, Made-in-Japan vintage Sansui integrated amplifier in very good condition, ready to anchor a classic two-channel system or serve as a worthy upgrade to a budget starter amplifier.

Backed by Radique Audio’s 90-day warranty and our perpetual trade-back policy, you can purchase with confidence.