Offered here is the Sony TA-N90ES, a prestigious ES (Elevated Standard) series stereo power amplifier from Sony. This model represents Sony’s no-compromise approach to high-end audio engineering, combining outstanding build quality with refined, musical performance. Key Features • Part of the legendary Sony ES Series • Dedicated stereo power amplifier with robust output stage • Heavy, resonance-controlled metal chassis for maximum stability • High-quality internal components and oversized power supply • Classic ES design with solid aluminium front panel Sound & Performance The TA-N90ES is known for its powerful yet controlled sound, excellent dynamics, and smooth, natural tonal balance. It offers strong grip on loudspeakers, precise imaging, and an engaging, fatigue-free listening experience—ideal for both detailed and dynamic music reproduction. Technical Highlights (summary) • High-current output stages • Large transformer for stable power delivery • Low noise and distortion design • RCA line-level inputs • Designed and manufactured in Japan Condition • Fully functional • Cosmetic condition consistent with age; light signs of use may be present • Clean front panel and solid overall appearance (see photos) Why this amplifier? The Sony TA-N90ES is highly regarded among audiophiles and collectors and is becoming increasingly rare on the market. It pairs beautifully with Sony ES preamplifiers and CD players, but also performs excellently in mixed high-end systems. Carefully packed for safe worldwide shipping A true vintage Sony ES power amplifier – built to last, built to perform. An excellent opportunity to acquire a classic Japanese high-end amplifier from Sony’s golden ES era.