Accuphase AA70

• Overview – The Accuphase AA70, released in 1987, is a Class A solid-state stereo power amplifier delivering 60 watts per channel, designed with Accuphase’s signature precision circuitry and exceptional low-noise performance.

• Pure Class A Operation – Operating entirely in Class A, the Accuphase AA70 provides exceptionally smooth midrange, natural tonal warmth, and highly refined treble reproduction, characteristics prized by audiophiles and vintage Accuphase enthusiasts.

• Precision Japanese Engineering – The Accuphase AA70 incorporates high-quality discrete components, oversized power supply regulation, and robust build quality, ensuring stable current delivery and long-term reliability in demanding high-fidelity systems.

• Specifications – 60W per channel into 8 ohms in pure Class A operation, frequency response 20Hz–20kHz, low total harmonic distortion under 0.02%, high damping factor, heavy-duty power supply with large filter capacitors.

• Dimensions – Approximately 475 mm (W) × 170 mm (H) × 427 mm (D), reflecting Accuphase’s classic full-width chassis designed for optimal heat dissipation required for continuous Class A operation.

• Weight – Approximately 26 kg, demonstrating substantial internal transformer construction, heavy-duty heat sinks, and premium chassis engineering typical of vintage Accuphase Class A amplifiers.