The Accuphase A-250 is a class-A monophonic power amplifier designed to deliver high-quality audio performance with a focus on low noise and high detail. It features an ultra-low-noise design achieving a signal-to-noise ratio of 127 dB, allowing for an exceptional level of audio clarity and detail retrieval. The amplifier utilizes semiconductor MOS-FET switches, which eliminate mechanical contacts in the output circuitry, enhancing reliability and sound quality. Each channel is powered by two identical pure class A power units arranged in parallel, providing a robust output of 100 watts into an 8-ohm load. The amplifier includes a 20-parallel push-pull arrangement of MOS-FET devices in the output stage, which facilitates linear power progression even at ultra-low impedances down to 1 ohm, ensuring exemplary control over connected speakers with a damping factor exceeding 1,000. The input section is configured as a dual instrumentation amplifier, and the amplification stage incorporates a double MCS+ circuit along with current feedback topology. For users seeking even greater output power, the A-250 supports the bridged use of two units. It is equipped with a strong power supply featuring a high-efficiency toroidal transformer and large filtering capacitors, contributing to its overall performance and stability.

The Accuphase A-250 is a class-A monophonic power amplifier designed to deliver high-quality audio performance with a focus on low noise and high detail. It features an ultra-low-noise design achieving a signal-to-noise ratio of 127 dB, allowing for an exceptional level of audio clarity and detail retrieval. The amplifier utilizes semiconductor MOS-FET switches, which eliminate mechanical contacts in the output circuitry, enhancing reliability and sound quality. Each channel is powered by two identical pure class A power units arranged in parallel, providing a robust output of 100 watts into an 8-ohm load. The amplifier includes a 20-parallel push-pull arrangement of MOS-FET devices in the output stage, which facilitates linear power progression even at ultra-low impedances down to 1 ohm, ensuring exemplary control over connected speakers with a damping factor exceeding 1,000. The input section is configured as a dual instrumentation amplifier, and the amplification stage incorporates a double MCS+ circuit along with current feedback topology. For users seeking even greater output power, the A-250 supports the bridged use of two units. It is equipped with a strong power supply featuring a high-efficiency toroidal transformer and large filtering capacitors, contributing to its overall performance and stability.