ACCUPHASE A-300

Monophonic Solid-State Power Amplifier in Pure Class A

The Accuphase A-300 is a high-end integrated amplifier, manufactured by the renowned Japanese company Accuphase, known for creating top-quality audio devices. This amplifier is designed to deliver an incredibly precise and refined sound, thanks to its advanced technology and excellent build quality.

Output Power: The Accuphase A-300 is capable of delivering around 150 watts per channel at 8 ohms, with additional power that can rise to 300 watts per channel at 4 ohms. This allows it to drive even demanding speakers.

DMR Technology (Differentially Biased Design): The A-300 uses a differential amplification circuit, which helps achieve a more transparent sound by minimizing distortion and improving overall sound quality.

Class A Amplification Circuit: While the A-300 is not a purely Class A amplifier, it uses a design that emulates many of the positive effects of this class, such as minimal distortion and an extremely linear frequency response.

Design and Build: The Accuphase A-300 is built with high-quality materials and features an elegant design typical of Accuphase products. The chassis is solid and well-finished, with an internal layout optimized to reduce interference and improve thermal management.

Control and Customization: The A-300 offers a wide range of controls, including source selection, tone adjustments, and precise volume control. It also features an LCD display for easy viewing of settings.

Connectivity: It includes various input options, including RCA and balanced (XLR), ensuring compatibility with a wide range of audio sources.

Sound: Thanks to its high-quality design and construction, the Accuphase A-300 is known for its ability to produce an incredibly natural, detailed, and harmonious sound. It is ideal for audiophiles looking for an amplifier that can faithfully reproduce music while maintaining transparency and precision.

In general, the Accuphase A-300 is highly regarded for its superior sound quality, robustness, and durability, making it an ideal choice for those seeking the best in audio performance and design.

Technical specifications:

• Output Power: 150 W per channel at 8 ohms (Class AB) and 300 W per channel at 4 ohms, with peak power up to 600 W at 2 ohms.
• Amplifier Type: Class AB integrated amplifier with advanced Differentially Biased Design (DMR) and a circuit that emulates Class A amplification to improve sound quality.
• Total Harmonic Distortion (THD): 0.03% at 1 kHz, 8 ohms, 50 W output power.
• Frequency Response: 5 Hz – 100 kHz (±3 dB).
• Signal-to-Noise Ratio (S/N): 120 dB (balanced I/O), 112 dB (unbalanced I/O).
• Input Impedance: 10 kΩ (RCA), 20 kΩ (XLR).
• Inputs: 4 RCA line inputs, 2 balanced XLR inputs, direct input (for bypassing volume control).
• Outputs: 2 pairs of speaker terminals per channel, preamplifier output (for connecting another amplifier).
• Controls: Analog volume control, tone adjustments (bass, treble), balance, input selector, mode selector (stereo, mono).
• Dimensions: Width 470 mm, Height 176 mm, Depth 462 mm.
• Weight: 28 kg.