Accuphase P-450 Power Amplifier

This is a power amplifier packed with technology from Accuphase, released in 1997.

The output stage is configured as a 4-parallel push-pull, achieving stable, high output.

It is equipped with a selector switch, and can be used as a mono power amplifier by bridge connection.

The input terminal also has a balanced cable input.

Enjoy the classic Accuphase sound.

Type: Stereo power amplifier

Rated continuous average output (20Hz to 20kHz)

Stereo mode: 400W/ch (2Ω, music signal only)

300W/ch (4Ω)

200W/ch (8Ω)

Monaural mode:

(bridged connection) 800W (4Ω, music signal only)

600W (8Ω)

Total harmonic distortion

Stereo mode: 0.05% (2Ω load)

0.02% (4Ω to 16Ω load)

Monaural mode: 0.02% (4Ω to 16Ω load)

IM distortion 0.003%

Frequency response 20Hz to 20kHz +0 -0.2dB (rated continuous average output)

0.5Hz to 160kHz +0 -3.0dB (1W output)

Gain 28.0dB (stereo/mono mode)

Load impedance Stereo mode: 2Ω to 16Ω

Monaural mode (bridged connection): 4Ω to 16Ω

Damping factor Stereo mode: 400

Monaural mode: 200

Input sensitivity (8Ω load)

Stereo mode: 1.59V (at rated continuous average output)

0.11V (at 1W output)

Accessories: Instruction manual, power cable