Accuphase PowerAmp Model: P-450
Type Stereo power amplifier Rated continuous average output (20 Hz to 20 kHz) Stereo : 400W/ch (2 Ω, music signal only) 300W/ch (4 Ω) 200W/ch (8 Ω) Monaural specification : (bridge connection) 800W (4 Ω, music signal only) 600W (8 Ω) Total harmonic distortion factor Stereo : 0.05% (2 Ω Load) 0.02% (4 Ω ~ 16 Ω Load) Monaural specification : 0.02% (4 Ω ~ 16 Ω Load) IM distortion factor 0.003% Frequency characteristic 20 Hz ~ 20 kHz + 0 -0.2 dB (at rated continuous average output) 0.5 Hz ~ 160 k