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Accuphase P-800
Feature Specification
Continuous Average Output (Normal Mode) 400W/ch (8Ω), 600W/ch (4Ω), 200W/ch (16Ω)
Continuous Average Output (Low Imp. Mode) 600W/ch (1Ω), 400W/ch (2Ω), 200W/ch (4Ω)
Dynamic Power (Peak) Up to 1,600W into 2Ω (music signal)
Total Harmonic Distortion (THD) 0.01% (4–16Ω load), 0.05% (1–4Ω load)
Frequency Response 20Hz – 20,000Hz (+0, -0dB) at rated output
Damping Factor 200 (50Hz)
Signal-to-Noise Ratio 125dB (A-weighted, rated output)
Input Sensitivity 2.25V for rated output into 8Ω (Normal Mode)
Power Consumption 110W (idle), 740W (at rated output into 8Ω)
Dimensions (W x H x D) 481 x 239 x 489 mm
Weight 47.2 kg (approx. 104 lbs)
The
Accuphase P-800 is a high-end stereo power amplifier released in 1988. It was developed as a stereo counterpart to the M-1000 monaural amplifier and is known for its "monster" power and dual-mono construction.
Description & Key Features
Dual-Mono Design: The unit features two separate power cords and independent power supplies for each channel to ensure maximum signal separation and stability.
Fully Balanced Circuitry: Employs a totally balanced signal path from input to output when using the XLR inputs, which helps eliminate external noise.
Low-Impedance Drive: A standout feature is the "Low Impedance Mode" switch (located behind a hidden front panel door), which adjusts the applied voltage to the output devices to handle difficult, low-impedance speaker loads.
Output Stage: Each channel uses 14 pairs (28 total) of wide-band high-power transistors in a parallel push-pull configuration, providing a massive maximum power dissipation capability.
Aesthetics: Features the signature Accuphase gold faceplate and large, symmetrically arranged analog power level meters that display output in both decibels and watts.
- Started from: Apr 07, 2023
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