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Rated continuous average output: 160W/ch (1Ω), 140W/ch (2Ω), 70W/ch (4Ω), 35W/ch (8Ω)■Total harmonic distortion: 0.05% 2-4Ω load, 0.03% 8-16Ω load■IM distortion: 0.01%■Frequency response: MAIN IN: Rated continuous average output 20Hz-20kHz -0.2dB, 1W output 3Hz-150kHz -3.0dB, HIGH LEVEL INPUT: Rated continuous average output 20Hz-20kHz -0.5dB■Damping factor: 1000 (8Ω 50Hz)■Load impedance: 2-16Ω■Output voltage/output impedance: PRE OUTPUT, LINE: 0.617V/50Ω, BAL: 0.617V/50Ω■Gain: HIGH LEVEL INPUT→PREOUTPUT: 18dB, MAIN IN→OUT PUT: 28dB■S/N Rated output (input short, A-weighted): INPUT (BALANCED) 103dB, INPUT (LINE) 103dB, MAIN IN (BALANCED/LINE) 117dB, EIA INPUT (BALANCED/LINE) 97dB, MAIN IN (BALANCED/LINE) 101dB■Input equivalent noise (input short, A-weighted): INPUT (BALANCED) -124dBV, INPUT (LINE) -124dBV, MAIN IN (BALANCED/LINE) -121dBV■Tone control: Bass 300Hz/+-10dB, Treble 3KHz/+-10dB Loudness control: +6dB (100Hz)■Attenuator: -20dB■Power consumption: 178W (no signal), 320W (Electrical Appliance and Material Safety Act), 0.3W (standby power)■Included: Remote commander (RC-250), power cable (APL-1)Size W (width): 465 mmH (height): 191 mmD (depth): 428 mmWeight 24.9 kg
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Accuphase Laboratory, Inc., founded in 1972 in Tokyo by brothers Nakaichi and Jiro Kasuga, emerged from their departure from Trio-Kenwood, the company they had co-established decades earlier. Dissatisfied with mass-production compromises, the Kasugas formed Kensonic Laboratories—later renamed Accuphase Laboratory—and relocated to Yokohama in 1973. The brand name, blending "accurate" and "phase," reflected their commitment to precision audio reproduction amid the 1970s hi-fi boom. Their debut products, the P-300 power amplifier, C-200 preamplifier, and T-100 tuner, immediately earned acclaim, including Japan's Compo Grand Prix for the P-300.
Accuphase specializes in high-end electronics, renowned for integrated and power amplifiers, preamplifiers, tuners, CD players, and digital sources like DACs. While their core strength lies in meticulously engineered amplifiers celebrated for phase accuracy and reliability, the lineup extends to digital components, mains filters, and room correction units. Hand-assembled in Yokohama with top-tier parts and innovative circuits, these products prioritize sound purity over volume, eschewing speakers, turntables, headphones, or cables.
Positioned firmly in the ultra-premium high-end market, Accuphase commands reverence among audiophiles for its timeless build quality, engineering excellence, and enduring performance. Synonymous with Japanese hi-fi mastery, it stands as a reference benchmark, appealing to discerning buyers seeking components that deliver uncompromised musical fidelity and last for generations.
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