Pioneer A-88X Integrated stereo amplifier (1986) . The A-88X was the flagship integrated amplifier of the Elite series . Impressive dual mono from Pioneer. Very bright and defined stage. Rich in detail, full of power . Technical Data • Continuous power at 8/4 Ω 120 W at 8 Ω (RMS 20-20 kHz, at 0.003 % harmonic distortion) • Dynamic power at 8/4/2 Ω: 169/300/441 watts. • Total harmonic distortion: 0.003 %. • Cross distortion: 0.003 % (50 Hz:7 kHz at 4:1, at active power). • Power bandwidth: n. A. • Attenuation factor: 100 (20-20 kHz, 8 Ω). • Input (Sensitivity/Impedance). o Phono MM: 2.5 mV/50 kΩ, MC: 0.25 mV/100 Ω. o Line inputs: 150 mV at 30 kΩ • Output (level/impedance): 150 mV/2.2 kΩ • Frequency response. o Phono: 20-20 kHz ± 0.2 dB o Line: 10-100 kHz + 0-3 dB • Tone control o Bass: ± 8 dB at 100 Hz treble: ± 8 dB at 10 kHz • Loudness: no • Subsonic filter: yes, 15 Hz, - 6 dB/octave • Mute: yes, - 20 dB • Direct/"Line Straight": yes • Ripple distance (short-circuited) • Phono MM/MC: 89/76 dB (40 Ω), 76 dB (3 Ω) Line: 110 dB Special Features • Stereo to mono • Stereo reverse (swap channels) • Separate power supplies for one power amplifier and the preamplifier each, double mono construction • Gold-plated phono input • Separate speaker relays for each channel, electronically switched