Pioneer A-400 Stereo Integrated Amplifier in excellent condition


DIN Continuous power output (both channels driven at 1 kHz)
85W + 85W into 4 Ohms. 1% THD
60W + 60W into 8 Ohms. 1% THD

Continuous power output (both channels driven at 20 Hz to 20kHz)
70W + 70W 4 Ohms, 0.05% THD
50W + 50W 8 Ohms, 0.03% THD

Dynamic power output (on EIA dynamic test signal)
135W/100W/70W into 2 Ohms /4 Ohms /8 Ohms

Total Harmonic Distortion
0.03% at 20Hz-20kHz , 50 W, 8 Ohms
0.05% at 20Hz-20kHz , 70 W, 4 Ohms

Frequency Response
5Hz-100 kHz + 0/- 3 dB (CD, Tuner, Aux, Tape)
20Hz-20 kHz +/- 0.3 dB (Phono MM)
20Hz-20 kHz +/- 0.5 dB (Phono MC)

Signal-to-Noise ratio (IHF short circuit, A network)
108 dB (CD, Tuner, Aux, Tape) 
87 dB / 69 dB (Phono MM, 2.5 mV input, Phono MC, 0.2 mV input)

Signal-to-Noise ratio (DIN, continuous power/50 mW)
88 dB / 65 dB (CD, Tuner, Aux, Tape) 
74 dB / 63 dB (Phono MM)

Input sensitivity/impedance
CD, Tuner, Aux, Tape: 150mV/ 50 kOhms
Phono (MM): 2.5mV/ 50 kOhms
Phono (MC): 0.2mV/ 100 kOhms

Power supply: 240V AC, 50/60 Hz
Power consumption: 520 Watts

Weight: 8.0 Kg

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This item is sold As-Described

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Listed2 months ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
  • A-400
  • Black

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Yorkshire Gear Outlet

Scarborough, United Kingdom
Joined Reverb:2024

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