Description
Model number: M-4000A
Model: Duo Beta Circuit Stereo Power Amplifier
Continuous effective output (20Hz to 20kHz, both channels simultaneously/one channel operation):
270W+270W (4Ω)
180W+180W (8Ω)
Total harmonic distortion (8Ω, 20Hz to 20kHz): 0.008% or less (180W)
Cross-modulation distortion (8Ω, 60Hz:7kHz=4:1): 0.008% or less (180W)
Frequency characteristics: 3Hz to 100kHz within -1dB
Output bandwidth: 10Hz to 100kHz -3dB (0.1%)
Input sensitivity/impedance: 600mV/50kΩ
SN ratio (IHF-A correction): 116dB or more
Residual noise: 0.2mV or less
Crosstalk (Volume maximum):
-100dB or less (1kHz)
-80dB or less (20Hz to 20kHz)
Damping factor: 100 (at 8Ω load)
Protection circuit:
Speaker protection circuit due to speaker terminal DC drift
Amplifier protection circuit with overcurrent detection
Amplifier protection circuit using power transistor fuse blowout detection
Attached equipment:
Power meter
Peak indicator (with peak indicator on/off switch)
Meter sensitivity selector switch (0dB, -20dB)
Input level set with 22 points at 1dB intervals and detent volume
Power supply voltage: AC100V, 50Hz/60Hz
Power consumption (Electrical Appliance Control Law): 520W
External dimensions: width 491 x height 181 x depth 390mm
Weight: 30kg