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Type
Duo Beta plusX power amplifier
Continuous effective output
(20 Hz to 20 kHz, simultaneous operation for both channels)
Class A :
40W + 40W (8 Ω)
Class AB :
270W + 270W (4 Ω)
170W + 170W (8 Ω)
Total harmonic distortion factor (8 Ω
20 Hz to 20 kHz, -3dB)
Class A : 0.005% or less
Class AB : 0.005% or less
Intermodulation distortion factor (8 Ω
60 Hz : 7 kHz = 4 : 1, -3dB)
Class A : 0.005% or less
Class AB : 0.005% or less
Output bandwidth
Class A : 10 Hz to 100kH-3dB (Distortion Factor 0.015%)
Class AB : 10 Hz to 100 kHz -3dB (Distortion Factor 0.04%)
Frequency characteristic
10 hz to 100 kHz -1dB (both class A and class AB)
Input sensitivity
Class A : 0.45 V
Class AB : 1 V
Input impedance
50k Ω (both class A and class AB)
Signal-to-noise ratio (IHF-A corrected)
Class A : 115 dB
Class AB : 120 dB
Residual noise (IHF-A corrected)
30 μ V (both Class A and Class AB)
Damping factor
120 (1 kHz, 8 Ω, both Class A and Class AB)
Protection circuit
DC drift detection speaker protection circuit
Overcurrent detection amplifier protection circuit
Attachment
Circuit operation switch (indicator)
Peak indicator
Input Attenuator
Headphone jack
Speaker OFF switch (indicator)
Line phase sensor
Power supply voltage
100 VAC, 50Hz/60Hz
Power consumption (Electrical Appliance and Material Control Law)
Class A : 420W
Class AB : 430W
External dimensions
Width 478x Height 214x Depth 484 mm
Weight
30kg

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