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Sampling frequency rate
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Internal
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48kHz
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A/D D/A Converters
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AD/DA: 24-bit linear, 128 times over sampling
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Total harmonic distortion
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0.1% (1kHz, 10W), 0.3% (1kHz, Half power)
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Frequency response
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±1.0dB (1W, 8Ω, 20Hz to 20kHz)
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S/N ratio
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100dB (A-weighted, 8Ω, Gain setting = +14dBu)
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Crosstalk
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Less than -60dB (Half Power, 8Ω, 1kHz, Vol max input 150Ω shunt)
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Voltage Gain/Sensitivity
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8Ω Volume max
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32.0dB/+6.3dBu (Gain setting: 32dB), 26.0dB/+12.3dBu (Gain setting: 26dB), 34.3dB/+4dBu (Gain setting: +4dBu), 24.3dB/+14dBu (Gain setting: +14dBu)
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8Ω Volume max /Power Boost mode
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34.0dB/+6.3dBu (Gain setting: 32dB), 28.0dB/+12.3dBu (Gain setting: 26dB), 36.3dB/+4dBu (Gain setting: +4dBu), 26.3dB/+14dBu (Gain setting: +14dBu)
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Maximum input voltage
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+24dBu
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Input impedance
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20kΩ (Balance), 10kΩ (Unbalance)
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I/O Connectors
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Speaker output ports
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Neutrik speakON NL4 x2, Binding post x2 pairs, 1/4" PHONE(TS) x2
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Line Input
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XLR-3-31 x2, 1/4 "PHONE(TRS) x2
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Others
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USB 2.0 Standard-A Connector (Female) for Save/Load, Speaker preset update, Firmware update with USB memory; AC inlet x1 with AC cord clamp
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Indicators
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POWER x1 (Green), ALERT x1 (Red), USB x1 (Green), PROTECT x2 (Red), CLIP/LIMIT x2 (Red), SIGNAL x2 (Green); Auto LED off feature
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Processors
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Input summing; D-CONTOUR(FOH/MAIN, MONITOR, OFF); Delay(0 - 74msec); HPF/LPF(cutoff frequency 20Hz~20kHz with polarity control); Speaker Processor(6 band PEQ + Limiter + Delay)
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Latency
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1.5 msec (Analog Input to Speakers)
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Presets
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8 user amplifier presets (Factory preset: Speaker presets for Yamaha passive speakers)
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Protection circuit
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Load protection
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POWER switch on/off: Output mute; Output voltage protection: Over voltage limiter, user configurable by wattage and speaker preset; DC-fault: Power Supply shutdown (NOT restored automatically)
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Amplifier protection
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Thermal: Output limiter (Restored automatically) → Output mute (Restored automatically); Over current: Output mute (Restored automatically); Over voltage: Output limiter (Restored automatically); Integrated Power Limit: Output limiter (Restored automatically)
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Power supply protection
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Thermal: Output limiter (Restored automatically) → Power supply shutdown; Over voltage: Power supply shutdown; Over current: Power supply shutdown
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Amplifier class
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Class D, Balanced output circuit (BTL)
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Cooling
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16 step variable speed fan x 2, front to rear airflow
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Power requirements
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Depending on area of purchase; 100V 50Hz/60Hz, 120V 60Hz, 220V-240V 50Hz/60Hz *Verified as operating at rated power voltage +/- 10% voltage.
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Power consumption
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230W (1/8 MAX power, 4Ω, Pink noise at all channels), 55W (4Ω, Idling)
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Dimensions
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W
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480mm (18-7/8")
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H
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88mm (3-7/16"): 2U
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D
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388mm (15-2/8")
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Net weight
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6.9 kg (15.21 lbs)
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Accessories
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USB cover, Owner's Manual, Specification sheet, AC cable (2.0m) x 1
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Others
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Operating Temperature: 0°C to +40°C, Storage temperature: -20°C to +60°C
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