Crown Audio 1160MA Specifications, Commercial Audio Series Mixer-Amplifiers, page, 180MA, 280MA

Commercial Audio Series Mixer-Amplifiers

4 Specifications

Minimum Guaranteed Power	180MA	280MA	1160MA
120 VAC, 60 Hz Units, per channel, all channels driven
1 kHz with 0.5% THD
Minimum guaranteed power per channel into 4 ohms or 70V/100V output	80W	80W	160W

Performance	180MA	280MA	1160MA
Number of input channels	4	8	4
Number of power amplifiers	1	2	1
Input Sensitivity (volts RMS) for full output at maximum gain
Balanced mic inputs	3 mV	3 mV	3 mV
	800 mV	800 mV	800 mV
Balanced line inputs
	400 mV	400 mV	400 mV
RCA connectors
Frequency Response (at 1 watt from 4-ohm tap, 70 Hz - 19 kHz)	± 1 dB	± 1 dB	± 1 dB
Frequency Response (at line out, 20 Hz to 20 kHz)	± 1 dB	± 1 dB	± 1 dB
Power Bandwidth (at 4-ohm tap, 2 dB below maximum 1 kHz power)	50 Hz to 20 kHz with < 0.5% THD	50 Hz to 20 kHz with < 0.5% THD	50 Hz to 20 kHz with < 0.5% THD
Signal to Noise Ratio (ref. to rated power, master volume at minimum)	85 dB	85 dB	85 dB
Total Harmonic Distortion (THD) at rated power at 1 kHz	< 0.5%	< 0.5%	< 0.5%
DC Output Offset	< ± 5 mV	< ± 5 mV	< ± 5 mV
Input Impedance (nominal)	Mic: 400 ohms, Line: 100 kilohms,	Mic: 400 ohms, Line: 100 kilohms,	Mic: 400 ohms, Line: 100 kilohms,
	RCA: 50 kilohms	RCA: 50 kilohms	RCA: 50 kilohms
Crosstalk (all controls at “10”)	–70 dB at 1 kHz	–70 dB at 1 kHz	–70 dB at 1 kHz
Line Output Level (nominal)	1V into 10 kilohms	1V into 10 kilohms	1V into 10 kilohms
Phantom Power	15 VDC	15 VDC	15 VDC
AC Line Voltages Available	100V 50/60 Hz	100V 50/60 Hz	100V 50/60 Hz
	120V 60 Hz	120V 60 Hz	120V 60 Hz
	220V 50/60 Hz	220V 50/60 Hz	220V 50/60 Hz
	230V 50/60 Hz	230V 50/60 Hz	230V 50/60 Hz
	240V 50/60 Hz	240V 50/60 Hz	240V 50/60 Hz
Operating Temperature/Humidity	0o C to 40o C at 95% relative humidity	0o C to 40o C at 95% relative humidity	0o C to 40o C at 95% relative humidity
	(non-condensing)	(non-condensing)	(non-condensing)
Storage Temperature	–20oC to 85o C	–20oC to 85o C	–20oC to 85o C

Construction	180MA	280MA	1160MA
Cooling	Convection cooled	Convection cooled	Convection cooled
Dimensions: Width, Height, Depth (behind mounting surface)	EIA Standard 19" W (EIA RS-310-B)	EIA Standard 19" W (EIA RS-310-B)	EIA Standard 19" W (EIA RS-310-B)
	x 3.5" (8.9 cm) H x14" (35.6cm) D	x 3.5" (8.9 cm) H x14" (35.6cm) D	x 3.5" (8.9 cm) H x14" (35.6cm) D
Net Weight, Shipping Weight	21.0 lb. (9.5 kg), 26.0 lb. (11.8 kg)	25.3lb.(11.5kg),30.3lb.(13.7kg)	25.3lb.(11.5kg),30.3lb.(13.7kg)

Operation Manual page 15