4 specifications – Crown Audio Commercial Audio Series (180A-280A-660A-1160A) User Manual
Page 15
Commercial Audio Series Amplifiers
page 15
Operation Manual
Minimum Guaranteed Power
180A
280A
1160A
660A
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
60W
Performance
180A
280A
1160A
660A
Number of input channels
1
2
1
6
Number of power amplifier channels
1
2
1
6
Input Sensitivity (volts RMS) for full output at maximum gain
800 mV
800 mV
800 mV
800 mV
Frequency Response (at 1 watt from 4-ohm tap, 70 Hz - 19 kHz)
± 1 dB
± 1 dB
± 1 dB
± 1 dB
Frequency Response (at line out, 20 Hz to 20 kHz)
± 1 dB
± 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
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
85 dB
Total Harmonic Distortion (THD) at rated power at 1 kHz
< 0.5%
< 0.5%
< 0.5%
< 0.5%
Input Impedance (nominal)
100 kilohms
100 kilohms
100 kilohms
100 kilohms
Minimum Load Impedance
100V output: 160 ohms
70V output: 80 ohms
4-ohm output: 4/8 ohms
Crosstalk (all controls at “10”)
–70 dB at 1 kHz
–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
1V into 10 kilohms
AC Line Voltages Available
100V 50/60 Hz
120V 60 Hz
220V 50/60 Hz
230V 50/60 Hz
240V 50/60 Hz
100V 50/60 Hz
120V 60 Hz
220V 50/60 Hz
230V 50/60 Hz
240V 50/60 Hz
100V 50/60 Hz
120V 60 Hz
220V 50/60 Hz
230V 50/60 Hz
240V 50/60 Hz
100V 50/60 Hz
120V 60 Hz
220V 50/60 Hz
230V 50/60 Hz
240V 50/60 Hz
Operating Temperature/Humidity
0
o
C to 40
o
C at 95% relative humidity
(non-condensing)
0
o
C to 40
o
C at 95% relative humidity
(non-condensing)
0
o
C to 40
o
C at 95% relative humidity
(non-condensing)
0
o
C to 40
o
C at 95% relative humidity
(non-condensing)
Storage Temperature
–20
o
C to 85
o
C
–20
o
C to 85
o
C
–20
o
C to 85
o
C
–20
o
C to 85
o
C
Construction
180A
280A
1160A
660A
Cooling
Convection cooled
Convection cooled
Convection cooled
Convection cooled
Dimensions: Width, Height, Depth (behind mounting surface, not includ-
ing non-touch cover)
EIA Standard 19" W (EIA RS-310-B)
with rack ears
x 3.5" (8.9 cm) H x 12.2" (31.0 cm) D
EIA Standard 19" W (EIA RS-310-B)
with rack ears
x 3.5" (8.9 cm) H x 12.2" (31.0 cm) D
EIA Standard 19" W (EIA RS-310-B)
with rack ears
x 3.5" (8.9 cm) H x 12.2" (31.0 cm) D
EIA Standard 19" W (EIA RS-310-B)
with rack ears
x 3.5" (8.9 cm) H x 12.9" (32.8 cm) D
Net Weight, Shipping Weight
25.3 lb (11.5 kg), 30.3 lb (13.7 kg)
25.3 lb (11.5 kg), 30.3 lb (13.7 kg)
25.3 lb (11.5 kg), 30.3 lb (13.7 kg)
30.3 lb (13.7 kg), 35.3 lb (16.0 kg)
4 Specifications