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Crown 1160A Supplementary Manual

Crown 1160a: supplementary guide.
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C O M M E R C I A L
A U D I O
S E R I E S
1160A
Architectural & Engineering Specifi cations
1160A
Rear Panel Controls and Connectors
®
The Crown
1160A shall be an amplifi er for commercial and industrial
Rear panel controls and connectors shall include the following:
audio. It provides 4-ohm and constant-voltage outputs (70V and 100V).
Reset Button: Resets the circuit breaker that protects the power supply;
The 1160A has 1 input and one 160W power amplifi er for single-zone
220/230/240V units shall have a fuse instead. AC Power Inlet: Detachable
systems.
IEC. Auxiliary Power Input: 2-position terminal strip for 24 VDC (±10%)
backup power; accepts up to 14 AWG terminal forks. Amplifi er Output
Connector: 4-position terminal strip with COM (Common), 4 ohms, 70V
Specifi cations
and 100V terminals; accepts up to 10 AWG terminal forks, non-touch
The 1160A shall have the following specifi cations:
cover included. Output VCA Connector: 4-pin Phoenix-type connector for
two VCA control lines of +10 VDC and ground; compatible with Crown
Minimum guaranteed power into 4 ohms or 70V/100V output: 160W maxi-
1-VCAP and 4-VCAP modules. Line Out Connector: One 3-pin balanced
mum power at 1 kHz with 0.5% THD. Frequency Reponse (at 1 watt from
Phoenix-type connector, post master, pre-VCA, level controlled by master
4-ohm tap): 70 Hz - 19 kHz +/– 1 dB. Frequency Response (at line out): 20
volume control. Amp Input Connector: 3-pin Phoenix-type, high-imped-
Hz to 20 kHz +/–1 dB. Power Bandwidth (at 4-ohm tap, 2 dB below maxium
ance balanced.
1 kHz power): 50 Hz to 20 kHz with < 0.5% THD. Signal to Noise Ratio (ref.
to rated power, master volume at minimum): 85 dB. DC Output Offset:
< ±5 mV. THD: Less than 0.5% at rated power at 1 kHz. Input Sensitivity
Miscellaneous
(for full output at maximum gain): 800 mV. Input Impedance (nominal):
Cooling shall be by convection. Included protection mechanisms shall
100 kilohms. Minimum Load Impedance: 100V output 160 ohms, 70V
be current limiting, over-temperature thermal cutout, and DC-fault load
output 80 ohms, 4-ohm output 4/8 ohms. Crosstalk: –70dB at 1kHz. Line
protection.
Output Level (nominal): 1V into 10 kilohms. AC Line Voltages Available:
Included accessories shall be a power cord, detachable rack ears, screws
100V 50/60 Hz, 120V 60 Hz, 220V 50/60 Hz, 230V 50/60 Hz, 240V
for rack ears, non-touch cover for output connectors, Phoenix-type con-
50/60 Hz. Operating Temperature/Humidity: 0 degrees C to 40 degrees
nectors, and spade lugs. Optional accessories shall be a 1-VCAP remote
C at 95% relative humidity (non-condensing). Storage Temperature: –20
volume control for one channel, and a 4-VCAP remote volume control for
degrees C to 85 degrees C.
four channels.
The dimensions of the amplifi er shall allow for 19 inch (48.3 cm) EIA
Front Panel Controls and Indicators
standard (RS-310-B) rack mounting. The amplifi er shall be 3.5 inches (8.9
Front panel controls and indicators shall include the following:
cm) high, and 12.2 inches (31 cm) deep behind the rack-mounting surface
(not including the non-touch cover).
Power Switch: Pushbutton on-off switch. Master Volume Controls: One per
output channel, detented potentiometer with knob. Tone Controls: Bass and
The amplifi er shall weigh 25.3 lb (11.5 kg).
Treble non-detented potentiometers on each channel, Bass ±10 dB at 100
The amplifi er shall be designated the Crown 1160A.
Hz, Treble ±10 dB at 10 kHz. Power Indicator: Blue LED indicates power on.
Output Signal Presence Indicator: Green LED, one for each input channel,
illuminates when input signal exceeds 100 mV (45 dB below full power)
from the 4-ohm tap. Clip Indicators: Red LED, one per output channel,
illuminates at threshold of audible distortion.
Crown International
1718 W. Mishawaka Rd.
Elkhart, IN 46517-9439
TEL: 574-294-8200
FAX: 574-294-8FAX
www.crownaudio.com
Specifi cations subject to change without prior notice. Latest
information available at www.crownaudio.com.
Crown and Crown Audio are registered trademarks of
Crown International.
Printed in U.S.A.
®
© 2007 Crown Audio
, Inc.
9/07 138174-1B

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