The 1160A shall have the following specifi cations:

Minimum guaranteed power into 4 ohms or 70V/100V output: 160W maximum

power at 1 kHz with 0.5% THD. Frequency Reponse (at 1 watt from

4-ohm tap): 70 Hz - 19 kHz +/– 1 dB. Frequency Response (at line out): 20

Hz to 20 kHz +/–1 dB. Power Bandwidth (at 4-ohm tap, 2 dB below maxium

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

(for full output at maximum gain): 800 mV. Input Impedance (nominal):

100 kilohms. Minimum Load Impedance: 100V output 160 ohms, 70V

output 80 ohms, 4-ohm output 4/8 ohms. Crosstalk: –70dB at 1kHz. Line

Output Level (nominal): 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. Operating Temperature/Humidity: 0 degrees C to 40 degrees

C at 95% relative humidity (non-condensing). Storage Temperature: –20

degrees C to 85 degrees C.

Front Panel Controls and Indicators

Front panel controls and indicators shall include the following:

Power Switch: Pushbutton on-off switch. Master Volume Controls: One per

output channel, detented potentiometer with knob. Tone Controls: Bass and

Treble non-detented potentiometers on each channel, Bass ±10 dB at 100

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.

Rear Panel Controls and Connectors

Rear panel controls and connectors shall include the following:

Reset Button: Resets the circuit breaker that protects the power supply;

220/230/240V units shall have a fuse instead. AC Power Inlet: Detachable

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

and 100V terminals; accepts up to 10 AWG terminal forks, non-touch

cover included. Output VCA Connector: 4-pin Phoenix-type connector for

two VCA control lines of +10 VDC and ground; compatible with Crown

1-VCAP and 4-VCAP modules. Line Out Connector: One 3-pin balanced

Phoenix-type connector, post master, pre-VCA, level controlled by master

volume control. Amp Input Connector: 3-pin Phoenix-type, high-impedance

balanced.

Miscellaneous

Cooling shall be by convection. Included protection mechanisms shall

be current limiting, over-temperature thermal cutout, and DC-fault load

protection.

Included accessories shall be a power cord, detachable rack ears, screws

for rack ears, non-touch cover for output connectors, Phoenix-type connectors,

and spade lugs. Optional accessories shall be a 1-VCAP remote

volume control for one channel, and a 4-VCAP remote volume control for

four channels.

The dimensions of the amplifi er shall allow for 19 inch (48.3 cm) EIA

standard (RS-310-B) rack mounting. The amplifi er shall be 3.5 inches (8.9

cm) high, and 12.2 inches (31 cm) deep behind the rack-mounting surface

(not including the non-touch cover).

The amplifi er shall weigh 25.3 lb (11.5 kg).

The amplifi er shall be designated the Crown 1160A.