Crown cma-1 Instruccion De Instalación

4 

 

 

 The CMA-1 comes complete with: 

 
60-amp fuse 
Fuse Holder 
Input cable harness 
Remote on/off cable 
 
Mounting:  Mount the CMA-1 securely, say to the vehicle chassis or to a wooden panel. Allow 
adequate airspace (at least 1”) and sufficient airflow around the heat fins for cooling. The CMA-1 
may be mounted horizontally or vertically in the trunk or behind rear car seats. DO NOT place the 
CMA-1 in the engine compartment or in an area exposed to a harsh environment. Do not mount near 
the vehicle heater. 
 
Dimensions of the CMA-1 are 16”L x 14-1/2”W x 1-5/8”H. Mounting-hole locations are shown in 
Figure 2. The amplifier can be used as a hole template. 
 
 
 
 

 

 

It is very important to install a 60-amp fuse in the +12VDC power 

wire at the battery. This fuse prevents fires caused by wiring 

shorts to the vehicle chassis due to improper installation or 

unforeseen accidents.  

 

As in any professional installation, fusing the speaker lines is 

highly recommended to protect the speakers. Refer to Figure 1 to 

determine proper speaker-fuse values. 

 

If speaker cables must be spliced to shorten or lengthen them, the 

splices must be mechanically and electrically sound. Simply 

twisting wires together and wrapping with electrical tape is not 

adequate. We strongly recommend insulated crimped terminals, wire  

nuts wrapped with electrical tape, or solder connections with wire 

nuts wrapped with electrical tape.  

 

Avoid pinching or piercing the speaker cable during installation. 

Route speaker cables separate from amplifier- input cables to 

prevent oscillations. Observe proper polarity of plus and minus 

wires when adding wire.  

 

Due to extreme output power, the CMA-1 could, when abused, damage 

certain models of loudspeakers. Use speakers that can handle the 

amplifier power output. After installation, turn up the volume 

slowly and avoid overdriving the speakers.