Crown CT 4150 User Manual

4.4 Choose Input Wire  
and Connectors
Crown recommends using pre-built or 

professionally wired balanced line (two-

conductor plus shield).  Balanced wiring provides 

better rejection of unwanted noise and hum but 

unbalanced line may also be used.  For more 

information, refer to the Crown Amplifier 

Application Guide, available online at www.

crownaudio.com.
Use 3-pin Phoenix-type cable ends at the amp 

input connectors.
Figure 4.4.1 shows connector pin assignments 

for balanced wiring and figure 4.4.2 shows 

connector pin assignments for unbalanced wiring.
NOTE: Custom wiring should only be 

4 Setup

4.5 Choose Output Wire and 
Con nectors
Crown recommends using professionally 

constructed, high quality, two-conductor, heavy 

gauge speaker wire and connectors.  Use 2-pin  

Phoenix-type connectors (Included with the 

amp).
Suggested below are guidelines to select the 

appropriate size of wire based on the distance 

from amplifier to speaker. Check with local code 

as this may vary.

up to 25 ft. (7.6m)

16 AWG

26-40 ft. (7.9-12.2m)

14 AWG