CH and CL Series Power Amplifiers
2 Setup
2.4Choose Input Wire and Connectors
You have three choices of input connectors:
Figure 2.3 shows balanced connector pin assignments for XLR and phone. Figure 2.4 shows unbalanced connector pin assign- ments for XLR and phone.
Figure 2.5 shows barrier strip input wiring for a balanced signal. Both channels should be wired using a common center terminal for ground connection.
NOTE: Custom wiring should only be performed by qualified personnel.
Figure 2.3 Balanced | Figure 2.4 Unbalanced |
Input Connector | Input Connector |
Wiring | Wiring |
2.5Choose Output Wire and Connectors
Crown recommends using professionally constructed, high- quality, two- or
Figure 2.6 How to
Remove the No-Touch
Figure 2.5 Barrier Strip Input Wiring:
Balanced Signal In
2. SLIDE then
minal strips accept up to 10 AWG terminal forks which fit over a #8 screw.
To prevent the possibility of short circuits, wrap or otherwise insulate exposed loudspeaker cable and connectors. Also, a no- touch cover, which covers the terminal strips, is provided to help prevent short circuits. To remove this cover,
1.Loosen screws inside top and bottom holes of cover (see Fig- ure 2.6).
2.Slide cover up or down, then pull it off away from the amplifier.
Using the guidelines below, select the appropriate size of wire based on the distance from amplifier to speaker.
Distance | Wire Size |
up to 25 ft. | 16 AWG |
14 AWG | |
12 AWG | |
Over 60 ft. | 10 AWG |
3. Reinstall no-touch cover to maintain safety.
CAUTION: Never use shielded cable for output wiring.
Cover
PULL OFF
1.LOOSEN SCREWS
Figure 2.7 CL Series and CH4 Output Connector Wiring
Operation Manual | page 7 |