Crown Audio CH Series, CL Series operation manual Model CH4 Stereo Mode, Model CH4 Bridge Mode

CH and CL Series Power Amplifiers

2Setup

2.7.3Model CH4 Stereo Mode

See Figure 2.12. In this example, Channel 1 is wired to a 4/8 ohm load and Channel 2 is wired to a 70V load.

Make sure the Mode switch is set to the “Stereo” position. Set the Channel Operation Switch to 4/8 ohms on Channel1, and to 70V on Channel 2.

INPUTS: Connect input wiring for each channel.

OUTPUTS:

•Connect Channel 1 positive (+) speaker lead to Channel 1 positive (+) terminal of amp.

•Connect Channel 1 negative (–) speaker lead to Channel 1 negative (–) output terminal of amp.

•Connect Channel 2 positive (+) transformer lead to Channel 2 positive terminal of amp.

•Connect Channel 2 negative (–) transformer lead to Channel 2 negative (–) output terminal of amp.

Refer to Section 2.5 for output connector pin assignments.

2.7.4 Model CH4 Bridge Mode

See Figure 2.13. In this example, a 4/8-ohm load is connected in Bridge Mono across the positive terminals of Channel 1 and Channel 2. Both Channel Operation Switches are set to 4/8 ohms. Make sure the Mode switch is set to the “Bridge” position.

NOTE: When operating in Bridge-Mono mode, turn down (full CCW) the level control for Channel 2, as the Channel-1 level control works both channels.

INPUTS: Connect input wiring to Channel 1.

OUTPUTS: Connect positive (+) speaker lead to Channel 1 positive (+) terminal of amp. Connect negative (–) speaker lead to Channel 2 positive

(+)terminal of amp. Do not connect to negative output terminals.

Refer to Section 2.5 for output connector pin assignments.

8 or 4 ohms

70 V

Figure 2.12 Model CH4 Wiring for Stereo Mode

(Shown with No-Touch Cover Removed)

+

Mixer

Figure 2.13 Model CH4 Wiring for Bridge Mode

(Shown with No-Touch Cover Removed)

page 10 Operation Manual