Crown CMA-1 Manuel d'instructions télécharger pdf (Page 11)

4-CHANNEL WIRING

The amplifier inputs are white cables. Each cable is marked with a numbered band at the end of the

cable.

1. Refer to

Figure 7 for the following connections:

Connect CH 1 signal (left-front) to white input cable 1.

Connect CH2 signal (right-front) to white input cable 2.

Connect CH3 signal (left-rear) to white input cable 3.

Connect CH4 signal (right-rear) to white input cable 5.

NOTE: White input cable 4 is not used. To avoid accidental shorting of this cable to the chassis, and

to reduce noise, use a wire nut to connect the “hot lead” and shield in white cable 4.

2. Set the amplifier switch to 4 CH as in

Figure 8. This provides the following output powers:

CH1: 50 W at 4 ohms

CH2: 50 W at 4 ohms

CH3: 100 W at 8 ohms

CH4: 100 W at 8 ohms

(These are minimum recommend loads.)

3. Refer to

Figure 7. Connect the speakers as follows. Route the CMA-1 colored output cables

separate from its white input cables to prevent oscillations. Using crimp terminals, connect the

CMA-1 colored cables to the speaker terminals, taking care to observe the cables colors and

polarities noted below:

Blk/Wht: CH 1 + Left-Front Speaker

Blk: CH 1 -

Wht/Red: CH 2 + Right-Front Speaker

Wht: CH 2 –

Red/Wht: CH 3 + Left-Rear Speaker or Left Subwoofer

Grn/Yel: CH 3 +

Blu/Red: CH 4 + Right–Rear Speaker or Right Subwoofer

Yel/Red: CH 4 -

NOTE: The Red and Green cables are not used. To avoid accidental shorting of these cables, clip

exposed ends back to the insulation, and cover with electrical tape.

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Crown CMA-1 Manuel d'instructions Page 11