Crown PIP-ISO Información técnica descargar pdf (Pagina 11)

Macro-Tech 600/1200/2400 Power Amplifiers

Page 11

3.3 Wiring

This section describes the most common ways to in-

stall your amplifier in a sound system. The input and

output terminals are located on the back panel. Please

use care when making connections, selecting signal

sources and controlling the output level. The load you

save may be your own! Crown assumes no liability for

damaged loads resulting from careless amplifier use

or deliberate overpowering.

CAUTION: Always remove power from the unit and

turn the level controls off while making or chang-

ing connections.

This is very important when loud-

speakers are connected because it reduces the

chance of loud blasts that can cause loudspeaker

damage.

Macro-Tech

amplifiers may be operated in one of three

modes (Stereo, Bridge-Mono, and Parallel-Mono) by

switching the stereo/mono switch on the back panel.

There are VERY IMPORTANT wiring differences among

these three modes which will be discussed next.

MIXER

CHANNEL 1

LOUDSPEAKER

–

CHANNEL 2

LOUDSPEAKER

CHANNEL 2

CHANNEL 1

STEREO MODE

Macro-Tech Amplifier

CH-2 CH-1

STEREO

BRIDGE

MONO

PARALLEL

MONO

INPUTS

OUTPUTS

INPUT INPUT

CH-2 CH-1

CAUTION:

TURN OFF AMPLIFIER

BEFORE CHANGING THIS SWITCH!

STEREO

BRIDGE

MONO

PARALLEL

MONO

PUSHPUSH

Fig. 3.4 Stereo Wiring

3.3.1 Stereo (Two-Channel) Operation

In Stereo mode, installation is very intuitive: input Chan-

nel 1 feeds output Channel 1, and input Channel 2

feeds output Channel 2. To put the amplifier in Stereo

mode, first turn off the amplifier, then slide the stereo/

mono switch to the center position, and properly con-

nect the output wiring as shown in Figure 3.4. A pair of

5-way binding posts is provided for each channel to

facilitate easy connection of loudspeaker wires. Ob-

serve correct loudspeaker polarity and be very careful

not to short the two outputs.

CAUTION: In Stereo mode, never parallel the two

outputs by directly tying them together, and never

parallel them with the output of another amplifier.

Such a connection does not result in increased power

output, but may result in overheating and premature

activation of the protection circuitry.

Note: A method for paralleling multiple amplifiers for

fail-safe redundancy is available from Crown’s Techni-

cal Support Group.

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