Bridge Mono Mode

This mode combines the full power capabilities of both channels into a single speaker system. The amplifier internally re-configures so that both channels operate as a unit. This delivers double the output voltage, resulting in four times the peak power and three times the sustained power into a single 8 or 4Ω speaker load. The Bridge Mono mode section on page 7 describes the special speaker connection used.

Examples:

•Driving a single 8Ω speaker with the combined 4Ω power of both channels.

•Driving a single 4Ω speaker with the combined 2Ω power of both channels. Precautions:

•Bridge Mono mode makes it possible to drive thousands of watts into a single speaker. AC current consumption will usually be higher. Avoid excessive signal level, and make sure the wiring and speaker can handle the power.

•If the load is 4Ω or less and prolonged overloads occur, the amplifier will probably mute for several seconds during peaks, and the circuit breaker may trip.

•Do not use 2Ω loads.

•Ensure Channel 2 dip switches are set to off (Figure 18), and Channel 2 attenuation control is set to maximum attenuation.

See the additional Bridge Mono precautions on page 7.

– Figure 18 –

QSC Audio CMX 300V, CMX 800V Bridge Mono Mode, Set Channel 2 dip switches, 8 and 10, to off

Bridge Mono Mode

Set Channel 2 dip switches, 8 and 10, to off.