McIntosh MCC204 Owner's Manual download pdf (Page 15)

How to Operate in Two Channel or Subwoofer Mode

How to Operate in Two Channel Mode How to Operate in Subwoofer Mode

In the Two Channel Mode, Channels 1 and 2, and Channels

3 and 4 operate in bridged configuration as a pair of full

frequency range 200 watt amplifiers. A typical application

is use of a more powerful amplifier for stereo reproduction.

Refer to figures 7 and 8.

Power

The MCC204 will turn On or Off when the Control Center

turns On or Off.

Note: There must be an Amp ON connection between the

MCC204 and the signal source unit in order for the

amplifier power turn On and Off to function.

Input Source

Set the Channel 3-4 SOURCE Switch to 3, 4.

Sensitivity Controls

The Sensitivity Controls 1 and 3 allow the setting of input

level of both bridged pairs of amplifier channels to provide

an ideal match for the signal source being used.

Mode

Set both the Channel 1-2 MODE Switch and the Channel

3-4 MODE Switch to the BRidged position to configure

the amplifier for two channel operation.

Crossover

Set the CROSSOVER Switches to the OUT position since

both bridged channels are operating at full frequency

range.

In the Sub Woofer Mode, Channels 1 and 2 operate as in-

dependent 50 watt amplifiers, driving two midrange and

high frequency or full range speakers. Channels 3 and 4

operate in Bridged Mode as a single 200-watt amplifier,

driving a low frequency speaker. A typical Subwoofer Ap-

plication is to drive two upper-range loudspeakers and one

woofer or subwoofer. Refer to figures 7 and 8.

Power

The MCC204 will turn On or Off when the Control Center

turns On or Off.

Note: There must be an Amp ON connection between the

MCC204 and the signal source unit in order for the

amplifier power turn On and Off to function.

Input Source

Set the Channel 3-4 SOURCE Switch to the 1-4 (SUB) po-

sition to send the summed signals from Input 1 and 2 to the

Bridged Channels 3 and 4 for low-pass filtering.

Sensitivity Controls

The Sensitivity Controls allow setting the input level of

Amplifier Channels 1, 2 and 3 to provide an ideal match

for the signal source being used. Sensitivity Control 3 ad-

justs the subwoofer level balance and Sensitivity Control 4

has no effect.

Output Mode

Set the Channels 1-2 MODE Switch to the STereo position

and the Channels 3-4 MODE Switch to the BRidged posi-

tion to operate in the Subwoofer Mode.

Crossover

Set the Channel 1-2 CROSSOVER Switch to the HP Posi-

tion and the Channel 3-4 CROSSOVER Switch to the LP

Position. Adjust the CROSSOVER FREQUENCY Control

for both Channels 1-2 and 3-4 to the same frequency set-

ting. The selection of the Crossover Frequency should be

determined by the recommendations of the Loudspeaker

Manufacturer for the best performance.

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McIntosh MCC204 Owner's Manual Page 15

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