McIntosh MCC404M Manuel du propriétaire télécharger pdf (Page 14)

How to Operate in Four or Three Channel Mode

How to Operate Four Channel Mode How to Operate Three Channel Mode

In the 4 Channel Operating Mode, all channels operate as

independent 100 watt amplifiers. A typical four channel

application is to drive a pair full range loudspeakers in the

front section of a vehicle and a second pair in the rear. Re-

fer to figures 9 and 10.

Power

The MCC404/MCC404M will turn on or off when the

Control Center turns On or Off.

Note: There must be an Amp ON connection between the

MCC404/MCC404M and the signal source unit in order

for the amplifier power turn On and Off to function.

Input Source

Set the Channel 3&4 INPUT SOURCE Switch to the 3, 4

position for 4 Channel Mode.

Sensitivity Controls

The Sensitivity Controls allow setting of the input level of

all four amplifier channels to provide an ideal match for the

signal source being used.

Output Mode

Set both OUTPUT MODE Switches to the STEREO posi-

tion to configure the amplifier for 4 channel operation.

High Pass Filter

Set the High Pass Filters Frequency Controls to 50 and the

MULTIPLIER Switch to X.1. This will pass the full au-

dible spectrum yet filter out power-robbing sub-sonics be-

low 5 Hz.

Low Pass Filter

Set the Low Pass Filter Switches to the OUT position since

both channels are operating at full frequency range.

In the Three Channel, Tri-amp Mode, channel 1 operates as

a 100 watt amplifier for the tweeter, channel 2 operates as a

100 watt amplifier for the mid-range and bridged channels

3&4 operate as a 400 watt amplifier driving a woofer.

Power

The MCC404/MCC404M will turn on or off when the con-

trol center turns On or Off.

Note: There must be an Amp ON connection between the

MCC404/MCC404M and the signal source in order for

the amplifier turn On and Off to function.

Input Source

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

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 adjusts

the woofer level balance and Sensitivity Control 4 has no

effect.

Output Mode

Set the Channels 1-2 OUTPUT MODE Switch to the STE-

REO position. Set the Channels 3-4 OUTPUT MODE

Switch to the BRIDGED position.

High Pass Filter

Set both the High Pass Filters FREQUENCY Controls to

50 and the MULTIPLIER Switches to X.1.

Low Pass Filter

Set the Low Pass Filter Switches to OUT.

Figure 9

Figure 10

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 20

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McIntosh MCC404M Manuel du propriétaire Page 14

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