Manual MB Quart pab 4100 (page 11 of 88) (English, German, French, Spanish)

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English

MBQR-1

5 channel discrete,

one being mono low pass

You can use this conﬁ guration simply as 4 discrete full range chan-

nels, with a 5th low pass channel. All of the crossovers are bypassed,

except the LOW PASS on channel 5. The 5 channels can also be uti-

lized with an outboard active crossover, or with crossovers in head

units or equalizers.

Interconnect cable checklist:

Connect channel 1&2 inputs to the front output, channels 3&4 to the

rear output, and channel 5 to the mono subwoofer output of a head

unit or in dash equalizer. The LOW PASS ﬁ lter on channel 5 will be

in tandem with that of the source. You can either set it to the same

frequency for a steeper rolloff, or set it to a higher frequency to mi-

nimize it’s effect. By the same reasoning, you could switch channels

1,2,3&4 high pass crossovers in for steeper high pass slopes.

Switch setting checklist:

- INPUT MODE: 5CH DISCRETE

- CH 1/2 X-OVER: FULL

- CH 3/4 X-OVER: FULL

Crossover frequency control checklist:

- CH 1/2 HIGH PASS: N/A

- CH 3/4 HIGH PASS: N/A

- CH 3/4 LOW PASS: N/A

- CH 5 LOW PASS: 100 Hz

Please note that these frequency points are suggestions only. Refer to

the loudspeaker manufacturer speciﬁ cations and the section “Setting

up systems after installation for best performance”

Level control checklist:

Refer to the section “Setting up systems after installation for best

performance”

Minimum ﬁ nal loudspeaker impedances:

2 ohm per channel

MBQR-1

3 or 4 channel discrete,

one being mono low pass

We will use the same basic setup as above to illustrate a 3 channel

arrangement, by mono bridging the stereo channel pairs 1&2, 3&4.

For a 4 channel setup, mono bridge only one set.

Interconnect cable checklist:

- Use 2 Y-adapters RCA cables, one for channels 1&2, and the second

for channels 3&4, to create 2 inputs for channels 1,2,3&4 only, as

shown.

- Connect the positive terminal of channels 1&2 mono speaker to

channel 1+, and its negative terminal to channel 2-. Connect the

positive terminal of channels 3&4 mono speaker to channel 3+, and

its negative terminal to channel 4-.

- Channel 5 is a true single channel, and as such is not bridgeable.

Minimum ﬁ nal loudspeaker impedances:

- 2 ohm per channel in stereo mode

- 4 ohm per mono bridged pair

- 2 ohm on channel 5

AMPLIFIER APPLICATIONS

PAB 5400 5-Channel Ampliﬁ er

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MB Quart pab 4100 Manual

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