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MB Quart pab 4100 Manual

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MBQR-1
4
channel full range
s
ystem
Here we show how to use the 4 channel amplifi ers as straightforward
discrete 4 channel full range units.
Interconnect cable checklist:
Connect the four inputs of the amplifi er to a Radio/CD with
quality RCA cables.
Switch setting checklist:
- 1/2CH X-OVER: FULL
- 3/4CH X-OVER: FULL
Crossover frequency control checklist:
Channels 1/2:
Channels 3/4:
- HI PASS: N/A
- HI PASS: N/A
- LOW PASS: N/A
- LOW PASS: N/A
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
2 or 3 channel full range
s
ystem
Here we show how to use the 4 channel amplifi ers as full range 2 or
3 channel units by taking advantage of the mono bridging capability
of all MB QUART amplifi ers.
The following example shows how to create a 3 channel system by
mono bridging channel pair 3/4. In order to create a 2 channel sys-
tem, simply follow the example to also mono bridge channel pair 1/2.
Interconnect cable checklist:
- Connect the inputs of channel pair 1/2 to a suitable stereo source,
e.g. a head unit with good quality RCA cables.
- A MONO signal source is required to bridge channel pair 3/4, such
as would be available from the mono sub bass output of an active
crossover, whether standalone, or built into a head unit or equalizer.
Important:
Important:
Do not be tempted to connect the hot, or positive out-
puts, from any source together to obtain a mono signal, as this
could very well damage the output stage of that source.
- It is necessary to feed the SAME signal to both left and right inputs
via a Y-adapter RCA cable.
- Connect the mono speaker positive terminal to the LEFT +, and its
negative terminal to RIGHT - as shown.
Switch setting checklist:
- 1/2CH X-OVER: FULL
- 3/4CH X-OVER: FULL
Crossover frequency control checklist:
Channels 1/2:
Channels 3/4:
- HI PASS: N/A
- HI PASS: N/A
- LOW PASS: N/A
- LOW PASS: N/A
TIP:
If you are using the mono sub bass output of an active crossover,
there is nothing wrong with switching in the low pass fi lter in these
amplifi ers for a steeper low pass rolloff.
Level control checklist:
Refer to the section “Setting up systems after installation for best
performance”
Minimum fi nal loudspeaker impedances:
- 2 ohm per channel in stereo mode.
- 4 ohm mono bridged.
AMPLIFIER APPLICATIONS
PAB 4100 4-Channel Amplifi er
… 8 …


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