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Note: Before making any connections, make sure that the subwoofer and
amplifier are switched "OFF".
The Mezzo 9 can be used in two basic configurations:
1. With an amplifier without a dedicated filtered Subwoofer output.
2. With an amplifier (such as a home cinema receiver) which does have a
dedicated filtered Subwoofer output.
In fact if required it is possible to make both connections at the same time
and switch between them (see details later).
Amplifiers without a dedicated Subwoofer output:
For this configuration there are two options, either you can connect the
Mezzo 9 to the amplifiers preamp output or its speaker outputs (the
Mezzo 9 uses whichever you choose automatically). In both cases the
Mezzo 9 then performs the required low-pass filtering and summing to
mono internally to create a subwoofer channel. See below:
Option 1
Option 2
A high quality stereo phono/RCA cable is the preferred connection type,
use the high-level connection option below only if your amplifier does not
feature pre-amp outputs.
In this case, use speaker cable or other wire. The Mezzo 9 presents a high
input impedance to the amplifier and is wired in parallel with the main
speakers. The Mezzo 9 will not draw any significant current from the
amplifier and so a large gauge speaker cable is not required, small gauge
cable can be used, and as the amplifiers output impedance will normally
be very low screened cable is not required.
7. Connections
HIGH
LEVEL IN
LEFT
RIGHT
2-channel connections
Pre-amp output
HIGH
LEVEL IN
LEFT
RIGHT
High Level In
Amplifier
Loudspeaker Loudspeaker
6. Bottom panel
Line In L/R
Phono/RCA cables can be connected here from an amplifiers line level
Preamp / Subwoofer output.
Line Out L/R
Phono/RCA cables can be connected here to loop the Line In signal
onwards to another Subwoofer.
LFE (Low Frequency Effects)
In - Single phono cable can be connected here from a home cinema
receiver’s LFE/Subwoofer output.
Out - Single phono cable can be connected here to loop the LFE In signal
onwards to another Subwoofer.
Trigger
In - Single cable can be connected here from a device that has a Trigger
output. A 5-12V DC trigger input will wake the Subwoofer up from
Standby.
Out - Single cable can be connected here to loop the Trigger In signal to
another device.
1
2
3
4
High Level Input L/R
Speaker cable or other wire can be connected here from an amplifiers high
level loudspeaker terminals. The Mezzo 9 presents a high input impedance
to the amplifier and can be wired in parallel with the main speakers.
The Mezzo 9 will no draw any significant current from the amplifier and so
a large gauge speaker cable is not required.
Mains Voltage Selector Switch
Switches the mains voltage between 115V and 230V. For use by installer/
dealer only.
Power On/Off
Switches the subwoofer on and off.
AC power socket
Once you have completed all the connections to the subwoofer, plug the
AC power cable into an appropriate mains socket then switch on. Your
subwoofer is now ready for use.
5
6
7
8
HIGH
LEVEL IN
LEFT
RIGHT
115V: 6.3AL 250V
230V: 3.15AL 250V
ATTENTION
AFIN D'ASSURER
UNE PRETECTION
PERMANENTE CONTRE
LES RISQUES
D'INCENDIE,
REMPLACE-
RUNIQUEMENT
PAR UN FUSI BLE
DE INDIQUÉ
CAUTION
FOR CONTINUED
PROTECTION
AGAINST FIRE
HAZARD, REPLACE
ONLY WITH
SPECIFIED FUSE
OFF
ON
POWER AC
230V
115V
Designed in London, England
Caution:
Serial Number Label Removed
Max power consumption: 600W
Active Subwoofer
Caution
Risk of electric shock.
Do not open.
Avis
Risque de choc electrique.
Ne pas ouvrir.
Achtung
Vorm öffnen des gerätes.
Netzstecker ziehen.
N2409
46
Mains Voltage
Selector Switch
115V/230V
AC ~ 50/60Hz
6/3A
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference, including interference that may cause undesired operation.
www.mordaunt-short.com
HIGH
LEVEL IN
LEFT
RIGHT
115V: 6.3AL 250V
230V: 3.15AL 250V
ATTEN TIO N
AFIN D'ASSURER
UNE PRETECTION
PERMANENTE CONTRE
LES RISQUES
D'INCENDIE,
REMPLACE-
RUNIQUEMENT
PAR UN FUSIBLE
DE INDIQUÉ
CAUTION
FOR CONTINUED
PROTECTION
AGAINST FIRE
HAZARD, REPLACE
ONLY WITH
SPECIFIED FUSE
OFF
ON
POWER AC
230V
115V
Caution:
ber Label Removed
Caution
Risk of electric shock.
Do not open.
Avis
Risque de choc electrique.
Ne pas ouvrir.
Achtung
Vorm öffnen des gerätes.
Netzstecker ziehen.
N2409
46
Mains Voltage
Selector Switch
115V/230V
AC ~ 50/60Hz
6/3A
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference, including interference that may cause undesired operation.
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