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WIRING AND INS
TALL
ATION
WIRING AND INSTALLATION
SMX 12A monitors use PowerCON® connectors for the mains power input and link. Figure 5 shows how to
plug-in and connect these wires.
It is recommended to use cables with at least 18 AWG conductor size. For long cable lengths, the maximum
conductor size is 14 AWG. Those wires must be assembled by a qualified technician.
For the audio signals, input and link are done through XLR-3 connectors. They follow the next plug-in and
configuration scheme:
Using the U-bracket
SMX 12UB
and the
PS35
adapter, the SMX 12A can be mounted on a 35 mm standard
speaker stand or mounted on a subwoofer with M20 thread, by using our
SPS20
pole bar. SMX 12A can
also be used for permanent installation.
Depending on room dimensions, acoustics, positioning of SMX 12A and signal character, choose freely one
of the presets which matches best your desired sound performance: if you use the SMX 12A as full-range
box, choose one of the
FULL
settings. If you deploy additional subwoofers, use one of the
TOP
settings.
U-BRACKET MOUNTING
The
SMX 12UB
U-bracket accessory contains:
-
1x
SMX 12UB
U-bracket
-
2x M10 handle screws
-
2x Steel washers
-
2x Silicone washers
As shown in figure 7, this accessory offers great installation versatility thanks to its three mounting positions:
-
Position
A
: for ceiling and truss installation.
-
Position
B
: to use with
SPS20
pole bar. See also figure 10.
-
Position
C
: for a closer wall mounting.
To attach the
SMX 12UB
U-bracket to the SMX 12A:
1. Unscrew the black countersink screws from M10 fly points on the left and right side of SMX 12A.
2. Onto the thread of each M10 handle screw, put first a steel washer and then, a silicone washer.
3. Fix the handle screws into the fly points. Turn 3 or 4 times to keep them in place.
4. Push the silicone washer close to the cabinet's side panel, and the metal washer close to the handle
screw, so the U-bracket arm can easily get between both washers.
5. Place the U-bracket over the left and right handle screws. Make sure the U-bracket arms have the
silicone washer at the side of the box, and the steel washer on the side of the handle screw.
6. Place the U-bracket in the desired position
A
or
B
and tighten softly the handle screws.
Figure 5.
PowerCON® plug-in and link cable connection.
Figure 7.
Different positioning options offered by the
SMX 12UB
U-bracket.
Figure 6.
XLR-3 plug-in and link cable connection.
powerCON IN
powerCON 1
L
L
N
N
powerCON OUT
powerCON 1
Connection
Wiring Scheme
L
N
2
1
XLR-3 IN
Click
Click
2
2
1
1
3
3
XLR-3 OUT
Connection
XLR-3 Female
Shield
Cold
Hot
XLR-3 Male
Wiring Scheme
Position
A
Ceiling/Truss
Pole
Short wall mount
Position
B
Position
C
2
1
2
1
2
1 C
14
13
