Toa AT-4060 AS User manual

4. SPECIFICATIONS
Model
AT-4012 AS
AT-4030 AS
Input Capacity
12 Watt
30 Watt
Attenuations
8 Steps ( 0 dB, -3dB, -6dB, -9dB, -12dB, -15dB, -18dB, OFF )
Override Indicator
Red LED (4-wire connection only)
Overriding Voltage
24V, 11mA DC
(4-wire connection only)
Dimensions
86 (W) x 86 (H) x 24 (D) mm
86 (W) x 86 (H) x 51 (D) mm
Weight
0.12 Kg
0.45 Kg
Color
White (RAL 9016 or equivalent)
Finish
Knob, Cover Panel : ABS Resin, White (RAL 9016 or equivalent)
Front Panel (Plate) : Surface treated steel plate
Terminal
Screw type x 5 ( Terminal )
Usable Cable
Cable range 22 - 14 AWG
INSTALLATION MANUAL
ATTENUATOR AT-4000 SERIES
Please follow the instructions manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
1. WIRING DIAGRAMS
2-wire connection 3-wire connection 4-wire connection
Model
AT-4060 AS
AT-4120 AS
AT-4200 AS
Input Capacity
60 Watt
120 Watt
200 Watt
Attenuations
8 Steps ( 0 dB, -3dB, -6dB, -9dB, -12dB, -15dB, -18dB, OFF )
Override Indicator
Red LED
(4-wire connection only)
Overriding Voltage
24V, 11mA DC (4-wire connection only)
Dimensions
86 (W) x 86 (H) x 51
(D) mm
Hot In COM
N.C N.C
Note : N.C is NOT CONECTED
Hot In COM
Weight
0.46 Kg
0.48 Kg
0.49 Kg
Color
White (RAL 9016 or equivalent)
Finish
Knob, Cover Panel : ABS Resin, White (RAL 9016 or equivalent)
Front Panel (Plate) : Surface treated steel plate
Terminal
Screw type x 5 ( Terminal )
Usable Cable
Cable range 22 - 14 AWG
Note:
2. CONNECTIONS
Strip the shield of the cable approx. 9mm.
After loosening the screws at terminal
block, insert the core of the cables fully
into the specified terminal block. Tighten
the screws and make sure the cables are
not loose.
approx. 9 mm
Cable
Core
Applicable cable :
Range : 22 - 14 AWG
Solid copper wire : 0.6mm - 1.6mm
Stranded copper wire : 0.8mm - 2mm
Back Box is not available for AT-4012 AS.
The design and specifications are subject to change without notice for improvement.
Accessories
Back Box 85.5 (W) x 85.5 (H) x 60 (D) mm ............. 1
Plate mounting screw .............................................2
3. INSTALLATIONS
This product can be installed by Surface Mounting or Flush Mounting. We recommend following
step by step to install this product. For better installation, please consult a contractor, dealer, or
professional installer.
Traceability Information for Europe
Manufacturer:
Authorized representative:
TOA Corporation
TOA Electronics Europe GmbH
7-2-1, Minatojima-Nakamachi, Chuo -ku, Kobe, Hyogo,
Suederstrasse 282, 20537 Hamburg,
Japan
Germany
URL :
https://trungchinhaudio.vn
3.1. SURFACE MOUNTING
To prepare for installation, mark the 4
holes on the wall with the back box as
shown in the picture. For AT-4012 AS
which uses the common electrical box,
check the dimension specifications of the
common electrical box for proper
installation.
4 holes
55
Unit : mm
55
WALL

Step 1. Install the back box with suitable
screws on the surface of the wall.
Step 2. Connect the recommended cable to
the terminal.
WARNING :
Do not supply 24V DC when connect-
ing 4-wire attenuator system.
Cut this area for
the lane cables.
Step 1. Install the back box inside the wall.
Step 2. Connect the recommended cable to
the terminal.
WARNING :
Do not supply 24V DC when connect-
ing 4-wire attenuator system.
Back Box
Cut this
area for the lane cables.
1
The common back box
Step 3. Install the main unit to the back box.
Note :
For AT-4012 AS, the screw size
should be compatible with the
common electrical box specifications.
Step 4. Attach the cover panel to the main
unit attenuator until the hook mount
clips perfectly.
Main unit attenuator
1
Step 3. Install the main unit to the back box.
Note :
For AT-4012 AS, the screw size
should be compatible with the
common electrical box specifications.
Step 4. Attach the cover panel to the main
unit attenuator until the hook mount
clips perfectly.
Support
2
Support
Main unit Attenuator
Screw M3 X 20
Cover Panel
2
3
3
Screw M3 X 20
4
Cover Panel
3.2.2 FLUSH MOUNTING WITHOUT BACK BOX
3 6. 5
Unit : mm
To prepare for installation, mark the
57-60
2 holes
opening on the wall as shown in the
-
3 4 . 5
WALL
picture. This mounting method can be
used for all models.
4
3.2. FLUSH MOUNTING
Flush mounting installation can be implemented in 2 ways, with back box or without back box.
Step 1.
Make opening on the wall.
- 7 3
6 9
Step 2.
Connect the recommended cable to
1
the terminal.
36
3.2.1 FLUSH MOUNTING WITH BACK BOX
To prepare for installation, mark the
opening on the wall with rectangular
pattern as shown in the picture. For AT-
4012 AS which uses the common
65-70
Unit : mm
WARNING :
72
Do not supply 24V DC when
Main unit Attenuator
connecting4-wireattenuator
system.
Screw
electrical box, check the dimension
specifications of the common electrical
box for proper installation.
69 - 73
WALL
Step 3. Install the main unit directly to the
wall using screws that are suitable Cover Panel
for the kind of wall.
Step 4. Attach the cover panel to the main
unit attenuator until the hook mount
clips perfectly.
2
3
4