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d
TOA Electronics Europe GmbH 1
d Instruction Manual
SWITCH-OVER BOX
SOB-1
DESCRIPTION
The switch-over box can be used to switch over
a local PA to a central PA system, or to supply a
line level signal into a local PA amplifier with
priority. 4 switch over contacts are available for
priority control and switching over speakers. A
low impedance speaker can be connected to a
100 volts line via a build-in 5 watts transformer.
SCHEMATICS PCB LAYOUT
SPECIFICATIONS
Audio Input 100 V AC, max. 5W
Audio Output 5 W into 4 ohms
100 mV ... 2V into 10 kohms (adjustable)
Switching Load Relays 100W (100 V AC, 1A)
Relay Voltage 24 V DC, 16 mA
Dimensions (H x W x D) 60 x 100 x 100 mm (without cable inlet)
60 x 100 x 123 mm (with cable inlet)
SOB-1 P1.0
manufactured for
TOA Electronics Europe GmbH
H C
OUT
AF
6
100V
H
1
JP1
C
1
1 2 3 4 5
IN
D3
JP2
dir.
100V
H C
7 8 9 10 11
RY1
D1
R3
4
3
20
4OUT
1
2
1
2
JP3
3
4
R1
R2
H
H C
dir.
4
JP4
C
1812 13 14 15 16 17 19
RY2
D2
C1
JP4
D2
1N4148
CN1
9
10
8
7
6
3
2
1
5
4
4
D3
RY1
1N4148
1N4148
D1
100V 5W
JP2
JP1
T1
1
2
3
1
2
3
11
20
19
18
16
17
15
14
13
12
33nF
47
JP3
1
2
3
4
3
4
1
2
RY2
R2
1.2 k
R1
R3
100
C1
CN2
VR1 1k
2 TOA Electronics Europe GmbH d
OPENING OF THE SWITCH-OVER BOX
You can pull off the top cover by depressing lightly on
both sides at the place indicated in the drawing. This
will loosen the catches.
CLOSING OF THE SWITCH-OVER BOX
Push the top cover onto the top of the housing. Take
care that
- the grooves mesh with each other,
- the snaps are on inner side and
- the top cover snaps in audible.
MECHANICAL CABLE FIXING
The switch-over box is equipped with
3 cable inlets:
two for max. 9 mm and one for max.
13.5 mm cable diameter.
1. Turn off the thread joint and
remove all parts inside the flange.
Remark: the sealing washer will
not be used in the further steps.
2. Push the parts thread joint, ring
and rubber ring in this order onto the cable (refer also to the drawing). Push these
parts close together and let the cable’s end have a length of 20 - 30 cm.
3. Push the cable into the flange until the parts touch the flange’s inner end.
4. Fasten the thread joint by turning clockwise.
snaps
Thread Joint
Metal Ring
Flange
Rubber Ring
Sealing Washer


Produktspecifikationer

Varumärke: Toa
Kategori: ej kategoriserat
Modell: SOB-1

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