Connecting Three SRX-500 Speakers
The Three SRX-500 speakers (each speaker can handle
400W of power) should be wired in parallel as shown in
figure. The resulting impedance of the speaker system is
2.66 . Thus they should be connected to the 2 tap of
the amplifier.
High Impedance Speakers or Speakers Using A
100V Line Matching Transformer
l
Only Driver Units / Horn Speakers / Column Speakers
with 100V Line Matching Transformers are to be
connected to COM-70V / 100V Terminal Strip.
l
The Box Speaker / Driver Unit switch must be kept at
Driver Unit position.
l
When any of the above speakers are connected to the
COM-70V / 100V Terminal Strip then NO Box speakers
should be connected to the COM-2 /4 Terminal Strip.
l
The power drawn from the amplifier should not exceed
1000 Watts.
Connecting Seventy Driver Units with 100V LMT
100 Driver Units with 100V Line Matching Transformer
connected at 10 Watts tap can be operated.
Connecting a Combination of Driver Units and
Column Speakers with 100V LMT
60 Driver Units with 100V LMT at 10 Watts and 80
Column Speakers with 100V LMT at 5 Watts can be
connected together. The power drawn from the amplifier
should not exceed 1000 Watts.
1
20W
15W
10W
5W
2
20W
15W
10W
5W
60
20W
15W
10W
5W
10W
7.5W
5W
1
10W
7.5W
5W
2
10W
7.5W
5W
COM
COM
COM
COM
COM
COM
10
Speaker Connection Guidelines....
Resultant Impedance = (8 Ohm / 3) = 2.66 Ohm
COM
2
4
COM
70V
100V
1
20W
15W
10W
5W
2
100
COM
20W
15W
10W
5W
COM
20W
15W
10W
5W
COM
COM
70V
100V
COM
70V
100V
80
SSA-10000
+
-
SRX-500
8
+
-
SRX-500
8
+
-
SRX-500
8
Connecting a combination of Wall and Ceiling
Speakers with 100V LMT
130 Ceiling Speakers with 100V LMT at 4 Watts and
80 Wall Speakers with 100V LMT at 6 Watts can be
connected together. The power drawn from the amplifier
should not exceed 1000 Watts.
Use of 70 Volt Line
A loudspeaker / Driver Unit with its LMT adjusted to the
15W tap, when connected to COM and 100V terminals
on the Amplifier's Terminal Strip will draw 15W from the
Amplifier but when the same is connected to COM and
70V it will only draw half power i.e. 7.5W. A good use of
70V line tap can be made in installations where large
number of Speakers / Driver Units are to be installed for
more even distribution of sound.
Correct Phasing of Loudspeakers
l
When two or more Speakers / Units are installed in the
same area and are facing the same direction, it is
essential that their cones / diaphragms act in unison.
Otherwise the sound level of one speaker will be
cancelling the sound level of the other. To avoid any
mistake, the terminals of Box speakers and the Driver
Units are marked '+' & '-'. Always connect the COM of the
Amplifier to '-' of speaker & 2 /4 of the amplifier to the
'+' of the speakers.
l
In case of LMT’s the COM of all the LMT’s should be
connected to the COM of the red strip terminal of the
amplifier and the power tap to 100V line as shown in
figure.
IMPORTANT
l
l
When 70 / 100 Volt line is being used, no speakers / driver units should be connected to 2 / 4 (Low
Impedance) Tap.
Loudspeaker / driver unit should be connected to either COM-100V or COM-70V terminals, but never to
more than one set of terminals.
-
+
11
Speaker Connection Guidelines....
1
2W
1W
4W
COM
2
2W
1W
4W
COM
130
2W
1W
4W
COM
1
3W
1.5W
6W
COM
2
3W
1.5W
6W
COM
80
3W
1.5W
6W
COM
COM
70V
100V
SSA-10000
