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Technical Manual
IRS Sigma
MID-BASS
TRANSDUCER
902-7379
LOW FREQUENCY
TRANSDUCER
902-7502
16" BLUE
+
Input From
Switchboard
-
16" GREEN
16" WHITE
+
Input From
Switchboard
16" ORANGE
-
16" YELLOW
+
Input From
Switchboard
16" BROWN
-
+
Input From
Switchboard
-
Infinity Systems, Inc. 250 Crossways Park Dr., Woodbury, New York 11797
WIRING DIAGRAM
MIDBASS
NETWORK
A020-7397
BROWN
YELLOW
YELLOW
BROWN
BLACK
40" BLK
-
RED
40" RED
+
RED
GRAY
WOOFER
NETWORK/BOARD
A017-7398
MIDRANGE/TWEETER PCB SCHEMATIC
TC1
TR1
1.8 uF
6.8 ohms
POLYP
5 WATTS
TR2
TC2
6.8 ohms
1.8 uF
POLYP
5 WATTS
MC1
MR1
16.0 uF
ML1
0.91 ohms
POLYP
0.43 mH
5 WATTS
MC2
MR2
0.91 ohms
16.0 uF
5.1 uF
5 WATTS
POLYP
POLYP
BC1
BR1
5.1 uF
BL1
3.0 ohms
POLYP
3.10 mH
25 WATTS
BC2
97.0 uF
100v
BC3
5.1 uF
POLYP
WL1
WL2
6.40 mH
3.50 mH
25" RED
WC1
600.0 uF
100v
25" BLACK
FREQUENCY
MID/TWT
TRANSDUCER'S
NETWORK
A020-7396
GREEN
BLUE
GREEN
WHITE
ORANGE
BLUE
IRS Sigma
INPUT ASSY
A017-7399
TC3
TR3
5.1 uF
JUMPER
POLYP
REV 1
TR3 1.0 ohms
5.0 Watts
REV 0
TL1
TL2
0.15 mH
1.36 mH
62" GREEN
MC5
68.0 uF
ML3
POLYP
0.10 mH
MC3
MC4
ML2
18.0 uF
0.45 mH
100v
MIDBASS PCB SCHEMATIC
BC6
120.0 uF
BL3
100v
1.00 mH
BC5
5.1 uF
POLYP
BC4
BL2
155.0 uF
2.00 mH
100v
WOOFER BOARD SCHEMATIC
WC3
700.0 uF
100v
WC2
700.0 uF
WL3
100v
15.0 mH
WR2
1.5 ohms
WC4
25 WATTS
250.0 uF
100v
WR1
3.6 ohms
50 WATTS
2
HIGH
MID
FREQUENCY
TRANSDUCER
902-5228
902-5339A
FRONT
REAR
WHITE
ORANGE
60" BLUE
+
FRONT
TWEETER
-
R1
-
8.0 ohms
REAR
5 WATTS
TWEETER
+
49" WHITE
+
MC6
3.0 uF
POLYP
49" ORANGE
-
33" YELLOW
+
BC7
BC8
M.B.F.
2.0 uF
18.0 uF
POLYP
100v
35" BROWN
-
40" RED
+
L.F.
30" RED
A
TO SWITCH
BOARD
35" GRAY
B
40" BLACK
-
H.F.
M. F.
07/00
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