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5. Specifications
SP1200 Block Diagram
L
DIRECT
OUTPUT
R
L
INPUT 1
R
L
INPUT 2
R
L
INPUT 3
R
L
INPUT 4
R
+24VDC
GAIN
+40dB
PHANTOM
GAIN
2
1
PAGING MIC
3
1
GAIN
+40dB
3
+24VDC
GAIN
+40dB
PHANTOM
GAIN
1
MIC/LINE
LO
INPUT A
80
3
GAIN
+40dB
+24VDC
INTERNAL
PHANTOM
TRIM
1
AMBIENT MIC
(ZONE A)
3
BUS
ASSIGN
+
TO EXPANSION I/O
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
+
BUS
—
TO EXPANSION I/O
ASSIGN
+
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
+
BUS
—
TO EXPANSION I/O
ASSIGN
+
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
+
BUS
—
TO EXPANSION I/O
ASSIGN
+
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
LOCAL/REMOTE
+
+
FROM
+
EXPANSION
—
I/O
—
—
+
TO EXPANSION I/O
—
BUS
ASSIGN
TO EXPANSION I/O
MIC
+ —
+
LO
HI
80
12K
—
VOX
ZONE A
PAGE MIC
SWITCH
ALL CALL
CONTROL
GND
HI
12K
TO µP
ADC
DIGITALLY
CONTROLLED
ATTENUATORS
VOX
TO µP
ACTIVATION
(TO µP)
PAGING
MIC VOX
TO EXPANSION I/O
MACKIE INDUSTRIAL
ATTENUATOR
CONTROL
SP1200
(FROM µP)
BLOCK DIAGRAM
(#01.02.01.DF)
3
0
3
6
WOODINVILLE
REDMOND
FROM µP
9
15
MACKIE
30
INDUSTRIAL
55
J6
PROGRAM EQ
EQ
BYPASS
MID FREQ
LO
HI
80
12K
DIGITALLY
CONTROLLED
ATTENUATOR
V+
ZONE A
AMP IN
FROM
TEMP
OVERLOAD
SENSOR
(ON HEATSINK)
V—
V+
V—
–15VDC (w/J2 INSTALLED)
N/C
PAGING MIC (+)
INPUT 4 RIGHT (+)
INPUT 4 LEFT (+)
INPUT 3 RIGHT (–)
INPUT 3 LEFT (–)
GROUND
INPUT 2 RIGHT (+)
INPUT 2 LEFT (+)
INPUT 1 RIGHT (–)
INPUT 1 LEFT (–)
–15VDC (w/J2 INSTALLED)
N/C
PAGING MIC (+)
INPUT 4 RIGHT (+)
INPUT 4 LEFT (+)
INPUT 3 RIGHT (–)
INPUT 3 LEFT (–)
GROUND
INPUT 2 RIGHT (+)
INPUT 2 LEFT (+)
INPUT 1 RIGHT (–)
INPUT 1 LEFT (–)
EXPANSION OUT
TO µP
ADC
J4
INSERT
(INTERNAL
FOR OPTIONAL
DSP CARD)
ZONE A
PRE OUT
LEFT/ZONE A
OUTPUT
+
PROTECTION
—
70V/100V
8Ω
EXPANSION IN
13
25
+15VDC (w/J3 INSTALLED)
PAGING MIC CONTROL
PAGING MIC (–)
INPUT 4 RIGHT (–)
INPUT 4 LEFT (–)
GROUND
INPUT 3 RIGHT (+)
INPUT 3 LEFT (+)
INPUT 2 RIGHT (–)
INPUT 2 LEFT (–)
GROUND
INPUT 1 RIGHT (+)
INPUT 1 LEFT (+)
14
1
13
25
+15VDC (w/J3 INSTALLED)
PAGING MIC CONTROL
PAGING MIC (–)
INPUT 4 RIGHT (–)
INPUT 4 LEFT (–)
GROUND
INPUT 3 RIGHT (+)
INPUT 3 LEFT (+)
INPUT 2 RIGHT (–)
INPUT 2 LEFT (–)
GROUND
INPUT 1 RIGHT (+)
INPUT 1 LEFT (+)
14
1
SP1200 – 23
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