Parallel-mono 70 volt mode, Parallel-mono 8/4 ohm mode, Bridge-mono 8/4 ohm mode – Crown Audio Com-Tech "10 Series" User Manual
Page 18: Page 18 com-tech power amplifiers reference manual, Ch1 ch2
Page 18
Com-Tech Power Amplifiers
Reference Manual
COM
+
–
+
70 VOLT STEP-DOWN
TRANSFORMERS
16, 8, OR 4 OHM
16, 8, OR 4 OHM
70 VOLT LINE
MIXER
Com-Tech Amplifier
CHANNEL 1
PARALLEL-MONO
70 VOLT MODE
TURN OFF THE AMPLIFIER
BEFORE CHANGING
THE DUAL/MONO SWITCH.
TURN OFF THE AMPLIFIER
BEFORE CHANGING THE
OUTPUT MODE SWITCHES.
WARNING: BOTH CHAN-
NELS MUST BE SET
TO 70 VOLT MODE.
COM
+
–
+
NOT
CHANNEL 2 IS NOT USED
IN PARALLEL-MONO MODE.
BRIDGE
MONO
DUAL
PARALLEL
MONO
70
VOLT
70
VOLT
8/4
OHM
8/4
OHM
CH1
CH2
CH-2
CH-1
0
dB
.5
1
2
3
4
5
6
7
8
9
10
11
13
15
17
19
21
25
32
0
dB
.5
1
2
3
4
5
6
7
8
9
10
11
13
15
17
19
21
25
32
PR
ESS
R E S E
T
PUSH TO RESET
LOUDSPEAKERS
ADD A 14 GAUGE OR
LARGER JUMPER
BETWEEN THE CHAN-
NEL 1 AND 2 POSI-
TIVE (+) TERMINALS.
CH2
CH1
+
–
+
–
Programmable
Input Processor (P.I.P.)
BB
REMOTE
ADD A 14 GAUGE OR
LARGER JUMPER
BETWEEN THE CHAN-
NEL 1 AND 2 POSI-
TIVE (+) TERMINALS.
CHANNEL 2 IS NOT USED
IN PARALLEL-MONO MODE.
MIXER
LOUDSPEAKER
Com-Tech Amplifier
CHANNEL 1
PARALLEL-MONO
8/4 OHM MODE
TURN OFF THE AMPLIFIER
BEFORE CHANGING
THE DUAL/MONO SWITCH.
–
+
NOT USED
BRIDGE
MONO
DUAL
PARALLEL
MONO
70
VOLT
70
VOLT
8/4
OHM
8/4
OHM
CH1
CH2
TURN OFF THE AMPLIFIER
BEFORE CHANGING THE
OUTPUT MODE SWITCHES.
WARNING: BOTH CHAN-
NELS MUST BE SET
TO 8/4 OHM MODE.
CH-2
CH-1
0
dB
.5
1
2
3
4
5
6
7
8
9
10
11
13
15
17
19
21
25
32
0
dB
.5
1
2
3
4
5
6
7
8
9
10
11
13
15
17
19
21
25
32
PR
ESS
R E S E
T
PUSH TO RESET
CH2
CH1
+
–
+
–
Programmable
Input Processor (P.I.P.)
BB
REMOTE
Fig. 3.7 Wiring for Parallel-Mono 70-Volt, Bridge-Mono 8/4-Ohm and Parallel-Mono 8/4-Ohm Modes
DO NOT
USE
MIXER
LOUDSPEAKER
Com-Tech Amplifier
CHANNEL 1
BRIDGE-MONO
8/4 OHM MODE
TURN OFF THE AMPLIFIER
BEFORE CHANGING
THE DUAL/MONO SWITCH.
–
+
BRIDGE
MONO
DUAL
PARALLEL
MONO
70
VOLT
70
VOLT
8/4
OHM
8/4
OHM
CH1
CH2
TURN OFF CHANNEL 2 (CCW)
IN BRIDGE-MONO MODE.
CH-2
CH-1
0
dB
.5
1
2
3
4
5
6
7
8
9
10
11
13
15
17
19
21
25
32
0
dB
.5
1
2
3
4
5
6
7
8
9
10
11
13
15
17
19
21
25
32
TURN OFF THE AMPLIFIER
BEFORE CHANGING THE
OUTPUT MODE SWITCHES.
WARNING: BOTH CHAN-
NELS MUST BE SET TO
8/4 OHM MODE.
PR
ESS
R E S E
T
PUSH TO RESET
DO NOT USE THE
OUTPUT GROUND
TERMINALS.
CH2
CH1
+
–
+
–
Programmable
Input Processor (P.I.P.)
BB
REMOTE