11
Operating Manual - MFA-8000 and MFA-6000 Power Amplifier
Limiter
In/Out
Level
Channel 2
(+)
(-)
Input
Ground
Chassis
Ground
(-)
(+)
Level
Limiter
In/Out
Channel 1 (Mono)
CL-2
POWERCARD
Input Option
Stereo Limiter
10
0
1
2
3
4 5
6
9
0
10
1
4 5
6
7
8
9
Limit
Limit
Ch.2
Limiter
Threshold
(dB)
Ch.1
Limiter
Threshold
(dB)
0 -3 -6
-9
-12
-28
+18
+15
+3
+6
0 -3 -6
-9
-12
-28
+18
+15
+3
+6
Norm
Bridge
Stereo
Mono
PUSH
PUSH
PUSH
PUSH
Aux
Low Out
(Pre Level)
Aux
High Out
(Pre Level)
(-)
(+)
Input
Ground
Chassis
Ground
Phase
CD
Horn EQ
Output
Modes
Ch.2 Ch.1
1.Low High (FR)
2.Low Low
3.Bridged Low
Ch.2 is (+)
1 2 3
+180
0
+360
+180
Highpass
High (FR)
Level
XR-1
POWERCARD Input Option
Two-Way 24dB/Oct.
Crossover
Installed
Crossover
Frequency:
Full Range
CAUTION: Never Send Full Range
Signal To High Frequency Drivers.
Low
Level
5
10
0
5
10
0
1.2KHz
2.4KHz
Off
Balanced Input
(Pin 2 Hot)
Input
Level
0
-1
-3
-6
-9
-15
-21
dB
-
∞
∞
PUSH
PUSH
10
0
Mic 1
Level
10
0
Mic 2
Level
10
0
10
0
10
0
Line Level
L = Amplifier Channel 1 Output
R = Amplifier Channel 2 Output
Mono Mode Sums the Stereo Signals
1
2
3
4
Ch.1
Ch.2
Ch.3
Ch.4
Phan.
(+15V)
-1-
-2-
L
R
L
R
Line Inputs
Insert Points
(Post Master Level)
Send
Return
Norm
Bridge
Stereo
Mono
10
9
8
7
6
5
4
3
2
1
0
Microphone Inputs (Mono)
Low-Cut
(Mics Only)
Master
Level
10
0
MM-6
POWERCARD
Input Option
Mic/Line Mixer
PUSH
PUS
H
PUS
H
PUS
H
Figure 8.2: CL-2
Peak Limiter -
Compressor
Figure 8.3: XR-1
Two-Way
Crossover
Figure 8.4: MM-6
Mic - Line Mixer
