JBL MSC1 - Block Diagram

31
Section 10: Specications
Controller Signal Flow
12V
Phantom
Power
L
R
L
R
L
R
A/D
DSP
L
R
S
D/A
Micro-Controller
A/D
Clip
LED
Signal
LED
Headphone
Volume
VOLUME
INPUT TRIM
Limiter
In
p
ut A
In
p
ut B
Input C
L/R
L/R
L/R
Input Select
Select A/B or C
Speaker Select
A/B
Balanced
Out
A
L
R
L/R
Balanced
Out B
Balanced
Out Sub A
Output
Amplifiers
L/R
L/R
L/R
L/R
L/R
A
B
A
B
A
/
B
C
Sub
Balanced 6.5mm
(
-inch)
TRS Inputs
24dBu Max
Phono
(RCA)
Inputs
12dBu Max
L/R
Power
EQ
Mute Sub
RMC
Front Panel Controls with LEDs
USB
Headphones
Filter
parameters
L/R
Mic In
Mic Out
LEVEL PAD
L
L
R
R
+6dB
-36dB
0dB
-∞ dB
0 dB
-∞ dB
Mute
Mute
0d
B
+8dB
LEDs
Enable
Balanced 6.5mm
(
-inch)
TRS Inputs
24dBu Max
L
R
Block Diagram
Low Freq
Shelving
Filter
High Freq
Shelving
Filter
Left Mixer In
EQ Filters
Right Mixer In
RMC Filters
Sub Level
+10dB / -10dB
VOLUME
-∞ dB to 0dB
3rd order HP
Left Channel
Right Channel
Left Speaker A
Right Speaker A
Subwoofer A
Crossover Filters
3rd order HP
3rd order LP
Five 2
nd
order
Adaptive Filters
Five 2
nd
order
Adaptive Filters
DSP Signal Flow
Low Freq
Shelving
Filter
High Freq
Shelving
Filter
+3dB +3dB
-3dB -3dB
F
l
F
h
Micro-controller
RMC
Function
Software
EQ Controls
Software
Sub Controls
Speaker
Configuration
Function
VOLUME
1st, 2nd
order
filters