Fostex LM16 - Mixer Block Diagram

35
Model LM16 [Mixer basics]
BA
SUB IN
A/D
-∞ ~ +20dB
(-10dBV)
BA
BA
GND
-∞ ~ +10dB
FDR
FDR
-∞ ~ +10dB
FDR
FDR
GROUP3
GROUP4
FDR
GROUP2
TO ST
FDR
GROUP1
MONITOR SW
LR/12/34/EFF
-∞ ~ +10dB
EFF RTN L-R
EFFECT
EFF SEND
AUX SEND3
AUX SEND2
AUX SEND1
-∞ ~ +10dB
DA
DA
AUX SEND1
AUX SEND2
AUX SEND3
EFF SEND
(-2dBu)
ST
L
R
1
2
3
4
1
2
3
EFF
AUX
GROUP
SOLO
SOLO
SOLO
SOLO SOLO
LEVEL
L
R
SOLO
PHONES VOL
DA
SOLO
2
1
BA
BA
BA
R
L
MONITOR OUT (-12dBV)
PHONES
GROUP OUT (+4dBu)
DA
DA DA
L
R
1
2
3 4
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
DA
BA
ST MIX OUT (-10dBV)
1
2
34
1
2
34
GROUP1-2 ON/OFF
1
2
34
GROUP3-4 ON/OFF
AUX 1
AUX 2
AUX 3
-∞ ~ +10dB
PRE/POST
SOLO
CH1 EFF
MUTE
-∞ ~ +10dB
1
2
34
1
2
34
GROUP1-2 ON/OFF
1
2
34
GROUP3-4 ON/OFF
CH16 EFF
PRE/POST
-∞ ~ +10dB
MUTE
AUX 1
AUX 2
AUX 3
-∞ ~ +10dB
SOLO
INPUT
EQ
H: 12kHz M: 100-8kHz L: 80Hz +/-18dB
INPUT
EQ
H: 12kHz M: 100-8kHz L: 80Hz +/-18dB
A/D
TIP: SEND RING: RETURN
INSERT
2
1
PEAK
(LIMITER)
BA
Low Cut Filter 80Hz, -12dB/oct
MIC1: -60 ~ -35dBu MIC2: -37 ~ -12dBu LINE1: -40 ~ -15dBu (37.8 ~ -12.8dBV) LINE2: -17 ~ +8dBu (-14.8 ~ +10.2dBV)
TRIM
BAL
GAIN1: +28dB GAIN2: +5dB
+ +
P48 (1-8)
MIC
LINE
P48 (9-16)
MIC
LINE
BAL
+ +
TRIM
BA
A/D
2
1
PEAK
Low Cut Filter 80Hz, -12dB/oct
(LIMITER)
A+48V
P48V (1-8)
P48V (9-16)
ON/OFF
ON/OFF
STEREO OUT (+4dBu)
INPUT 1~8
INPUT 15~16
SUB IN
EFF RTN 1-2
EFF RTN 3-4
EFF RTN AUX1
EFF RTN AUX2 EFF RTN AUX3
MONITOR VOL
TO ST
TO ST
TO ST
ST OUT L
ST OUT R
OUTPUT LIMITER
ON/OFF
SUB IN
SUB IN
SUB IN
VOL IC
VOL IC
INPUT/SUB IN
CH1-8 FADER
CH15-16 FADER
CH1 PAN
CH16 PAN
ST BUS ON/OFF
ST BUS ON/OFF
ATT: -20dB
ATT: -20dB
LIMITER
LIMITER
L
R
INTERNAL
EFFECT
ON/OFF
1
2
34
1
2
34
GROUP1-2 ON/OFF
1
2
34
GROUP3-4 ON/OFF
CH16 EFF
PRE/POST
-∞ ~ +10dB
MUTE
AUX 1
AUX 2
AUX 3
-∞ ~ +10dB
SOLO
INPUT
EQ
H: 12kHz M: 100-8kHz L: 80Hz +/-18dB
P48 (9-16)
MIC
LINE
BAL
+ +
TRIM
BA
A/D
2
1
PEAK
Low Cut Filter 80Hz, -12dB/oct
(LIMITER)
INPUT 9~14
VOL IC
CH9-14 FADER CH16 PAN
ST BUS ON/OFF
ATT: -20dB
MIC1: -60 ~ -35dBu MIC2: -37 ~ -12dBu LINE1: -40 ~ -15dBu (37.8 ~ -12.8dBV) LINE2: -17 ~ +8dBu (-14.8 ~ +10.2dBV)
MIC1: -60 ~ -35dBu MIC2: -37 ~ -12dBu LINE1: -40 ~ -15dBu (37.8 ~ -12.8dBV) LINE2: -17 ~ +8dBu (-14.8 ~ +10.2dBV)
Block diagram