MACKIE U.40d - Manual (Page 24)

24
U.420d 4-Channel Mic/Line Mixer
U.
4
20d 4-Channel Mic/Line Mix
er
©2007-2012 LOUD T
echnologies Inc. All Rights Reserved.
Block Diagram
CUE ENAB
LE
L
R
MAIN
Main
Ou
t
Le
ve
l
Aux
Ou
t L
L R
AUX
Main
Ou
t L
Ph
on
es
le
ve
l
NOTE: Switches are shown in the default (out) posi
tion
.
07/21/07 SSE
Main
Ou
t R
Aux
Ou
t R
Pho
ne
s
L
Aux
Main
Mi
x
Su
m
Channel
Su
m
L R
Ma
in
Ou
t
Le
ve
l
Lev
el
Se
t
R
CUE
MAIN
AUX
CUE
Cu
e
R
L
L
R
L
R
R
L
Either Cue bus or Main
s
bus
is routed to headph
on
es
LO
MI
D
HI
L R
Au
x
Su
m
L R
Cue
Su
m
CUE ENAB
LE
Channel
2
XLR/TRS
Combo Inp
ut
Gain
TRS: -22 to
+2
5
Aux
Lev
el
Se
t
48
V
Cu
e
XLR: +3 to +50
dB
Ph
an
to
m
Po
we
r
15
V
ON OF
F
15
V
ON OF
F
LO
MI
DH
I
Fade
r
Fade
r
CUE ENAB
LE
Channel 3 (channel 4 identical)
L R
3-Band
3-Band EQ 3-Band EQ
Kil
le
r EQ
-inf to
+10d
B
Gain
-14 to +14
dB
LO 30
01
k
4k HI
MI
D
LO 30
01
k
4k HI
MI
D
Phon
o
L
Phon
o
R
Lev
el
Se
t
RI
AA
pre
am
p
Leve
l
Au
x
Cu
e
15
V
ON OF
F Cross-fader
Cross-fader
Channel
4
Curve
Sl
ow
Fa
st
CUE ENAB
LE
Firewir
e
In
from Comp
ut
er
Fi
re
wi
re
In Le
ve
l
Firewire Su
m
Ch.1-
4 only to FW outpu
t
Firew
ire input
& Ch.
1-
4 to FW outpu
t
L R
L R
Firewire
Ou
t
to Comput
er
DA
C
AD
C
Channel
1
XLR/TRS
Combo Inp
ut
Gain
Hi-Z
TRS: -22 to
+2
5
48
V
XLR: +3 to +50
dB
Ph
an
to
m
Po
we
r