Mackie CR-1604 Mixer User Manual


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7/1/95
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
1
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+ 20
U
00
2
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
3
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
4
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
5
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
6
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
7
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
8
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
9
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
10
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
11
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
12
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
13
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
14
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
15
MON
AUX
U
1
2
3
4
5
6
U
U
U
+1500
+1500
+1500
+1500
5/6
SHIFT
+15–15
0
HI
0
MID
0
LO
EQ
0
RL
PAN
SOLO
MUTE
ALT 3/4
OL
+20
U
00
16
MON
U
1
2
3
4
U
U
U
+1500
+1500
+1500
+1500
C
1
2
3
4
C
C
C
RL
1
2
3
4
STEREO AUX RETURNS
RL
RL
RL
LEVEL BALANCE
MONO
AUX
SOLO
+10
00 00
1/LEFT 2/RIGHT LEVEL
SOLO/PHONES
MAIN OUTPUT
MUTE
SOLO
TO
MAIN
ALT PREVIEW
POWER
SOLO
LEVEL
-20
-16
-12
-8
-4
0
+2
+4
+8
CLIP
CR1604
16 CHANNEL MIC/LINE MIXER
+4 –40
13
U
–10
•
UNBALANCED LINE INPUTS
+4 –40
14
U
–10
•
+4 –40
15
U
–10
•
+4 –40
16
U
–10
•
LEFT
RIGHT
BUSS INSERT
LEFT
RIGHT
ALT 3/4 OUT
3
6
2
5
1
4
MONITOR
LEFT
RIGHT
AUX OUTPUTSMONOBAL MAIN OUT
MAINS PHANTOM
+48V
6 5 4 3 2 1
LOW Z BALANCED MICROPHONE INPUTS
BALANCED/UNBALANCED LINE INPUTS
+4 –40
7
U
–10
•
+4 –40
6
U
–10
•
+4 –40
5
U
–10
•
+4 –40
4
U
–10
•
+4 –40
4
U
–10
•
+4 –40
4
U
–10
•
+4 –40
4
U
–10
•
SENSITIVITY
ADD 8dB FOR
MIC INPUTS
4
8
+4 –40
8
U
–10
•
3
7
2
6
1
5
+4 –40
9
U
–10
•
+4 –40
10
U
–10
•
+4 –40
11
U
–10
•
+4 –40
12
U
–10
•
CHANNEL ACCESS TIP=OUT RING=IN
4321
AUX RETURNS
L
R
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
+12–12
+15–15
And the mixer also has
exceptional protection from
RF interference. Other
compact mixers use plastic
washers to secure 1/4” jacks
to the chassis. Grounding is
done internally to a circuit
board trace. This means
that RF can enter the mixer
and propagate throughout
the circuitry. The CR-1604
uses metal lockwashers to
make electrical contact be-
tween jack and outer
chassis. Internally, a shunt-
ing capacitor is placed
across the inputs, routing
RF back through the metal
chassis where it is dissi-
pated before it can
propagate via CR-1604
circuit boards. You can lit-
erally operate a 1604
under a transmitter tower
without RF interference*!
No Mackie “clone” can
make that claim.
SOUNDS SO GOOD,
IT’S USED TO MIX
COMPACT DISCS
In terms of specs and
features, it’s quite under-
standable why the CR-1604
has redefined small mixers. It
put an end to the classic
trade-off of “low noise OR
high headroom, but not
both.” In fact, numerous
major-label CDs have been
mastered on 1604s. The
CR-1604 is also regularly
used for TV scoring (The
Simpsons, Night Shade,
Beverly Hills 90210, and
many others) and live TV
show music mixing (Arsenio
Hall, Tonight Show and
Saturday Night Live). Lucas-
Film’s Skywalker Ranch uses
over twenty of them on a
daily basis. As does a very
famous theme park.
One explanation is the
CR-1604’s specifications.
Real world specs that we in-
vite you to confirm on your
test bench. You’ll find that
the CR-1604 delivers 90dB
continued on back page
potentiometers that event-
ually deteriorate from
airborne contamination. The
mixer has a steel chassis,
rugged double-sided,
through-hole-plated fiber-
glass circuit boards, built-in
power supply (instead of a
“wall wart”), BNC lamp
power connector— even par-
allel-wired dual faders for
two times redundancy.
The CR-1604’s inputs and
outputs are protected against
power surges, static dis-
charges and even impedance
mismatches.
*A Radio World magazine reviewer
did just that. See the March 25th,
1992 issue for the full story.
2
6
5
4
3
10
11
12
13
14
15
16
3-BAND
EQUALIZER
80, 2.5K,12K
PRE/MONITOR SIGNAL
OFF TO
+20dB
GAIN
RING IN
TIP OUT
2-WAY
SENSE
PAN
SOLO SW
AUX AMP
LEFT
SOLO
RIGHT
LEFT MAIN
ALT 3-4 LEFT
RIGHT MAIN
ALT 3-4 RIGHT
L R
AUX 1
AUX 2
AUX 3-5
AUX 4-6
AUX 1
MON
1
1
2
3
5
4
6
5-6 SHIFT
OFF TO
20dB
GAIN
AUX
SENDS
AUX 1
AUX 1 MONITOR
AUX 2
AUX 3
AUX 4
AUX 5
AUX 6
MAIN LEFT
MAIN RIGHT
ALT 3-4 LEFT
ALT 3-4 RIGHT
SOLO LEFT
SOLO RIGHT
1
1
2
3
4
5
6
AUX 1
AUX 1
MONITOR
AUX 2
OUTPUT
AUX 3
OUTPUT
AUX 4
OUTPUT
AUX 5
OUTPUT
AUX 6
OUTPUT
+22 CLIP
+8
+4
+2
0
-4
-8
-12
-16
-20
OUTPUT
METER
METER READS
INPUT CHANNEL
LEVEL WHEN
CHANNEL IS
SOLOED.
ELECTRONIC
SOLO
SWITCHING
R
L
R
L
ALT 3-4
ALT 3-4
ALT
PREVIEW
SOLO
MIX AMPS
TIP OUT
RING IN
RING IN
TIP OUT
MAIN
MIX AMPS
MASTER
LEFT & RIGHT
OFF TO
+10dB GAIN
BALANCED
MAIN LEFT
OUTPUT
+28dBu MAX BALANCED
+22dBu MAX UNBALANCED
BALANCED
MAIN RIGHT
OUTPUT
OUTPUT
MAIN MONO
BALANCED
STEREO
HEADPHONES
OUTPUT
PHONES
AND
SOLO
LEVEL
L
R
TIP
RING
NOTES:
1. SWITCHES SHOWN IN
"NORMAL" POSITION.
CHANNEL
FADER
CHANNEL ACCESS
FIRST CLICK=
DIRECT OUT
(NO SIGNAL
CHAN
MUTE
(ALT
3-4)
MONITOR
+22dBu MAX
ALL AUX SENDS
+28dBu MAX BALANCED
+22dBu MAX UNBALANCED
+28dBu MAX BALANCED
+22dBu MAX UNBALANCED
LEFT OUT
RIGHT OUT
L
R
ALT 3-4
MIX AMPS
LEFT BUS
INSERT
FIRST CLICK=
DIRECT OUTPUT
(NO SIGNAL
INTERRUPTION)
INTERRUPTION)
(NO SIGNAL
DIRECT OUTPUT
FIRST CLICK=
INSERT
RIGHT BUS
SOLO
RIGHT
LEFT
INTERUPTION)
LED
PEAK
8
9
ELECTRONIC
SOLO
SWITCHING
(ONLY WITH
SOLO TO
MAIN
SWITCH
ENGAGED)
2
3
1
PHANTOM
POWER
MIC
INPUT
GAIN TRIM:
MIC GAIN
+10dB to +50dB
LINE GAIN –
UNITY TO +40dB
3
1
DISCRETE
MIC AMP
POINT
A
2 (HOT)
CHANNELS 1-6
1
INPUT
LINE
TRIM
UNITY TO +25dB
NOTE: LINE INPUTS ONLY ON CHANELS 7-16,
(FOR MIC INPUTS USE XLR-10 EXPANDER MODULE).
EXPANDER
MIX AMP
POINT
A
CHANNELS 7-16
FROM
XLR10 EXPANDER
RIGHT
RETURN
LEFT
RETURN
BALANCE
+20dB GAIN
OFF TO
GAIN
MONO
AUX RETURNS 1-4
1
2
3
4
7
LINE
INPUT
MASTER
OUTPUT
MUTE
SWITCH
10dB PAD
to Albuquerque
"You're either on
the bus or off the
bus."
Ken Kesey
-
+
-
+
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+
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