INTRODUCTION
Thank you for your purchase of the MX44 MINI-MIX IV. This
unit is a four channel active mixer for mixing instrument or
line level unbalanced signals.
DESCRIPTION
OUTPUT: 1/4" Tip-Ring-Sleeve jack for connection to a mixer
input, amplifier or other input device.
9V BATTERY: Compartment for a 9 Volt alkaline (preferred)
battery.
9-16 VDC: Power jack located on the side panel, for connec-
tion to an optional PS27 12 volt DC power supply.
PWR LED: Indicates that power is applied to the MX44. If
using battery power, this LED lights when a plug is con-
nected to the Output jack.
VOLUME 1 - 4: Control the level of the signals coming from
Inputs 1 - 4.
IN 1 - 4: 1/4" unbalanced jacks for connection to line or
instrument level devices.
EXAMPLE
SCHEMATIC
SPECIFICATIONS
Input Impedance:
10K
9
Output Impedance:
50
9
Gain:
30 dB
Power:
9V battery, or
12 VDC 100mA (optional)
Size:
4" x 3" x 2"
Weight:
1lb (.45Kg)
D a t e :
M a y 2 1 , 1 9 9 6
S h e e t
o f
S i z e
D o c u m e n t N u m b e r
R E V
A
M X 4 4 . S C H
T i t l e
R O L L S M X 4 4 M I N I - M I X 4
R O L L S C O R P O R A T I O N
C H 1
J 1
P H O N E 1 / 4
R 1
1 0 K
C 3
4 7 P F
P 1
P 1 0 0 K
R 5
2 2 0 K
L I N E / H D P H O N E
J 6
P H O N E 1 / 4
9 V
B A T T E R Y
C 5
4 7 U
D 2
L D R G
O U T
R 9
4 . 7 K
2
3
1
0
4
U 1 A
4 5 6 0
R 8
5 1
C 1
1 U
R 6
1 0 K
P 2
P 1 0 0 K
P 3
P 1 0 0 K
C 4
4 7 U
5
6
7
8
0
U 1 B
4 5 6 0
R 7
1 0 K
C H 2
J 2
P H O N E 1 / 4
J 5
P H O N E 1 / 4
R 2
1 0 K
C H 3
R 3
1 0 K
J 4
P H O N E 1 / 4
R 4
1 0 K
C H 4
P 4
P 1 0 0 K
I N 9 - 1 5 V D C
2
3
1
J 3
J A P D C
D 1
1 N 4 0 0 1
OUTPUT
VOL1
VOL2
VOL3
VOL4
INPUT 1
INPUT 2
INPUT 3
INPUT 4
MINI-MIX IV
MX44
9 - 16 VDC
9V BATTERY
PWR
+
-
OUTPUT
VOL1
VOL2
VOL3
VOL4
INPUT 1
INPUT 2
INPUT 3
INPUT 4
MINI-MIX IV
MX44
9 - 16 VDC
9V BATTERY
PWR
+
-
INPUT
OUTPUT
PWR
12VDC
MINI-MIC
P R E A M P
MP13
GAIN
6 dB - 50 dB
CLIP
PHANTOM
POWER
P W R
ON
UNBAL
BAL
BAL
UNBAL/HDPH
VOLUME 1
VOLUME 2
P
OWER
A
MPLIFIER RA2100B
