Rolls DJ Equipment MX28 User Guide

LIMITED WARRANTY  
This product is warranted to the original consumer purchaser to  
be free from defects in materials and workmanship under normal installa-  
tion, use and service for a period of one (1) year from the date of purchase  
as shown on the purchaser’s receipt.  
MX28 MINIMIX VI  
• Three stereo inputs - 2: 1/4" unbal per  
channel.  
• Individual 1/4" Right and Left outputs  
• Pan control for each channel  
Two Headphone outputs  
The obligation of Rolls Corporation under this warranty shall be  
limited to repair or replacement (at our option), during the warranty period  
of any part which proves defective in material or workmanship under  
normal installation, use and service, provided the product is returned to  
Rolls Corporation, TRANSPORTATION CHARGES PREPAID. Products  
returned to us or to an authorized Service Center must be accompanied by  
a copy of the purchase receipt. In the absence of such purchase receipt, the  
warranty period shall be one (1) year from the date of manufacture.  
This warranty shall be invalid if the product is damaged as a  
result of defacement, misuse, abuse, neglect, accident, destruction or  
alteration of the serial number, improper electrical voltages or currents,  
repair, alteration or maintenance by any person or party other than our  
own service facility or an authorized Service Center, or any use violative  
of instructions furnished by us.  
The MX28 is the ideal mixer for anyone needing  
to mix up to three stereo signals. Keyboards,  
stereo guitar effects, even sources like CD play-  
ers or cassette players can be mixed together  
maintaining their true stereo separation.  
This one-year warranty is in lieu of all expressed warranties,  
obligations or liabilities. ANY IMPLIED WARRANTIES, OBLIGA-  
TIONS, OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE  
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS  
FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURA-  
TION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED  
WARRANTY. Some states do not allow limitations on how long an  
implied warranty lasts, so the above limitation may not apply to you.  
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPE-  
CIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR  
BREACH OF THIS OR ANY OTHER WARRANTY, EXPRESSED OR  
IMPLIED, WHATSOEVER. Some states do not allow the exclusion or  
limitation of special, incidental or consequential damages so the above  
limitation or exclusion may not apply to you. This warranty gives you  
specific legal rights, and you may also have other rights which vary from  
state to state.  
Rolls Corporation  
Salt Lake City, UT  
9/95  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Thank you for your purchase of the MX28 MiniMix VI. The MX28 is a three  
channel true stereo mixer designed for keyboard or other stereo line level  
signal mixing.  
OPERATION  
Shown below is an example setup for the MX28. The power adapter is not  
shown. It should be conected to the proper voltage, grounded AC outlet.  
To mixer or  
recording device  
INSPECTION  
1. Unpack and inspect the MX28 box and package.  
If obvious physical damage is noticed, contact the carrier immediately to  
make a damage claim.We suggest saving the shipping carton and  
packing materials for safely transporting the unit in the future.  
(MIDI Signal)  
2. Please complete the Warranty Registration Card and return it to the  
factory.  
DC IN  
R
1 R 2 R 3 R  
12 - 16  
VDC  
OUTPUT  
L
L
L
L
+
-
DESCRIPTION  
FRONT PANEL  
Synth Module  
Synth Module  
STEREO  
MINI-MIX VI  
MX28  
MX28  
LEVEL 1 - 3:Volume Controls:  
Adjusts the amount of input signal  
to the indicated channel.  
LEVEL  
1
BAL  
LEVEL  
2
BAL  
LEVEL  
3
BAL  
MASTER HEADPHONE  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
LEVEL  
MASTER HEADPHONE  
LEVEL LEVEL  
1
BAL  
2
BAL  
3
BAL  
MASTER LEVEL: Master volume  
control, adjusts the amount of  
overall signal sent to the Main Right  
and Left outputs.  
SCHEMATIC  
HEADPHONE LEVEL: Adjusts the  
amount of signal sent to the Head-  
C
3
R
4
2
1
2
0
P
C
2
P
4
A
1
U
R
3
.
7
K
4
7
K
P
1
0
0
K
X
2
C
H
A
N
N
E
L
1
O
3
1
3
phone Output.  
M
O
N
O
/
R
I
G
H
T
VCC  
L
E
T
P
1
B
VCC  
P
1
0
0
K
X
2
P
J
H
O
N
E
1
/
4
P
J
H
O
N
E
1
/
4
4
5
6
0
PAN 1 - 3: varies the relative amount of right and left signal from the  
channel to the mix bus.  
PHONE OUTS:Two 1/4" TRS Stereo jacks for connection to stereo  
headphones.  
C
1
9
1
5
6
5
R
R
4
9
R
1
5
1
R
1
3
1
1
1
R
3
2
4
5
6
0
1
0
U
R
8
C
1
1
4
7
6
5
1
0
0
U
1
B
4
7
K
VB  
7
U
4
B
1
0
K
0
K
K
C
1
6
R
1
U
U
R
1
3
3
2
0
P
P
7
1
B
A
L
1
0
K
C
5
R
4
7
P
R
0
0
K
0
0
K
4
5
6
0
1
U
2
3
0
VB  
P
1
A
1
VB  
4
6
R
I
G
H
T
U
1
A
P
1
0
0
K
X
2
P
H
O
N
E
1
/
4
.
7
K
J
2
2
P
P
4
1
B
0
1
0
K
1
0
K
J
1
0
P
H
O
N
E
1
/
4
"
C
1
R
1
3
4
0
K
X
2
VB  
2
R
1
3
5
C
1
2
0
4
5
6
0
1
C
9
R
6
K
U
4
A
R
1
2
3
1
2
0
P
1
0
K
L
E
T
0
U
R
3
6
0
0
C
8
1
0
0
K
1
U
R
1
3
4
.
7
K
VB  
4
7
K
REAR PANEL  
M
O
N
O
/
R
I
G
H
T
VCC  
VCC  
P
2
B
P
J
H
O
N
E
1
/
4
P
1
0
0
K
X
2
M
P
S
A
0
6
P
J
H
O
N
E
1
/
4
8
4
5
6
0
3
5
6
5
R
1
R
1
1
1
4
9
R
1
1
2
5
0
R
3
9
VCC  
Q
1
R
1
8
R
1
3
7
C
1
7
1
7
1
0
C
2
1
R
3
8
U
2
B
4
7
K
VB  
K
CH 1 - Ch 3 INPUTS: 1/4" unbal-  
anced inputs  
The Right input is the MONO input.  
Right and Left MAIN OUTPUTS: 2:  
1/4" unbalanced outputs containing  
the three mixed stereo signals.  
DC IN: Power jack - accepts +12 to  
+16 volts DC (outside of the barrel  
is positive).  
1
2
0
P
4
5
6
U
0
0
0
K
K
0
0
K
K
6
5
C
1
1
2
3
0
R
1
1
U
U
7
1
2
0
P
P
8
1
C
2
2
B
A
L
5
B
1
0
K
C
1
1
R
4
1
7
P
R
0
0
K
1
4
3
6
Q
2
4
7
U
4
5
6
0
1
U
2
3
P
2
A
2
N
2
9
0
7
P
6
A
1
VB  
U
2
A
P
1
0
0
K
X
2
P
H O N E 1 / 4  
J 5  
.
7
K
J
9
P
P
1
1
0
0
0
0
K
K
X
X
2
2
2
1
C
1
0
VCC  
P
6
B
Q
3
VB  
M
P
S
A
0
6
4
5
6
0
3
P
H
O
N
E
1
/
4
R
1
6
1
0
K
U
5
A
L
E
T
R
1
4
2
V2B  
R
4
1
C
1
5
C
2
4
C
2
3
R
4
2
2
R
1
4
0
3
0
4
7
U
1
2
0
P
1
2
0
P
0
K
C
1
4
Q
4
1
U
R
2
3
7 K  
DC IN  
.
7
K
2
N
2
9
0
7
4
L
1 L  
2 L 3 L  
12 - 16  
VCC  
M
O
N
O
/
R
I
G
H
T
VCC  
D
1
VDC  
OUTPUT  
R
VCC  
P
3
B
R
4
3
Q
5
1
N
4
0
0
1
P
1
0
0
K
X
2
P
J
H
O
N
E
1
/
4
1
8
K
4
5
6
0
VB  
R
R
R
+
-
6
5
6
5
R
1
R
1
2
2
4
9
R
1
P
P
R
2
3
5
0
2
N
3
9
0
4
R
2
8
C
1
1
1
3
6
7
R
4
4
U
3
B
J
J
4
A
C
1
2
5
4
7
K
VB  
2
3
1
K
U
C
7
2
6
0
0
K
K
0
0
K
K
2
2
K
C
1
1
8
R
2
4
5
R
2 1  
0 K  
U
U
4
U
D
2
L
D
S
G
2
0
P
9
1
5
0
3
B
A
L
P
O
W
E
R
K
1
C
1
7
R
4
2
7
0
0
K
4
5
6
0
1
U
2
3
P
3
A
P
D
C
1
VB  
C
2
7
U
3
A
P
1
0
0
K
X
2
P
H O N E 1 / 4  
J 7  
.
7
K
R
5
S
O
L
L
S
C
O
t
R
P
O
R
A
T
I
O
N
2
1
1
4
3
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1
a
l
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a
k
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C
i
y
,
U
T
8
4
1
0
7
VB  
R
2
6
M
X
2
8
T
H
R
E
E
C
H
A
N
N
E
L
S
T
E
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1
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Document Number:  
R
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M
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2
8
.
S
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Date: 22-Apr-1999  
Sheet1 of  
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