MX22A
MINI-MIX
Line Mix er
Owners Manual
CH 2
VOLUME
CH 1
VOLUME
HEADPHONE/
LINE OUT
CH 1
1/4"
CH 2
RCA
POWER
INPUT
MINI-MIX
LINE MIXER
MX22A
LINE INPUTS
RCA
OUTPUT
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.
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.
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 W ARRANTIES 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
MX22 2 Channel
Stereo/Mono Mixer
• Mixes 1/4" line level signals with
stereo RCA signals (mixed to mono)
•
Individual controls for each signal
• AC adapter included
The MX22, originally designed for aerobics stu-
dios, mixes a 1/4" line signal such as a wireless
microphone, with a stereo RCA signal like a CD or
cassette player. The unit has enough output to
drive a power amplifier directly and is ideal for
audio visual applications as well.
INTRODUCTION
The MX22A is a two-channel mixer for mixing a 1/4" line
signal such as a wireless microphone, and a stereo RCA
signal such as a CD player. The MX22A has enough output
to drive a power amplifier directly and is ideal for audio/video
and aerobics instructors.
DESCRIPTION
CH 1 1/4" Input: 1/4" unbalanced jack for receiving line or
instrument level signals.
CH 2 RCA Input: Stereo RCA input for receiving line level
signals. These signals are mixed to mono.
Line 1 Volume: Controls the level of the signal from Channel
1.
Line 2 Volume: Controls the level of the signal from Channel
2.
Line Outputs: Dual mono RCA and 1/4" jacks for connection
to a line input device such as a mixer.
Power Input: For connection to the power supply.
CH 2
VOLUME
CH 1
VOLUME
HEADPHONE/
LINE OUT
CH 1
1/4"
CH 2
RCA
POWER
INPUT
MINI-MIX
LINE MIXER
MX22A
LINE INPUTS
RCA
OUTPUT
EXAMPLE
WIRELESS
RECEIVER
CH 1
VOLUME
CH 2
VOLUME
HEADPHONE/
LINE OUT
CH 1
1/4"
CH 2
RCA
POWER
INPUT
MINI-MIX
LINE MIXER
MX22A
LINE INPUTS
RCA
OUTPUT
RA235
SCHEMATIC
R11
10K
R12
100K
C4
1U
CH 1
J4
PHONE 1/4
+B
2
3
1
4
U1A
4560
P2
P100K
R8
22K
C5
47PF
LINE/HDPHONE
1
2
3
J3A
RCAX4 PC
J1
PHONE 1/4
R2
51
C2
47U
+V
R1
100K
6
5
7
8
U1B
4560
4
5
6
J3B
RCAX4 PC
R7
10K
C6
1U
CH 2
R6 10K
+B
R4
10K
P1
P100K
+B
LINE OUTS
IN 9-15 VAC/VDC
2
3
1
J2
JAPDC
+V
C1
1000 UF
D1
1N4001
+B
C12
47U
R19
47K
R18
47K
Date: December 5, 1994 Sheet of
Size Document Number REV
A MX22A
Title
ROLLS MX22A MINI - MIX
ROLLS CORPORATION
SPECIFICATIONS
CH1 Max Gain: 32 dB
CH2 Max Gain: 20 dB
CH1 Input Impedance: 10K Ohms
CH2 Input Impedance: 20K Ohms
Output Impedance: 50 Ohms
Power: 12 VDC 100mA (typical)
Size: 2.75" x 2.35" x 1.5" (7 x 6 x 3.8 cm)
Weight: 1lb (.45Kg)
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