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MX44 4-CHANNEL MIXER
MINI-MIX IV
9V BATTERY
MX44
VOL2
OUTPUT
VOL1
LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be free from defects in materials and workmanship under normal installation, 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, OBLIGATIONS, OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURATION 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 SPECIAL, 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.
MX44 MINI-MIX IV 4-Channel Mixer
• Four input to mono line-level output • 1/4" High-impedance inputs • 1/4" TRS high impedance output • Output level sufficient to drive headphones
The MX44 is a four channel active mixer for mixing instrument or line-level signals. The output is specially designed with enough power to drive any pair of standard headphones.
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Rolls Corporation Salt Lake City, UT 7/99
INPUT 1
INPUT 2
Owners Manual
9 - 16 VDC
PWR
+ -
VOL4
VOL3
INPUT 3
INPUT 4
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. NOTE: This output will drive a pair of headphones. 9V BATTERY: Compartment for a 9 Volt alkaline (preferred) battery. 9-16 VDC: Power jack located on the side panel, for connection 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 connected 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.
OUTPUT 9V BATTERY 9 - 16 VDC
EXAMPLE
VOLUME 1
VOLUME 2
POWER AMPLIFIER RA2100B
OUTPUT
9V BATTERY
9 - 16 VDC
UNBAL
BAL
BAL
UNBAL/HDPH PWR
MINI-MIX IV
MX44
VOL1 VOL2 VOL3 VOL4
+ -
12VDC INPUT OUTPUT
MINI-MIC
PWR
PREAMP
MP13
ON
GAIN 6 dB - 50 dB
CLIP
PHANTOM POWER
P WR
INPUT 1
INPUT 2
INPUT 3
INPUT 4
SCHEMATIC
J 1 P H O N E 1 /4 C H 1 P 1 0 0 K R 1 1 0 K P 1 R 5 0 2 3 P 2 P 1 0 0 K J 5 P H O N E 1 /4 C H 3 P 1 0 0 K 1 0 K R 4 6 P 4 P 1 0 0 K 1 N 4 0 0 1 1 0 K R 2 1 0 K P 3 R 7 C 4 4 7 U 4 5 6 0 8 5 4 .7 K 7 0 3 1 D 1 J A P D C IN 9 -1 5 V D C 2 R 9 J 3 U 1 A 4 1 4 5 6 0 R 8 5 1 R 6 1 0 K D 2 L D R G 9 V B A T T E R Y O U T C 3 4 7 P F
MINI-MIX IV
MX44
VOL1 VOL2 VOL3 VOL4
+ -
PWR
J 2 P H O N E 1 /4 C H 2 R 3 1 0 K
C 1 1 U
2 2 0 K C 5 4 7 U L IN E /H D P H O N E J 6 P H O N E 1 /4
INPUT 1
INPUT 2
INPUT 3
INPUT 4
C H 4
J 4 P H O N E 1 /4
U 1 B
SPECIFICATIONS Input Impedance: Output Impedance: Gain: Power: Size: Weight:
10K Ω 50 Ω 30 dB 9V battery, or 12 VDC 100mA (optional) 4" x 3" x 2" 1lb (.45Kg)
R O L L S C O R P O R A T IO N T itle R O L L S M X 4 4 M IN I - M IX 4 S iz e A D a te : M a y 2 1 , 1 9 9 6 D o c u m e n t N u m b e r M X 4 4 .S C H S h e e t o f R E V
.