Rolls MX122 MiniMix Pro User manual

MX122
MiniMix Pro Mixer
Quick Start Guide
ROLLS CORPORATION
SALT LAKE CITY, UTAH
8/19
SPECIFICATIONS
Input Impedance: Line: 10 K Ohms unbal.
Mic: 10 K Ohms bal.
Phantom Power Voltage: +15 VDC
Output Impedance: 50 Ohms bal
Max Input Level: +24 dBV line, -8 dBV microphone
Phase Shift: < 10 deg. 20 Hz - 20 kHz
Connectors: 8: 1/4”TS Inputs, 1: XLR Mic Input
3: 1/4”TRS, 1: 1/8” (3.5mm) Outputs
Max Gain: 26 dB Line
26 dB Aux
80 dB Mic
Mic CMRR: 95 dB
S/N Ratio: >90 dB
THD: < .004%
IMD (SMPTE): < .004%
Self Noise: < - 82 dB
Power: 9-15 VDC
Size: 8.4” x 1.7”x 5”
(21.3 x 4.3 x 13 cm)
Weight: 2.5 lbs (1.14 kg)
R L
PAN
R L
BAL
R L
BAL
R L
BAL
R L
BAL
MODEL MX122
MADE IN
USA
15 VDC
OUTPUT phantom power
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MIC
TRIM
MIC
MASTER
LEVEL
PHONE/AUX
LEVEL
PHONE/AUX
OUTPUTS
pwr
RIGHTLEFT
LEVEL LEVEL LEVEL LEVEL
MIC LEVEL
on
FEATURES
• 1 XLR balanced Mic Input with rear panel Trim control
• +15VDC Phantom Power
• 4 individual 1/4” Stereo Inputs
• Balanced 1/4” TRS Outputs
• Balance control on each channel (Pan on the Mic channel)
• Headphone / Auxiliary Outputs
• External Power Supply included for low noise operation
Thank your for your purchase of the Rolls MX122 MiniMix Pro
Mixer. The MX122 is a line-level mixer featuring a single mic input
and four channels of stereo inputs.

Channel One
Mic Level: Adjusts the signal level of CH 1 XLR mic input.
Pan: Adjusts the relative level of the microphone signal to the Right
and Left Outputs.
Note: Channels Two through Five are identical.
Channel Two - Five Section
Level: Adjusts the overall signal level of the channel.
Bal: Adjusts the relative level of the channel signal to the Right and
Left outputs.
Master Level: Controls the overall output level of the MX122.
Phone/Aux Level: Adjusts the output level of the Phone/Aux Outputs.
Phone/Aux Outputs: 1/4”and 1/8” (3.5mm) TRS stereo jacks for moni-
toring the master right and left signals, also may be used as an alter-
native stereo output for connecting to another stereo amplier.
PWR: Indicates that the MX122 is connected to an AC outlet and is on.
15 VDC: Connects to the included Rolls PS27s 15 VDC power supply.
Master Outputs Right and Left: 1/4”TRS balanced main output jacks.
For connection to an amplier, recording device or signal processor.
Mic Input Channel 1: Balanced XLR jack for connection to a condenser
or dynamic microphone.
Phantom Power: Switch for applying +15V phantom power to the Mic
XLR Input jack.
Channel Inputs
Note: Channels Two through Five are identical.
Right / Left: 1/4”TS unbalanced jacks for connection to the right and
left outputs of a stereo instrument. If a mono signal is being sent, use
the Right input, for a Tip-Ring-Sleeve stereo signal, use the Left input.
Mic Trim: Adjusts the initial gain of the Mic preamp circuitry.
R L
PAN
R L
BAL
R L
BAL
R L
BAL
R L
BAL
MODEL MX122
MADE IN
USA
15 VDC
OUTPUT phantom power
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MIC
TRIM
MIC
MASTER
LEVEL
PHONE/AUX
LEVEL
PHONE/AUX
OUTPUTS
pwr
RIGHTLEFT
LEVEL LEVEL LEVEL LEVEL
MIC LEVEL
on
R L
PAN
R L
BAL
R L
BAL
R L
BAL
R L
BAL
MODEL MX122
MADE IN
USA
15 VDC
OUTPUT phantom power
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MONOSTER
RIGHTLEFT
MIC
TRIM
MIC
MASTER
LEVEL
PHONE/AUX
LEVEL
PHONE/AUX
OUTPUTS
pwr
RIGHTLEFT
LEVEL LEVEL LEVEL LEVEL
MIC LEVEL
on