MX34c LiveMix
HEADSET
MIC
1/8”
c
12 VDC
CHANNEL 1
CHANNEL 2
+
AUX STEREO
IN
POWER
-
INPUTS
OUT
OUTPUT LEVEL
MIC
LINE
MADE IN USA
LiveMix
Two Channel Stereo
Microphone Mixer/
Headset Mixer
MX34c
QUICK START
ROLLS CORPORATION
SALT LAKE CITY, UTAH
04/10
OPERATION GUIDE
SCHEMATIC
DESCRIPTION
FRONT PANEL
HEADSET
MIC
1/8”
c
MIC1 and MIC2
LEVEL: Adjusts the amount of signal of the indicated Microphone channel.
PAN: Adjusts the relative level of signal from the channel to the Right/Left Output.
pwr: When lit, indicates that the MX34c is on. A dim light indicates low battery
voltage.
HEADPHONE
LEVEL: Adjusts the amount of signal from the Headphone Output.
OUTPUT: 1/8” (3.5mm) jack containing the Headphone Output signal.
REAR PANEL
OUTPUT LEVEL
MIC
LINE
INPUTS
STEREO
OUT
AUX
IN
12 VDC
+
POWER
CHA2NNEL
CHA1NNEL
INPUTS: 1 - 2: XLR balanced inputs for connection to any standard dynamic or condenser
microphone. The input circuitry has a very wide input range and can accommodate almost
any (mic to line) level signal.
AUX IN: Tip-Ring-Sleeve stereo 1/8” (3.5mm) jack for connecting to another line-level
stereo signal source.
STEREO OUT: Tip-Ring-Sleeve stereo 1/8” (3.5mm) jack for connection to a camera or
other stereo input.
MIC/LINE OUTPUT LEVEL: Button for switching the stereo output level to MIC or LINE.
Follow the silk screening of the unit for switch
orientation.
POWER: Button applies power to the MX34c.
12 VDC jack: For connection to the Rolls PS27
12VDC power supply.
BATTERY INSTALLATION: To replace the 9 V alkaline batteries, first carefully press in
and up on the door to release the battery compartment. It then slides out and you can
replace the battery. Remember to replace both batteries at the same time.
PHANTOM POWER: Follow the silk screening of the MX34c to activate phantom power to
the input XLR’s.
5
2
CONNECTION
OPERATION
Connect microphones to the MX34c via balanced XLR cables.
Stereo auxiliary sources such as the output from another mixer, AM/FM tuners,
CD Players, and MP3 players may be connected to the AUX IN via a stereo 1/8”
(3.5mm) Tip-Ring-Sleeve plug.
Connect the STEREO OUT to the Input of your recording device also using a
stereo 1/8” (3.5mm) Tip-Ring-Sleeve plug.
Once your MX34c is properly connected, apply power by pressing in the POWER
button on the rear panel. The blue pwr LED on the front panel should light.
If you are using condenser type microphones, apply the phantom power to the
desired channels. Test the microphone levels by speaking into the microphones
at a normal operating volume, and adjust the Mic Level controls until you achieve
desired levels. Adjust each Pan control to place the signal in the stereo field.
If you wish to use AC power for the MX34c, connect the Rolls PS27 12VDC
power supply.
Adjust the Headphone Level control for a comfortable listening volume.
OUTPUT LEVEL
MIC
LINE
INPUTS
STEREO
OUT
AUX
IN
12 VDC
+
For best results, we recommend recording a couple of test runs to ensure you
have proper levels set.
POWER
CHANNEL
2
CHANNEL
1
HEADSET
MIC
1/8”
c
When the signal becomes weak and distorted, or the pwr LED dims, the batter-
ies will need replacing. See page 2; Battery Installation for details.
To camera input
or other mic or
line level stereo
input
Connect STEREO headphones
or earphones to the 1/8” (3.5mm)
HEADPHONE OUTPUT located
on the MX34c front panel.
NOTE: ON CONNECTING A WIRELESS MIC TO THE AUX INPUT
DO NOT CONNECT A MONO PLUG TO
TIP RING SLEEVE
STEREO PLUG
MONO PLUG
THE AUX IN OR STEREO OUTPUT. DO-
ING SO WILL RESULT IN SIGNAL LOSS
OR DAMAGE TO THE MX34c.
If you need to connect a MONO signal (like
the output of a wireless microphone) to the
AUX IN of the MX34c, you will need to make or
purchase a MONO TO STEREO cable.Shown
here is a diagram of this cable’s wiring.
Tip and Ring are wired together,
then connected to the Tip of the
Mono Plug.
3
4
|