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Alto OEX-400 User Manual page 7

Versatile mixer with dsp effects, l&r full range speaker cabinets
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3.1 MONO INPUT CHANNELS
There is CH1 through CH5, which comes with balanced
MIC IN and LINE IN connectors. Use the XLR (MIC IN)
socket to connect low impedance microphone or low
level signal. Use the 1/4" TRS (LINE IN) jack to connect
either a microphone or a line level instrument such as
synthesizers, drum machines, effect processors or any
other line level signal.
Note: You shall never connect an unbalanced microphone
to the XLR
socket
if you do not want to damage both
the microphone and the monitor.
3.2 STEREO INPUT CHANNEL
In addition, for CH4/5 you also can connect a stereo input
signal with TRS jack.
3.3 LEVEL CONTROL
This control is used to adjust the overall level of respective
channel. The adjustable range goes from -
3.4 DSP/FX AUX1 POST CONTROL
This control is configured as POST-FADER, so the audio
signal will be affected by channel level control. Via the FX
SEND socket, the AUX1 signal can be sent to an external
effect device.
3.5 EQUALIZER
Your OEX-400 features a 2-band equalizer allowing you to adjust the high and low frequencies separately on
each mono channel. Both bands provide up to +15dB of boost or cut.
5
HIGH
This is the treble control. You can use it to get rid of high frequency noises or to boost the sound of cymbals
or the high harmonics of the human voice. The gain range goes from -15dB to +15dB with a center frequency
of 12kHz.
6
LOW
This is the bass control. It is used to boost male voice or kick-drum and bass guitar. Your system will sound
much bigger than what it is. The gain range goes from -15dB to +15dB and the center frequency is 80Hz.
7
3.6 TPAE IN
The signal input of CH6/7 is used to connect to dual
RCA jacks (left and right). If you wish to listen to your
monitor from a tape recorder, DAT or cassette, please
use these tape input jacks.
3.7 TAPE OUT
Via these jacks, you can route the main out signal into
a tape recorder or DAT for recording.
1
3
4
8
2
to +10dB.
6
5
6
4
3
1
2
2
7
8

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