Features – Alto Professional MIXPACK User Manual
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FEATURES
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AC100V ~ 50/60Hz
110 -120V ~ 50/60Hz
220 -240V ~ 50/60Hz
RATED POWER CONSUMPTION:600W
FUSE: 100V
110-120V
220-240V
T8 AL AC250V
T8 AL AC250V
T4 AL AC250V
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1.
POWER IN – Use the included power cable to connect the mixer to a power outlet. While the power is
switched off, plug the power cable into the mixer first, then plug the power cable into a power outlet.
2.
VOLTAGE SELECTOR – This 2-position switch sets the AC input voltage for the speaker. The switch
should already be set to the correct voltage for your location. (US users should set this switch to "100-
120V" whereas UK and most European users will need to set this to "220-240V.")
3.
POWER SWITCH – Turns the mixer on and off. Turn on the mixer after all input devices have been
connected. Make sure the MASTER LEVEL knob is set to "zero" before turning it on.
4.
SPEAKER OUTPUTS – Connect the speakers to these outputs using 1/4" cables.
5.
MIC INPUT (XLR) – Connect a microphone to these inputs with an XLR cable.
6.
LINE INPUT (1/4") – Connect line-level devices to these inputs with 1/4" TRS cables.
7.
LINE INPUT (1/4") – Connect line-level devices to these inputs with 1/4" TS cables.
8.
HI EQ (TREBLE) – Adjusts the high (treble) frequencies of the channel.
9.
MID EQ (MID) – Adjusts the mid-range frequencies of the channel.
10.
LOW EQ (BASS) – Adjusts the low (bass) frequencies of the channel.
11.
AUX SEND 1 – Adjusts the channel audio (pre-fader) level that is sent to the AUX SEND OUTPUT 1
and CTRL ROOM OUT.
12.
AUX SEND 2 – Adjusts the channel audio (post-EQ) level that is sent to the mixer's internal effects
processor or AUX SEND 2. Turn this up for the channels that you want effects applied to. You can use
this to apply effects to individual channels. (If you have an external device connected to the AUX SEND
OUTPUT 2 jack, the internal effects processor will be bypassed.)
13.
PAN – Adjusts the (mono) channel's position in the stereo field.
14.
BALANCE (CH 5/6) – Adjusts the balance between Channels 5 and 6.
15.
CHANNEL LEVEL – Adjusts the audio level on the channel.
16.
-20 dB SWITCH – When this button is engaged, the audio of that channel will be attenuated by 20 dB.
This can help increase the headroom and reduce distortion due to an overly loud input signal that
peaks frequently.