Behringer QX2222USB [8/26] Interface panel and main section
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Behringer QX2222USB [8/26] Interface panel and main section

Behringer QX2222USB [8/26] Interface panel and main section
8 XENYX QX2442USB/QX2222USB/QX1832USB/QX1622USB User Manual
2.2.2 Equalizer stereo channels
The stereo channels contain a stereo EQ section. The cut-o frequencies of
the high and low bands are 12 kHz and 80 Hz respectively, while the center
frequencies of the high-mid and low-mid bands are 3 kHz and 500 Hz
respectively. The HIGH and LOW controls have the same characteristics as the EQ
in the mono channels. Both mid range bands are of the peak lter type. A stereo
EQ is superior to two mono EQs on a stereo signal as two separate EQs will usually
result in a discrepancy between left and right channels.
2.2.3 Aux sends stereo channels
In principle, the aux sends of the stereo channels function the same way as those
of the mono channels. As the aux sends are mono, the send from a stereo channel
is rst summed to mono before it reaches the aux bus.
2.2.4 Routing switch, solo and channel fader
Fig. 2.6: Balance control and mute switch
BAL
The BAL(ANCE) control has a similar function to the PAN control in the
monochannels.
The balance control determines the levels of the left and right input signals
relative to each other before both signals are routed to the left/right main mix
bus (or odd/even subgroup).
The remaining control elements in the stereo channels perform the same
functions as their counterparts in the mono channels (MUTE switch, MUTE and
CLIP LEDs, SOLO switch, SUB and MAIN switches and channel fader).
2.3 Interface panel and main section
Where it was useful to trace the signal ow from top to bottom in order to gain
an understanding of the channel strips, we now look at the mixing console from
left to right. The signals are, so to speak, collected from the same point on each of
the channel strips and then routed to the main section all together.
2.3.1 MON control, aux sends 1, 2 and 3 (FX)
Turning up the AUX 1 control in a channel routes the signal to the aux send bus 1.
◊ As the QX1832USB is equipped with an additional monitor path, its first
aux control in the channel strips is named MON. The console also has a
dedicated master fader (MON SEND) for this aux path.
AUX SEND 1, 2 and 4
The AUX SEND 1 control governs the master send level of the mix created by the
individual channel AUX 1 sends.
Likewise, the AUX SEND 2 control is the master control for the aux 2 bus,
and AUX SEND 4 controls the AUX 4 bus.
QX2442USB
Fig. 2.7: The AUX SEND controls of the main section
AUX SEND 3 (FX)
The FX control determines the signal level for eects processing, i.e. regulates
the level to an external (or the internal) eects device.
QX1622USB and QX1832USB: On these consoles, this function is performed by the
AUX SEND 2 control (FX).
SOLO
You can use the SOLO switch to separately monitor the aux sends via the CONTROL
ROOM/PHONES outputs and check these with the level meters.
◊ If you want to monitor the signal of just one AUX bus, none of the other
SOLO SWITCHES should be pressed and the MODE switch should be in
the SOLO position (not depressed).
2.3.2 Aux send jacks
QX2442USB
QX1832USB
Fig. 2.8: Aux send jacks
AUX SEND jacks
The AUX SEND jack should be used when hooking up a monitor power amp or
active monitor speaker system. The relevant aux path should be set pre-fader.
◊ On the QX2222USB, aux send 1 is hard wired as pre-fader and hence
called MON. Model QX1832USB has a dedicated monitor output
(MON OUT jack), cf. chapter 2.3.4.
As already mentioned, the aux sends in the channels— if set post-fader—
canbe used to connect to external eects devices.

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