Behringer Xenyx X1204USB Owner's Manual

XENYX X1204USB/1204USB User Manual

CLIP-LED
The CLIP LED lights up when the input signal is driven too high. In this case, 

turn down the GAIN control and, if necessary, check the setting of the channel EQ.

SOLO
The SOLO switch (X1204USB only) is used to route the channel signal to the 

solo bus (Solo In Place) or to the PFL bus (Pre Fader Listen). This enables you to 

monitor a channel signal without affecting the main output signal. The signal 

you hear is sourced either before (PFL, mono) or after (solo, stereo) both the pan 

control and the channel fader (see chapter 2.3.6 “Level meters and monitoring”).
The channel fader determines the level of the channel signal in the main mix 

(or submix).

Fig. 2.5: Stereo channel inputs and LEVEL switch

Each stereo channel has two balanced line level inputs on ¼" connectors for left 

and right channels. If only the connector marked “L” is used, the channel operates 

in mono. Stereo channels are designed to handle typical line level signals.
Both inputs can also be used with unbalanced jacks.

LEVEL
For level matching, the stereo inputs feature a LEVEL switch which selects 

between +4 dBu and -10 dBV. At -10 dBV (home-recording level), the input is 

more sensitive than at +4 dBu (studio level).

2.2.2  Equalizer stereo channels
The equalizer of the stereo channels is, of course, stereo. The filter characteristics 

and crossover frequencies are the same as those of the mono channels. A stereo 

equalizer is always preferable to two mono equalizers if frequency correction of a 

stereo signal is needed. There is often a discrepancy between the settings of the 

left and the right channels when using separate equalizers.

2.2.3  Aux sends stereo channels
In principle, the aux sends of the stereo channels function in just the same way as 

those of the mono channels. As aux send paths are always mono, the signal on a 

stereo channel is first summed to mono before it reaches the aux bus.

BAL
The function of the BAL(ANCE) control corresponds to the PAN control in the 

mono channels.
The balance control determines the relative proportion between the left and 

right input signals before both signals are routed to the main stereo mix bus.
The MUTE/ALT 3-4 switch, the MUTE-LED, the CLIP-LED, the SOLO switch and the 

channel fader function in the same way as the mono channels.

Whereas it was useful to trace the signal flow 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.

Fig. 2.6: AUX SEND controls of the main section

A channel signal is routed to aux send bus 1 if the AUX 1 control is turned up on 

the corresponding channel.

AUX SEND 1 (MON)
The AUX SEND control MON acts as master control for aux send 1 and determines 

the level of the summed signal. In the X1204USB, the MON control is called 

AUX SEND 1.

AUX SEND 2 (FX)
Similarly, the FX control (AUX SEND 2) determines the level for aux send 2.

SOLO
You can use the SOLO switch (X1204USB only) to separately monitor the aux 

sends via the CONTROL ROOM/PHONES outputs and check these with the 

level meters.

Fig. 2.7: Aux send connectors

AUX SEND 1
If you use aux send 1 pre-fader, you would usually connect the AUX SEND 1 

connector to monitors via a power amp (or an active monitor system). If you use 

aux send 1 post-fader, proceed as described under aux send 2.

AUX SEND 2
The AUX SEND 2 connector outputs the signal you picked up from the individual 

channels using the FX control. You can connect this to the input of an effects 

device in order to process the FX bus signal. Once an effects mix is created, 

the processed signal can then be routed from the effects device output back into 

the STEREO AUX RETURN connectors.