Behringer EURODESK SX4882 User Manual download pdf (Page 6)

6 EURODESK SX4882 User Manual

3.3 Input gain setting

The channel input level is set by the TRIMPOT ((P2)). Use SOLO/PFL ((S26)) tobring

the channel’s input onto the L/R bargraph meters under the master section of

the EURODESK SX4882. This also sends the SOLO/PFLed signal to the left and right

speakers. Channel PFL/SOLO ((S26)) has an associated LED ((L26)). (Seealso13.1

“A-channel setting up procedure” and 6.5 “PFL/SOLO”.)

◊ For level-setting (as opposed to localized listening) choose to use the

mono PFL rather than the post fader SOLO bus (( S95) DOWN).

◊ SOLO/PFL never interrupts the mix at the main recording outputs.

It follows that aux sends and su/jointfilesconvert/347833/bgroups must also be unaffected,

since they can contribute directly to the main mix.

In addition to switchable PFL/SOLO metering, a couple of LEDs ((L24) and (L25))

continuously monitor whether a signal is present (-20 dB) or the channel is

goinginto overload (PEAK). These take their cue from three test points: input,

post EQ and post fader. In all cases the higher level wins. You do NOT want the

overload light to come on, or if it does no more than very intermittently during

atake or a mix.

3.4 Main equalizer

EQUALIZER

(P 4)

(P 5)

(P 6)

(P 7)

(P 8)

(P 9)

(S 10)

(S 11)

Fig. 3.3: Main equalizer

The main equalizer can be switched (

(S10)

) out of circuit for easy A/B comparisons

between EQed and straight signals, or when you know that you don’t want to use

desk EQ at all. It is best considered in three sections. First,thereare two Baxendall

shelving frequency controls for treble and bass, at12 kHz and 80 Hz respectively

(

(P4)

and

(P9)

). These are DUPLICATED for the B-channel (

(P18)

and

(P19)

), not merely

“SPLIT” o from the main EQ. I.e. you can have a full 4-band EQ on the main

channel AND a 2-band EQ on B-channel.

Secondly, there are two semi-parametric swept mids, Q xed at 1, which cover

the bands 300 Hz to 20 kHz and 50 Hz to 3 kHz. An unusually broad frequency

range is catered for, and there is an enormous 3-plus octave overlap between

the two mid bands ((P5), (P6), (P7) and (P8)). No experienced engineer will complain

about that! All four bands oer 15 dB of cut and boost.

Thirdly, there is a steep high pass (low cut) lter ((S11)), slope @ 12 dB/octave,

-3 dB @ 75 Hz, for reducing oor rumble, plosives, woolly bottom end, etc.

3.5 Aux sends

All six aux sends are mono and post EQ. They are switchable PRE/POST fader

in two banks ((S13) and (S16)). For aux sends 1 and 2, two dedicated pots

((P12) and (P13)) are used. These can be taken from a point before or after the

channel fader, i.e. PRE or POST ((S13)). Aux sends 3 and 4, and 5 and 6 are serviced

by two potentiometers ((P14) and (P15)). The SHIFT button ((S15)) determines

whether buses 3 and 4 or 5 and 6 are addressed. Also, these four sends can be

derived from the main mix or MIX-B, depending on SOURCE ((S17)), and, as before,

can be pre or post ((S16) ).

(P12)

(P13)

(S13)

(P14)

(P15)

(S15)

(S16)

(S17)

AUX SENDS

Fig. 3.4: Aux sends

◊ For almost all FX SEND purposes, you will want auxes to be post

fader, so that when a fader level is adjusted, any reverb send from

that channel follows the fader. Otherwise, when the fader is pulled

down, the reverb from that channel would still be audible. For CUEing

purposes, aux sends will usually be set pre fader, i.e. independent of

the channel fader ((S13) and (S16)).

◊ Most reverbs etc. sum up the left and right inputs internally. The very

few that don’t may be driven in true stereo either by 1) 2 aux sends or 2)

the MIX-B bus (see section 3.7 “B-channel”).

◊

There is +15 dB of gain on every aux send. Such a high boost is only

appropriate where the channel fader is set around -15 dB or lower.

Here, an almost exclusively WET signal will be heard. Previously, in most

consoles, such a wet mix required the use of a PRE setting for the

channel auxiliary send. This meant losing fader control over the signal.

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Behringer EURODESK SX4882 User Manual Page 6

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