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DX2000USB PRO MIXER
Руководство по эксплуатации Страница: 6

Behringer DX2000USB PRO MIXER [6/17] Mono input channel 2

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6 PRO MIXER DX2000USB User Manual

Packing1.6

Your BEHRINGER PRO MIXER DX2000USB was carefully packed in the factory

and the packaging was designed to protect the unit from rough handling.

Nevertheless, we recommend that you carefully examine the packaging and its

contents for any signs of physical damage, which may have occurred in transit.

If the unit is damaged, please do not return it to us, but notify your ◊

dealer and the shipping company immediately, otherwise claims for

damage or replacement may not be granted. Shipping claims must be

made by the consignee.

Mono Input Channel2.

Plug a mic or line source (tape, CD player etc.) into the appropriate MIC [52] or

LINE [51] input. Speak or play music at typical volume to check out and set up

the channel.

Mic and line inputs are on balanced XLR and ¼" jacks respectively. ◊

Balanced operation gives best noise performance. Unbalanced

microphones need to have XLR pins 1 and 3 shorted. Any Line source

will work perfectly well if a mono jack is used, or the ring and barrel of

a TRS jack are shorted (see chapter 10 “CONNECTIONS”).

Input selection2.1

Inputs are on the back panel. Your input source is selectable between MIC and

LINE by a switch [1]. A pair of associated LEDs [2] lets you know which input

is selected.

Gain setting2.2

Gain is dependent on EQ. Set up your EQ before ﬁne-tuning gain. If you ◊

re-EQ, also re-check gain.

Quick way2.2.1

Channel input level is continuously monitored by a pair of LEDs [3]. As long as the

SIG. LED is ﬂickering and the CLIP is not, the gain is reasonable. Mic channel input

level can be continuously adjusted by the GAIN knob [4] (from +10 to +60 dB;

Mic signals are low, therefore they need to be heavily pre-ampliﬁed).

CLIP lets you know if you overload the channel (it lights at +18 dB).

SIG. lets you know if a signal is present (it only responds to bass ◊

frequencies). That’s why you can use it to keep an eye on the beats.

If you are using a mono line source in a mic channel, the gain structure ◊

is comparable to that on a stereo music channel, albeit 20 dB more

sensitive. (from - 10 to + 40 dB ; = 20 dB pad on mic input)

Gain setting by using PfL 2.2.2

Pre-Fader-Listen is the professional way to set gain. Hit the PFL button [13] to

temporarily send the channel signal to the PFL bargraph meter [39]. Adjust the

GAIN control until the bargraph meters are in the yellow (0 dB) but not the red

(Clip). Once gain has been set for a channel, release its PFL button.

You will usually want to PFL only one channel at a time, otherwise the ◊

PFL meter reading will be meaningless.

Insert point2.3

Situated on the rear of the console, mic channels have insert points [50] on TRS

jacks. (These are post-gain and pre-EQ). You can use these combined input/

output sockets to put a compressor, gate or any other signal processor(s) in line

with your microphone (see chapter 10 “CONNECTIONS”).

Compressors can help even out voice volume, adding loads of energy, ◊

but they can also cause feedback problems if over-used. Noise gates

shut oﬀ mics automatically when not in use—useful for keeping

out music spillage which can muddy the sound of your mix. Often a

compressor/gate combination is best. Check out the excellent

BEHRINGER range of interactive dynamics products.

Equalizer2.4

The mic channel EQ section comprises three control knobs and one switch.

Depressing the LOW CUT switch [5] rolls oﬀ the bass end (-18 dB/oct @ 75 Hz).

We recommend using this feature with microphones to eliminate “popping”

and handling noise. Where loud music is playing, LOW CUT also helps to avoid

bass feedback. Separate controls cut and boost HIGH [6], MID [7] and LOW

[8] frequencies respectively. Use EQ creatively to sweeten the sound of your

microphone, or defensively to help cut feedback (see below for EQ speciﬁcations).

EQ Frequency Range Centre

High Shelving EQ 10 kHz +/– 12 dB OFF

Mid Peaking EQ 750Hz +/- 8 dB OFF

Low Sheiving EQ 50Hz +/– 12 dB OFF

Tab. 2.4: Equalizer of the mono input channels

If you are serious about your mic channel, and want to really kill ◊

feedback, you can patch our FEEDBACK DESTROYER PRO DSP1124P

across the channel insert point at the rear of the console. It is ideal for

this purpose.

Output2.5

Mic channel output is fed directly into the main mix, not via the X and Y subgroup

channels. Level is controlled by a precision 100 mm fader [14], while stereo position

is set by the PAN control [10]. The channel signal is sent to the mix by depressing

the CHANNEL ON switch [12]. A LED indicator illuminates when the channel is

on. (Channel on is the inverse of the more traditional channel mute found on

standard recording consoles).

The mic channels are routed to the RECORD OUT jacks ◊ [66] on the rear

panel of the DX2000USB, but not to the LINE OUT jacks [22] situated to the

left of the main meters.

The faders used are special high-quality true-log faders. These give ◊

ultra-smooth operation even at low levels, on par with those used in

very expensive studio consoles.

Eﬀects2.6

You can patch a mono or stereo outboard eﬀects processor into your DX2000USB

via the SEND [53] and RETURN [54] jacks on the back panel. Now you can add eﬀects

to your voice instantly simply by punching the illuminated EFFECT button [9].

The eﬀect send level is dependent on the fader setting. Adjust the desired

amount of eﬀect (from -oo to +30 dB) by the FX RETURN knob [42] to the right of

the bargraph meters.

Set your eﬀects unit input level so that the input meter reading (if ◊

there is one) is healthy when you are sending a typical signal to it.

Too low a level will mean too much hiss on your eﬀects return, too high

and you’ll get distortion.

Stereo Input Channel3.

Plug a phono (turntable) or line source (CD player etc.) into the appropriate

PHONO/LINE [59] or CD [58] input. Play music at a typical volume to check out and

set up the channel. Press the PHONO/LINE button if you would like to use the

PHONO/LINE jacks for a line-level source instead of a turntable.

Behringer DX2000USB PRO MIXER [6/17] Mono input channel 2

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