Behringer DI20 Manuel utilisateur

ULTRA-DI DI20

Professional Active 2-Channel DI-Box/Splitter

User Manual

2ULTRA-DI DI20

Table of Contents

Thank you ............................................................................................................... 2

Warranty ................................................................................................................. 3

Legal Disclaimer .................................................................................................... 4

Limited warranty ................................................................................................... 5

1. Welcome to the BEHRINGER Family!............................................................... 6

2. Controls.............................................................................................................. 6

3. Connection Options.......................................................................................... 8

3.1 Connecting a (bass)guitar..............................................................................................8

3.2 Converting output signals of a keyboard, DJ-mixer, etc......................................... 9

4. Audio Connections ........................................................................................... 9

5. Multilingual Documentation..........................................................................11

6. Specications...................................................................................................11

Thank you

Thank you for the condence you have placed in us

by purchasing the ULTRA-DI DI20 professional active

2-channel DI-box/splitter.

3ULTRA-DI DI20

Warranty

Terminals marked with this symbol carry

electrical current of sucient magnitude

to constitute risk of electric shock. Use only

high-quality professional speaker cables with

¼" TS or twist-locking plugs pre-installed.

Allother installation or modication should be

performed only by qualiedpersonnel.

This symbol, wherever it appears,

alertsyou to the presence of

uninsulated dangerous voltage

inside the enclosure-voltage that may be

sucient to constitute a risk ofshock.

This symbol, wherever it appears,

alertsyou to important operating

and maintenance instructions in

the accompanying literature. Please read

themanual.

Caution

To reduce the risk of electric shock,

donot remove the top cover

(orthe rear section). No user serviceable parts

inside. Refer servicing to qualied personnel.

Caution

To reduce the risk of re or

electric shock, do not expose this

appliance to rain and moisture. The apparatus

shall not be exposed to dripping or splashing

liquids and no objects lled with liquids,

suchas vases, shall be placed on the apparatus.

Caution

These service instructions are

for use by qualied service

personnel only. Toreduce the risk of electric

shock do not perform any servicing other than

that contained in the operation instructions.

Repairs have to be performed by qualied

servicepersonnel.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation

openings. Install in accordance with the

manufacturer’sinstructions.

8. Do not install near any heat sources

such as radiators, heat registers, stoves,

orother apparatus (including ampliers)

thatproduceheat.

4ULTRA-DI DI20

9. Do not defeat the safety purpose of the

polarized or grounding-type plug. A polarized

plug has two blades with one wider than the

other. A grounding-type plug has two blades

and a third grounding prong. The wide blade

or the third prong are provided for your safety.

Ifthe provided plug does not t into your

outlet, consult an electrician for replacement of

the obsolete outlet.

10. Protect the power cord from being

walked on or pinched particularly at plugs,

convenience receptacles, and the point where

they exit from the apparatus.

11. Use only attachments/accessories

specied by themanufacturer.

12. Use only with the

cart, stand, tripod, bracket,

or table specied by the

manufacturer, orsold with

the apparatus. When a cart

is used, use caution when

moving the cart/apparatus combination to

avoid injury from tip-over.

13. Unplug this apparatus during lightning

storms or when unused for long periods

oftime.

14. Refer all servicing to qualied service

personnel. Servicing is required when the

apparatus has been damaged in any way,

suchas power supply cord or plug is damaged,

liquid has been spilled or objects have fallen

into the apparatus, the apparatus has been

exposed to rain or moisture, does not operate

normally, orhas beendropped.

15. The apparatus shall be connected to a

MAINS socket outlet with a protective

earthingconnection.

16. Where the

MAINS plug or an

appliance coupler is used

as the disconnect device,

thedisconnect device shall

remain readilyoperable.

TECHNICAL SPECIFICATIONS AND

APPEARANCES ARE SUBJECT TO CHANGE

WITHOUT NOTICE AND ACCURACY IS NOT

GUARANTEED. BEHRINGER, KLARKTEKNIK,

MIDAS, BUGERA, AND TURBOSOUND

AREPART OF THE MUSIC GROUP

ALL TRADEMARKS

ARE THE PROPERTY OF THEIR RESPECTIVE

OWNERS. MUSICGROUP ACCEPTS NO

LIABILITY FOR ANY LOSS WHICH MAY BE

SUFFERED BY ANY PERSON WHO RELIES

EITHER WHOLLY OR IN PART UPON ANY

DESCRIPTION, PHOTOGRAPH OR STATEMENT

CONTAINED HEREIN. COLORS AND

SPECIFICATIONS MAY VARYFROM ACTUAL

PRODUCT. MUSIC GROUP PRODUCTS ARE

SOLD THROUGH AUTHORIZEDFULLFILLERS

AND RESELLERS ONLY. FULLFILLERSAND

RESELLERS ARE NOT AGENTS OF

MUSICGROUP AND HAVE ABSOLUTELY

NO AUTHORITY TO BIND MUSICGROUP BY

LEGAL DISCLAIMER

5ULTRA-DI DI20

ANY EXPRESS OR IMPLIED UNDERTAKING

OR REPRESENTATION. THIS MANUAL IS

COPYRIGHTED. NO PART OF THIS MANUAL

MAY BE REPRODUCED OR TRANSMITTED IN

ANY FORM OR BY ANY MEANS, ELECTRONIC

OR MECHANICAL, INCLUDING PHOTOCOPYING

AND RECORDING OF ANY KIND, FOR ANY

PURPOSE, WITHOUT THE EXPRESS WRITTEN

PERMISSION OF MUSICGROUPIPLTD.

Trident Chambers, Wickhams Cay,

P.O. Box 146, Road Town, Tortola,

BritishVirgin Islands

For the applicable warranty terms and

conditions and additional information

regarding MUSIC Group’s Limited Warranty,

please see complete details online at

LIMITED WARRANTY

6ULTRA-DI DI20

1. Welcome to the

BEHRINGER Family!

On stage as well as in studios, it is sometimes

advantageous to connect certain sound

sources directly to the mixing console.

Sincemany instruments (keyboards,

forexample) don’thave balanced outputs

they require a DI-box. Sometimes,

evenguitars can’t be directly connected to

mixing consoles because their impedance is

too high.

By using a DI-box, you can directly tap into

a high-impedance, unbalanced signal—

forexample, a signal between a guitar and a

guitar amplier. From this point, you can feed

this signal directly to a mixing console.

There are active and passive DI-boxes. A passive

DI-box is more aordable, but its performance

is dependent on the impedance of the device

to which it is connected. When the impedance

on the mixing console’s end changes, so does

the impedance at the input of the DI-box.

Such DI-boxes only function properly when

the connected impedance values are strictly

specied (high at the input, low at the output).

Active DI-boxes are not aected by these

impedance considerations. The input impedance

of the DI20 is extremely high, and it absolutely

does not inuence the signal ow through the

DI-box. The output impedance is balanced and

always very low, whereby the signal is far less

prone to being aected by noise.

◊ To prevent damaging your

loudspeakers, first connect the

DI-box and then hook up the

respective channel. The same goes

for alternating between battery and

phantom power operating modes.

2. Controls

N11999

Fig. 2.1: Controls of the DI20

7ULTRA-DI DI20

(1) CH. 1 IN input is used to connect

unbalanced as well as balanced signal

sources to channel 1.

(2) CH.1 OUT is the balanced output at mic

level for channel 1.

(3) CH.2 IN input is used to connect

unbalanced as well as balanced signal

sources to channel 2. In Link mode

(see(6)) this connector functions as

output and sends the signal

directly from channel 1.

(4) CH. 2 OUT is the balanced output at

mic level for channel 2. In Link Mode

(see(6)) this connector sends the signal

directly from channel 1.

(5) The ATTENUATION dampening switch

considerably increases the useful

operating range of the DI20 from low

signal levels of a high-impendence

microphone or a guitar, all the way

to the speaker connectors of a guitar

amplier (solid state). You can

select between 20 and 40 dB worth

ofattenuation.

◊ You should only use the ATTENUATION

switch when your DI20 rather than

the mixing console preamp begins

distorting. Otherwise refrain

from using this function to avoid

excessive dampening.

(6) The MODE switch lets you select the

operating modes of the DI20. In the

2-CH mode, two independent signals

can be connected to channels 1 and 2

respectively. In LINK mode the DI-box

functions as a splitter: One signal can

be fed to the channel 1 input and split

into two balanced signals (at outputs

1 and 2) and an unbalanced signal

at CH.1 OUT. The un-balanced signal

can, forexample, be connected to an

additional amplier.

◊ When connecting a tube amplifier

to the input of the DI20, please keep

in mind that an appropriate load

resistance (e. g. a loudspeaker)

must be connected to the CH.1 OUT

(LINK MODE) connector.

(7) The BATTERY switch activates the

battery powered mode. Set the battery

operating mode to OFF when your

DI20 is connected to phantom power.

While setting it to OFF, brief whistling

noise may occur. This is completely

normal and needs no further attention.

However, you should not change the

battery switch when you have an amp

connected. For battery operation,

you’llonly need a commercial 9 V

battery of the 6LR61 type.

8ULTRA-DI DI20

(8) By using the GROUND switch, you can

interrupt (LIFT) the grounding between

the input and output. Depending on

how other devices connected to your

DI-box are grounded, ground loops can

be eliminated.

◊ Never connect pin 2 or pin 3 to pin 1!

Never remove the screen protection

on pin 1. Otherwise, you won’t be able

to run the DI20 on phantom power

(for example, phantom power from a

mixing console).

Battery compartment

To access the battery compartment,

loosenthe screw on the rear.

3. Connection Options

3.1 Connecting a (bass)guitar

Out

Link Out

ULTRA-DI DI20

EURORACK

UB2222FX-PRO

Fig. 3.1: Guitar ➠DI-box ➠guitar amp/mixing console

This illustration shows the standard

application of a DI-box. The signal is fed

unbalanced to a guitar amp and balanced to a

mixing console (LINK mode). This application

has advantages when used with bass guitars,

because very few microphones are able to

pick up low frequencies at high levels.

9ULTRA-DI DI20

3.2 Converting output signals of

a keyboard, DJ-mixer, etc.

ULTRA-DI

DI20

Mic In

PRO MIXER

VMX200

Out

EURORACK UB2222FX-PRO

Fig. 3.2: DJ-mixer ➠DI-box ➠mixing console

This conguration is recommended when

using a DJ-mixer or another signal source,

which sends an unbalanced line level signal.

In addition, if you need a separate monitor

signal, the line level signal can be sent to

another amplier.

4. Audio Connections

The BEHRINGER ULTRA-DI DI20 features

electronically servo-balanced standard inputs

and outputs. The circuit design is equipped

with automatic hum suppression for balanced

signals and operates problem-free even at

high levels. Externally induced mains hum

is thus eciently suppressed. The servo

function automatically detects unbalanced

pin connections and changes the nominal

level internally by 6 dB so that there is

no dierence in level between input and

outputsignals.

For unbalanced use, pin 1 and pin 3

have to be bridged

1 = ground/shield

2 = hot (+ve)

3 = cold (-ve)

input

output

Balanced use with XLR connectors

Fig. 4.1: XLR connectors

10 ULTRA-DI DI20

strain relief clamp

sleeve

tip

sleeve

(ground/shield)

Unbalanced ¼" TS connector

tip

(signal)

Fig. 4.2: ¼" TS connector

strain relief clamp

sleeve

ring

tip

sleeve

ground/shield

For connection of balanced and

unbalanced plugs, ring and sleeve

have to be bridged at the stereo plug.

Balanced ¼" TRS connector

ring

cold (-ve)

tip

hot (+ve)

Fig. 4.3: ¼" TRS connector

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