Behringer ULTRA-DI PRO DI800 Manual - Page 8

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8 ULTRA-DI PRO DI800 User Manual 3. Applications 3.1 Connecting a guitar/bass signal DI600 In Microphone Input Out Link Out 3.3 Converting a microphone signal Average-quality microphones often feature unbalanced, high-impedance outputs. The DI800 lets you wire such mics to the mixing console using long cables without running the danger of inducing hum or interference noise. To this end, the microphone has to be connected to the input of the DI-box, and the DI-box's output needs to be connected to the mic input on the mixing console. Fig. 3.1: Guitar DI-box guitar amp/mixer This illustration shows the standard application of a DI-box. The signal feeding the amplifier remains unchanged; it is simply taken and routed into the amp. The low-impedance balanced signal is forwarded to the mic input of the mixing console. This application has its advantages particularly with bass guitars, because very few microphones can linearly transmit bass frequencies with high signal levels. If you are using effects, insert the DI800 after the effects device, so that you can monitor the effects via the PA system or the recording as well. 3.2 Converting output signals of a keyboard, DJ mixer, etc. L R In Out Fig. 3.3: Microphone connection 3.4 Taking a signal from a speaker output Sometimes, you want to take a signal directly from a speaker output, even though just one speaker output is available. By using the -30 dB switch on the DI800, you can connect your mixing console to an amp output (up to 3,000 Watts into 4 Ohms), without worrying that the DI800 will be damaged due to overload! If you are using a tube amp, you should connect a speaker or a similar load resistance to the LINK output. In In Out Out -30 dB! In Turn pan pots fully (counter) clockwise on microphone channels Fig. 3.2: DJ mixer DI-box mixer This configuration lends itself to use with a keyboard, DJ mixer or other mono/stereo signal sources with line level, particularly when using long cables (e.g. connecting to a FOH mixer). The signal can be looped through to another amplifier via the link output. Thus, you get a monitor signal that is independent from the actual FOH signal (useful for keyboarders, DJs etc.). Out + (red / positive) - (black / negative) Fig. 3.4: Connection to a power amp output

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ULTRA-DI PRO DI800 User Manual
3.
Applications
3.1
Connecting a guitar/bass signal
Microphone Input
Link Out
In
Out
DI600
Fig. 3.1: Guitar
DI-box
guitar amp/mixer
This illustration shows the standard application of a DI-box. The signal
feeding the amplifier remains unchanged; it is simply taken and routed
into the amp. The low-impedance balanced signal is forwarded to the
mic input of the mixing console. This application has its advantages
particularly with bass guitars, because very few microphones can
linearly transmit bass frequencies with high signal levels. If you are
using effects, insert the DI800 after the effects device, so that you can
monitor the effects via the PA system or the recording as well.
3.2
Converting output signals of a
keyboard, DJ mixer, etc.
Turn pan pots fully
(counter) clockwise
on microphone channels
In
In
Out
Out
L
R
Fig. 3.2: DJ mixer
DI-box
mixer
This configuration lends itself to use with a keyboard, DJ mixer or
other mono/stereo signal sources with line level, particularly when
using long cables (e.g. connecting to a FOH mixer). The signal can be
looped through to another amplifier via the link output. Thus, you get
a monitor signal that is independent from the actual FOH signal
(useful for keyboarders, DJs etc.).
3.3
Converting a microphone signal
Average-quality microphones often feature unbalanced,
high-impedance outputs. The DI800 lets you wire such mics to the
mixing console using long cables without running the danger of
inducing hum or interference noise. To this end, the microphone has
to be connected to the input of the DI-box, and the DI-box’s output
needs to be connected to the mic input on the mixing console.
In
Out
Fig. 3.3: Microphone connection
3.4
Taking a signal from a speaker output
Sometimes, you want to take a signal directly from a speaker output,
even though just one speaker output is available. By using the -30 dB
switch on the DI800, you can connect your mixing console to an
amp output (up to 3,000 Watts into 4 Ohms), without worrying that
the DI800 will be damaged due to overload! If you are using a tube
amp, you should connect a speaker or a similar load resistance to the
LINK output.
Out
In
-30 dB!
+ (red / positive)
- (black / negative)
Fig. 3.4: Connection to a power amp output