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12 ULTRA-DI DI100 User Manual
This figure shows the standard application of any direct injection box. The signal to the
amplifier is unaffected, it is just tapped off to be routed to the microphone input of the mixer.
Especially bass guitars benefit from this application. It is difficult to find a microphone which
handles high level low frequencies well and with a linear frequency response. Using the
ULTRA-DI will give you clean and crisp sound. Connect the ULTRA-DI after any effects devices
so that their effect will be heard over the P.A.-system or on the recording. If the mixer provides
phantom power between 20 V and 52 V, the internal battery of the DI100 will automatically be
detached. You should chose this possibility whenever possible to save battery power.
2.2
Converting the output of a Keyboard / DJ-mixer /
Headphone plug
Fig 2.2: DJ-mixer 2 x DI mixer
This configuration can be used with a keyboard, DJ-mixer, headphone output, drum kit or
any (stereo or mono) line source. In all cases where you want to run long lines, for instance
to the FOH (Front Of House) desk. In most cases the best setting is achieved by depressing
one of the -20 dB pad buttons to avoid overloading the FOH desk input. The signal can be
linked through to another amplifier, if the keyboard player / DJ / etc. wants to have a monitor
connected independent of the foldback mix. The ULTRA-DI acts as both a ground isolator and
an unbalanced to balanced converter.
In
L
In
R
Microphone
Inputs panned
Left & Right
To Monitor
Out
Out
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