Behringer DI400P Manual

ULTRA-DI DI400P

Thank you for showing confidence in BEHRINGER

products by purchasing the ULTRA-DI DI400P.

The DI400P is a high-performance passive direct

injection box.

◊

Please read the safety instructions that

appear at the end of this document.

Being on stage or in the studio, musicians often look

for ways to connect certain signal sources directly

to the mixing console. Even though this approach

has obvious advantages, there are still some

technical hurdles obstructing its implementation.

For example, keyboards seldom feature balanced

outputs, and guitars can not be directly connected

to mixing consoles because of the high impedance

of guitar signals.

The DI400P lets you

directly

tap into a

high-impedance, unbalanced signal—for example,

the signal between a guitar and a guitar amp.

From there on, you can feed the signal directly to a

mixing console.

1. Control Elements and Connections

(1)

(3)

(2)

(4)

Fig. 1: Top view

(1)

+

(2)

PARALLEL IN/OUT

(¼" TS):

These connectors are used for connecting

unbalanced signal sources. Because both

connectors are wired in parallel, they can be

used both as an input and as a direct output to

loop the signal through to a monitor amplifier.

(3)

OUTPUT

(XLR): This is the balanced mic-level

output. Use a high-quality balanced

microphone cable to establish connection.

(4)

Using the

GND LIFT

(ground lift) switch,

you can fully separate input and output

grounding. Depending on how the equipment

to which your DI400P is connected is

grounded, using the GND LIFT switch lets you

lower hum noise or ground loops. When the

GND LIFT switch is in LIFT position, the ground

connection is interrupted.

The

SERIAL NUMBER

of the DI400P is located

at the bottom.

2. Connecting an Instrument Signal

Instrument Input

Parallel Out

Microphone Input

In

Out

Fig. 2: Guitar

→

DI-box

→

guitar amp/mixer

This illustration shows the 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 DI400P after the effects

device, so that you can monitor the effects via the

PA system or the recording as well.

Behringer DI400P Manual

Behringer DI400P Manual

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