Behringer Ultra-DI DI600P User's Manual

Behringer Audio User's Manual - Ultra-DI DI600P.
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ULTRA-DI DI600P
Thank you for showing confidence in BEHRINGER products by purchasing 

the ULTRA-DI DI600P. The DI600P 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 DI600P 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

(1)

(3)

(4)

(5)

(6)

(2)

Fig. 1: Top view

(1) 

Use the INPUT (¼" TS) connector for connecting signal sources.

(2) 

OUTPUT (¼" TS). This is the unbalanced paral el output. Connect it to 

the input of your backline or monitor amplifier.

Because the connectors (1) and (2) are wired in paral el, the OUTPUT 

connector can be used both as an input and as a direct unbalanced output 

of the INPUT signal. For the latter, you can for example connect OUTPUT 

with the input of 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 ful y separate input 

and output grounding. Depending on how the equipment to which 

your DI600P 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.

(5) 

The INST/AMP attenuation switch (30 dB) increases the operating 

range of the DI600P considerably, from low signal levels of a 

high-impedance mic or a guitar (INST), all the way to speaker 

connectors of a guitar amplifier (AMP).

(6) 

Switchable FILTER for guitar applications (7.5 kHz, -3 dB).

The SERIAL NUMBER of the DI600P is located at the bottom.

2. Applications

2.1 Connecting an instrument signal

Input

Output

Instrument Input

Microphone Input

Out

Fig. 2: Guitar 

 DI-box  guitar amp/mixer

This il ustration 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 

DI600P after the effects device, so that you can monitor the effects via the 

PA system or the recording as well.

2.2 Taking a signal from a speaker output

In

-30 dB!

- (black/negative)

+ (red/positive)

Out

Fig. 3: Connection to a power amp output

Sometimes, you want to take a signal directly from a speaker output, 

even though just one speaker output is available. When you set the 

INST/AMP switch to AMP, you can connect an amp output to your mixing 

console (up to 3,000 Watts into 4 Ohms), without worrying that it will be 

damaged due to overload!

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