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UNiKA DI-BOX

    User Guide

3

AUDIO CONNECTION

As with all audio gear, always ensure audio system levels are turned down or 

equipment turned off before making connections. This will avoid plug-in or turn-on 

transients from damaging more sensitive components such as tweeters.

The DI-BOX feature XLR-¼"TRS combo jack INPUT, a ¼" thru-put LINK and a balanced 

XLR OUPUT.

Connect your source instrument to the input and the balanced XLR output to the PA 

system or recorder. The LINK connector output provides the means for connecting the 

signal to a stage amp or personal monitor system. Simply connect the LINK to your 

amp or monitor. 

Unbalanced cables are much more susceptible to noise than their balanced 

counterparts. Keeping unbalanced cables under 8 meters (25') in length is good 

practice while balanced cables can easily extend to 100 meters (300'). 

The balanced output of the DI-BOX is mic level, meaning that it should be connected to 

the mic input of a mixing console or mic preamp. Once connected, make sure phantom 

power is activated.
When 2 or 3 keyboards are used by a single performer, it is possible to reduce the 

number of DI boxes needed if a mixer/amplifier is used by the performer for his personal 

monitoring. A single DI box can be fed either from a line-level output from the head (pad 

set to -20dB) or from the amplifier power output (speaker output) (pad set to -40dB).

Using the amplifier's output means that the signal being fed to the console is post any 

effects units and the power stage of the amplifier, and so will be more representative of 

the signal being fed to the speaker, including any deliberately introduced overdrive etc. 

Use the -40dB setting for this application.

Instrument direct input & Parallel link connection

For Unbalanced connection, pin-3 should be connected to Ground with pin-1.

 

XLR-TRS Combo input

1-Ground

2-Signal Hot +

3-Signal Cold -

Fig-2: XLR-¼"TRS Combo 

   

socket for direct input

Fig-1: XLR Plugs Balanced connection:

      

1-Ground

      

2-Signal Hot (+)

      

3-Signal Cold (-)

1

Female

Male

2

1

3

3

2

Summary of Contents for Di-Box

Page 1: ...04 Eliminating Hum and Buzz and the Ground Loop 06 Specifications DI Box Made in Taiwan USER GUIDE 6F No 168 Xin Hu 2nd Rd Nei Hu District Taipei City 11494 Taiwan Republic of China 886 2 27933017 88...

Page 2: ...further clarification please send email to us and we will do our very best to reply in short order FEATURES Single channel high impedance direct inputs with XLR 1 4 TRS combo connector for electronic...

Page 3: ...ic musical instrument signal feed TRS LINK socket carries a parallel wired direct feed from the input POWER ON OFF LED indicator Phantom Power indicator POWER switch Used to switch the power ON OFF Gr...

Page 4: ...it should be connected to the mic input of a mixing console or mic preamp Once connected make sure phantom power is activated When 2 or 3 keyboards are used by a single performer it is possible to re...

Page 5: ...to the instrument s own amplifier The direct input can also be fed either from a line level output from the head pad set to 20dB or from the amplifier power output speaker output pad set to 40dB ELIMI...

Page 6: ...48 volts The DI BOX accepts supply voltages of 48 volts down to 20 volts without loss in performance While the DI BOX is receiving good phantom power the power LED is lit continuously Should the suppl...

Page 7: ...ched Transformer Balanced Output Balanced transformer isolated XLR M Pin 1 Ground Pin 2 Hot Pin 3 Cold Frequency response 30Hz to 20KHz 0 1 dB Dynamic range 109dB Noise oor 105dBu unweighted 22Hz to 2...

Page 8: ......

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