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Unika Box Series User Manual

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Box Series
Made in Taiwan
Index
01 Overview
01 Features
03 Audio Connection
04 Various Instruments Connection
04 Input PAD Attenuation
05 Eliminating Hum and Buzz and
the Ground Lift
05 How to Replace DI-BOX Battery
06 Specifications
USER GUIDE
DI-BOX2
Unika Electronic Co., Ltd.
w w w . u n i k a . c o m . t w
6F, No.168, Xin-Hu 2nd Rd.
Nei-Hu District, Taipei City. 11494.
Taiwan, Republic of China.
　　+886 2 27933017
　　+886 2 27928264
　　unika@unika.com.tw

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Summary of Contents for Unika Box Series

  • Page 1 Index 01 Overview 01 Features 03 Audio Connection Unika Electronic Co., Ltd. 04 Various Instruments Connection w w w . u n i k a . c o m . t w 04 Input PAD Attenuation 6F, No.168, Xin-Hu 2nd Rd.

  • Page 2: Overview

    User Guide OVERVIEW The Unika DI-BOX2 is a 2 channels active direct box, it is very easy to use, simply plug it in, turn on the power and it goes to work. However, there are a number of features built in that should be understood in order to get the most out of the DI-BOX2.
  • Page 3 UNiKA DI-BOX2 User Guide ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩⑪ ① Ch-1 ¼" TRS LINK socket carries a parallel-wired direct feed from the input. ② Ch-1 high impedance direct input for electronic musical instrument signal feed.

  • Page 4: Audio Connection

    UNiKA DI-BOX2 User Guide AUDIO CONNECTION Instrument direct input & Parallel link 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.

  • Page 5: Various Instruments Connection

    UNiKA DI-BOX2 User Guide Tip-Signal (+) Tip-Signal Hot (+) Ring-Signal Cold(-) Sleeve-Ground Sleeve-Ground Fig-3: ¼"TS Unbalanced connection Fig-4: ¼"TRS Balanced connection VARIOUS INSTRUMENTS CONNECTION Fig-5: 2 instruments, Guitar amps & PA connection Fig-6: Stereo keyboard, Monitors & PA connection INPUT PAD ATTENUATION The most common use of the direct input is with guitar pick-ups or keyboards.

  • Page 6: Eliminating Hum And Buzz And

    UNiKA DI-BOX2 User Guide ELIMINATING HUM AND BUZZ AND THE GROUND LOOP The DI-BOX2 is equipped with output isolation transformers to eliminate hum and buzz caused by stray DC voltage and ground loops. Computers, optical projectors and other consumer equipment can be particularly noisy, anyone that has incorporated audio with a projector knows that noise can be a serious problem, so transformers can be incredibly useful when combating system noise.

  • Page 7: Specifications

    UNiKA DI-BOX2 User Guide SPECIFICATIONS ( Specifications are subject to change without notice. ) Direct Input Unbalanced, XLR/¼"TRS combo jack. (Pin-2 Hot, Pin-3&1 Ground). Link Output Unbalanced, Parallel link output ¼"TRS jack for feeding to other equipment. Direct Input pad At 0dB At -20dB At -40dB Direct Input Impedance 1 MΩ...

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