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Summary of Contents for Alto DI4
- Page 1 https://muzcentre.ru User's Manual Professional Direct BOX www.altoproaudio.com Version 2.4 September 2005 English...
- Page 2 SAFETY RELATED SYMBOLS Fuse To prevent fire and damage to the product, use only the recommended fuse type as indicated in this CAUTION manual. Do not short-circuit the fuse holder. Before RISK OF ELECTRIC SHOCK DO NOT OPEN replacing the fuse, make sure that the product is OFF and disconnected from the AC outlet.
- Page 3 Preface Dear Customer: Thanks for choosing LTO DI 4 Direct Box and thanks for choosing one of the results of LTO AUDIO TEAM job and researches. For our LTO AUDIO TEAM, music and sound are more than a job...are first of all passion and let us say...our obsession! We have been designing professional audio products for a long time in cooperation with some of the major brands in the world in the audio field.
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Page 4: Table Of Contents
TABLE OF CONTENT 1. INTRODUCTION ............................4 2. YOUR DI 4 FEATURES .........................4 3. CONTROL ELEMENTS ..........................4 3.1 The Front Panel 3.2 The Rear Panel 4. INSTALLATION & CONNECTION ......................6 4.1 Audio Connection - Wiring Configuration - In Line Connection 4.2 Rack Mounting 5. -
Page 5: Introduction
1. INTRODUCTION DI stands for "Direct Injection" and DI Boxes are also called Direct Boxes. You need to use Direct Boxes if you wish to convert a high impedance instrument signal or an unbalanced signal into a format that will be suitable for direct connection into a mixer. -
Page 6: The Rear Panel
3. Switch for phase inversion By pressing this switch you will reverse the signal phase by 180 . In normal situations, just forget about this switch but in case of inversion of the connectors this switch becomes very useful to compensate the phase cancellation. 4. -
Page 7: Installation & Connection
11. Link Connector This 1/4" TRS jack will output the incoming signal directly being wired in parallel with the Input Connectors. 12. Output Connector Finally, the output signal at MIC level will be produced by this XLR output connector. You must pay particular attention to the wiring of this XLR connector if phantom power of +48V is supplied to your DI 4 box. -
Page 8: Rack Mounting
Balanced Ring Ring SLEEVE RING TIP TIP RING SLEEVE Sleeve Sleeve Ring TIP RING SLEEVE Sleeve Unbalanced Ring Sleeve TIP RING SLEEVE Sleeve TIP SLEEVE Cent e r Screen Sleeve Sleeve TIP SLEEVE SLEEVE TIP Ring Ring TIP RING SLEEVE SLEEVE RING TIP Sleeve Sleeve... -
Page 9: When The Input Signal Is A Microphone
5.2 When the input signal is a microphone In this way the unbalanced output of a microphone is converted into a balanced one. In such way you can cover a longer distance from the microphone to the mixer still avoiding noise problems. From a Microphone To a Microphone Input of a mixing console Input... -
Page 10: Technical Specification
6. TECHNICAL SPECIFICATION 6.1 Specifications Inputs Inputs 1/4" jack unbal. In/Link Out Input Impedance XLR unbalanced In Maximum Input level max. 220 kOhm Output Output XLR balanced Out Load Impedance >600 Ohm Max Output Level +18dBm System specification Bandwidth (100kOhm) 23Hz to 105 kHz ( 3dB) Bandwidth (600Ohm) 23Hz to 60 kHz ( 3dB) -
Page 11: Block Diagram
6.2 Block Diagram... -
Page 12: Warranty
7. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of the sales status, so as to purport a more effective and efficient after-sales warranty service. - Page 13 Fax: 886-4-22346757 email: alto@altoproaudio.com Fax: 886-4-22346757 All rights reserved to ALTO. All features and content might be changed All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this without prior notice.
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