LTO ALTO GATE User Manual

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User's Manual
ALTO GATE
EXPANDER/GATE
R
LTO
www.altoproaudio.com
Version 1.0 July 2003
English

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Summary of Contents for LTO ALTO GATE

  • Page 1 User's Manual ALTO GATE EXPANDER/GATE www.altoproaudio.com Version 1.0 July 2003 English...
  • Page 2 the recommended fuse type as indicated in this SAFETY RELATED SYMBOLS manual. Do not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is CAUTION OFF and disconnected from the AC outlet. RISK OF ELECTRIC SHOCK DO NOT OPEN Protective Ground This symbol, wherever used, alerts you to the pre-...
  • Page 3 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.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION............................4 2. THE CONCEPT BEHIND.........................4 2.1 Some Technical Stuff 2.2 Voltage Controlled Amplifier (VCA) 2.3 Inputs 3. CONTROLS..............................6 3.1 The Front Panel 3.2 The Rear Panel 4. INSTALLATION AND CONNECTION.......................8 5.1 Mains Connection 5.2 Audio Connection 5.3 Rack Mounting 5.
  • Page 5: Introduction

    You are now the owner of an LTO GATE. Your LTO GATE is based on many years of experience and is designed to eliminate noise in systems, hiss and hum in amplifiers, surrounding noise and so on. For more information, please read this manual carefully.
  • Page 6: Voltage Controlled Amplifier (Vca)

    2.2 Voltage Controlled Amplifier (VCA) The VCA is the soul of the LTO GATE and it is one of the best components available today in his category thanks to its excellent performances in terms of distortion, linearity, noise and temperature stability.
  • Page 7: Inputs

    LTO GATE Your LTO GATE presents with four channels. Each channel is equipped with the same elements: 3 push-button switches, 6 rotary controls and 11 LEDs. You can easily operate the stereo mode via pressing the Couple switch. The details please refer to following content.
  • Page 8: The Rear Panel

    CHANNEL 4 CHANNEL 3 CHANNEL 2 Pic. 2 The Rear Panel of The LTO GATE 14.FUSE Holder / Voltage Selector Your unit may have the voltage selector ( 115V/60Hz or 230V/50Hz) built into the Fuse Holder. With a small screwdriver pull/pop out the Fuse Holder and rotate it so that the arrow showing the proper voltage in your area points toward the other arrow in the upper left comer of plug assembly and reinsert.
  • Page 9: Installation And Connection

    4. INSTALLATION AND CONNECTION 4.1 Mains Connection LTO GATE is provided with dual voltage plug. You must check the power supply voltage available in your country before connecting the power cord in the wall outlet. Please see Page 8 for further information.
  • Page 10 For XLR connector 2 Hot (+ve) 2 Hot (+ve) 3 Cold (-ve) Link 3 to 1 1 Screen 1 Screen XLR Unbalanced input XLR alanced input b. In Line Connection Please see following drawing for details: Balanced Ring Ring SLEEVE RING TIP TIP RING SLEEVE Sleeve Sleeve...
  • Page 11: Rack Mounting

    The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer. The LTO GATE fits into one standard 19" rack unit of space. Please allow at least an additional 4" depth for the connectors on the rear panel. Be sure that there is enough air...
  • Page 12: Technical Specifications

    5. TECHNICAL SPECIFICATIONS Connectors XLR and 1/4" JACK Type RF filtered, servo-balanced input Max. Input Level AUDIO INPUT alanced and nbalanced: +21 dBu Impedance alanced: 50kOhm nbalanced: 25kOhm CMRR typ.40dB, >55dB@1kHz Connectors XLR and 1/4" JACK Type Electronically servo-balanced output stage AUDIO OUTPUT Max.
  • Page 13: Block Diagram

    6. BLOCK DIAGRAM...
  • Page 14: 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 15 SEIKAKU TECHNICAL GROUP LIMITED No. 1, Lane 17, Sec. 2, Han Shi W. Road, Taichung, 401 Taiwan http://www.altomobile.com Tel: 886-4-22313737 email: info@altomobile.com Fax: 886-4-22346757 All rights reserved to ALTO Mobile. Due to continued development in response to customer feedback, product features, specifications and/or internal/external design may be changed without prior notice.

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