Alto PBM 4 User Manual
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Alto PBM 4 User Manual

Pbm monitor
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User's Manual
PBM4
PBM MONITOR
R
LTO
www.altoproaudio.com
Version 1.1 October 2005
English

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Summary of Contents for Alto PBM 4

  • Page 1 User's Manual PBM4 PBM MONITOR www.altoproaudio.com Version 1.1 October 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 Thank you for choosing the LTO PBM SERIES MONITOR - PBM4 , which is the result of our AUDIO TEAM's endeavours. For the LTO AUDIO TEAM, music and audio are more than a profession, it is a passion and an obsession! We have, in fact, been designing professional audio products for a number of years in cooperation with many of the world's major brands.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION.............................4 2. FEATURES..............................4 3. QUICK START............................5 4. CONTROL ELEMENTS...........................6 4.1 MONO INPUT CHANNELS 4.2 +15V PHANTOM POWER SWITCH 4.3 LEVEL CONTROL 4.4 DSP/FX AUX1 POST CONTROL 4.5 EQUALIZER 4.6 TAPE IN 4.7 TAPE OUT 4.8 GRAPHIC EQ 4.9 MAIN MIX LEVEL CONTROL 4.10 MAIN MIX LEVEL LED 4.11 OPERATING LED...

  • Page 5: Introduction

    1. INTRODUCTION Thank you very much for expressing your confidence in LTO products by purchasing LTO PBM4. The PBM4 is professional monitor, which provides the state of the art digital amplifier technology specifically. You will get the smooth, accurate, more natural and open sound from this apparatus, it is really ideal for small gigs, recording and fixed PA installations.

  • Page 6: Quick Start

    3. QUICK START 3.1 Please check the AC voltage available in your country before connecting your PBM4 to the AC socket. 3.2 Be sure that the main power is turned off before connecting the monitor to the AC socket. Also, you should make sure that all input and output controls are turned down.

  • Page 7: Control Elements

    4. CONTROL ELEMENTS...

  • Page 8: Mono Input Channels

    4.1 MONO INPUT CHANNELS There are CH1 through CH4, which comes with balanced MIC IN and LINE IN connectors. Use the XLR (MIC IN) HIGH socket to connect low impedance microphone or low level signal, which also features +15V phantom power allowing 12KHz -15dB +15dB...

  • Page 9: Tape Out

    4.7 TAPE OUT Via these jacks, you can route the main out signal into a tape recorder or DAT for recording. MAIN OPERATING LEVEL +10dB 2.5K 6.3K PRESETS CLIP 1. WARM HALL MUTE 2. BRIGHT HALL 3. WARM ROOM MUTE 4.

  • Page 10: Fx Return

    4.16 FX RETURN This jack is used to return the sound of an effect unit to the main mix. You can also use it as the extra auxiliary inputs. 4.17 FX SEND This jack is used to send out the signals from AUX bus. 4.18 DSP SECTION Your PBM4 features the special 16-preset digital effect...

  • Page 11: Audio Connections

    5.1 AUDIO CONNECTIONS You can connect unbalanced equipment to balanced inputs and outputs. Simply follow these schematics. Ring=Right Signal Sleeve Ring Strain Clamp Tip=Left Signal Sleeve=Ground/Screen Use for Headphone 1/4" Stereo (TRS) Jack Plug Sleeve Tip=Signal Strain Clamp Sleeve=Ground/Screen Use for Mono Line In, Mono 1/4"Jack Plugs 1/4"...

  • Page 12: Preset List

    6. PRESET LIST Description parameter Preset Rev. Decay time: 360ms WARM HALL Simulate a small acoustic space of the sound. Pre-delay: 45ms Rev. decay time: 290ms Simulate a large acoustic space of the sound. BRIGHT HALL Pre-delay: 23ms Rev. decay time: 210ms Simulate a small acoustic space of the sound.

  • Page 13: Technical Specification

    7. TECHNICAL SPECIFICATION Input channels Electronically balanced, discrete input configuration Microphone Input Frequency response 10Hz to 55kHz, +/- 3dB Distortion(THD&N) 0.05% at +4dBu, 1kHz Gain 30dB SNR(Signal to Noise Ratio) >94dB Line input Electronically balanced Frequency response 10Hz to 55kHz, +/- 3dB 0.05% at +4dBu, 1kHz Distortion(THD&N) Gain...

  • Page 14: Block Diagram

    8. BLOCK DIAGRAM...

  • Page 15: Warranty

    9. 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 16 No. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan http://www.altoproaudio.com Tel: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright 2005 SEIKAKU GROUP NF02055-1.1...

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