Alto PS 4L User Manual
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Alto PS 4L User Manual

Active/passive models
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User's Manual
PS 4L/4LA
SPEAKER ENCLOSURE
ACTIVE/PASSIVE MODELS
www.altoproaudio.com
Version 1.3 Aug. 2008
English

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Summary of Contents for Alto PS 4L

  • Page 1 User's Manual PS 4L/4LA SPEAKER ENCLOSURE ACTIVE/PASSIVE MODELS www.altoproaudio.com Version 1.3 Aug. 2008 English...
  • Page 2 IMPORTANT SAFETY INSTRUCTION CAUTION WARNING To reduce the risk of electric shock RISK OF ELECTRIC SHOCK and fire, do not expose this equipment DO NOT OPEN to moisture or rain. TO REDUCE THE RISK OF ELECTRIC SHOCK PLEASE DO NOT REMOVE THE COVER OR Dispose of this product should THE BACK PANEL OF THIS EQUIPMENT.

  • Page 3: Table Of Contents

    1. INTRODUCTION Thank you for your purchasing of the PS4L/4LA, 2-way active sound reinforcement speaker enclosures. It is just one of the many Alto products that a talented, multinational Team of Audio Engineers and Musicians have developed with their great passion for music. Your PS4L/4LA is capable of enormous sound pressure level and it has been created to give you a performance that is better than any loudspeaker in this range.

  • Page 4: Quick Start - Ps 4L

    HOOK 2. QUICK START - PS 4L 1. PS 4L PASSIVE SPEAKER CABINET Make all initial connections with all the equipment powered off, and ensure that all the main volume controls are turned completely down. 1). Connect one side of the speaker cable to the output CHA/CHB or Binding Post of your stereo power amplifier and the other side to the input socket of your speaker cabinet.

  • Page 5: Quick Start - Ps 4La

    HOOK 3. QUICK START - PS 4LA 2. PS 4LA ACTIVE SPEAKER CABINET Make all initial connections with all the equipment powered off, and ensure that all the main volume controls are turned completely down. 1). Connect one side of the signal cable at your audio mixer into output left /right (with Stereo-Jack or XLR) and the other side of the cable into the line input (Stereo-Jack) of your active speaker cabinet.

  • Page 6: Hook-Up Diagrams

    HOOK 4. HOOK-UP DIAGRAMS 4.1 Two speakers in stereo operation MAIN OUT R MAIN OUT L LINE IN LINE IN VOLUME VOLUME +4dBu PS 4LA SIGNAL +4dBu INPUT LINK PS 4LA LIMIT ACTIVE SPEAKER CABINET INPUT LINK SIGNAL LIMIT ACTIVE SPEAKER CABINET BI-AMP.

  • Page 7: Rigging

    HOOK 4. HOOK-UP DIAGRAMS 4.3 Two subwoofers and two satellite speakers VOLUME VOLUME LINE IN +4dBu +4dBu PS 4LA PS 4LA INPUT LINK SIGNAL INPUT LINK SIGNAL LIMIT LIMIT ACTIVE SPEAKER CABINET ACTIVE SPEAKER CABINET BI-AMP. POWER AMPLIFIER LINE IN BI-AMP.

  • Page 8: Panel Description-Ps 4La

    6. PANEL DESCRIPTION-PS 4LA -. CONNECTION PLATE (1) BI-POLAR MAIN POWER SWITCH (2) AC POWER SOCKET WITH MAIN FUSE (3) GROUND SWITCH (4) CLIP INDICATOR RED LED (5) LINK OUT ON XLR CONNECTOR (6) a. STEREO JACK INPUT b. LINE INPUT ON XLR CONNECTOR (7) MAIN VOLUME CONTROL VOLUME VOLUME...

  • Page 9: Panel Description-Ps 4L

    7. PANEL DESCRIPTION-PS 4L -. CONNECTION PLATE (1) INPUT Receive the power coming from an external power amplifier. (SPK +1/-1 connected; +2/-2 not connected) (2) THRU Direct LINK for connect in parallel a second speaker cabinet. (SPK +1/-1 connected; +2/-2 not connected) Besides, the passive crossover included the electronic protection on the driver.

  • Page 10: Technical Specification

    8. TECHNICAL SPECIFICATION Model Item PS 4L System type 2 - way vented box Continuos Power 180 Watt AES Standard Peak Power Rating 360 Watt Peak Sensitivity at 1W, 1mt 96dB SPL Max SPL at 1mt 119dB SPL Frequency Response...

  • Page 11: 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 provide a more effective and efficient after-sales warranty service.
  • Page 12 NO. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan www.altoproaudio.com Tel: 886-4-22313737 email: info@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...

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