1. Manuals
  2. Brands
  3. Boston Acoustics Manuals
  4. Amplifier
  5. LCAi220
  6. Owner's manual

Boston Acoustics LCAi220 Owner's Manual

Local control amplifier
Hide thumbs Also See for LCAi220:
Table of Contents

Advertisement

Quick Links

Download this manual
LCAi220
Local Control Amplifier

Advertisement

Table of Contents
loading

Related Manuals for Boston Acoustics LCAi220

Summary of Contents for Boston Acoustics LCAi220

  • Page 1 LCAi220 Local Control Amplifier...
  • Page 2 LCAi220 Important Safety Instructions This symbol found on the apparatus indicates hazards arising from dangerous voltages. This symbol found on the apparatus indicates the user should read all safety statements found in the user manual. W W A A R R N N I I N N G G ! ! To reduce the risk of fire or electric shock, do not expose this product to rain or moisture.

  • Page 3: Table Of Contents

    LCAi220 Thank you Thank you for selecting a Boston Acoustics LCAi220 Local Control amplifier. Your LCAi220 has been designed to deliver years of music, enjoyment, and satisfaction. Please keep your manual in a safe place in case you need to refer to it at a later date. Our Installation Considerations are a guide for those with and without experience installing a local control amplifier.

  • Page 4: Introduction

    Since the LCAi220 can operate with 12vdc to 16vdc power, it can be used on the same power source as many other devices used in home audio installations today allowing an installer to mount a central power supply and route power to many separate locations.

  • Page 5: Installation Considerations

    Article 640 of the National Electrical Code nances. Do not install the LCAi220 near any electrical device such as a light switch, dimmer or other 110 Volt product because of the possibility of induced electrical noise. Mount each device separately using the prescribed electrical box and other low voltage mounting hard- ware.
  • Page 6 When using the rear connection, the power supply is located with the central audio system and power wire is run from that location to the LCAi220. This configuration will require the use of the included LCApi power interface. The LCApi allows connection of power wire to the LCAi220’s included power supply.
  • Page 7 Warning About System Impedance The LCAi220 does not provide impedance matching. If multiple speakers are used, you must use a volume control and all impedance matching jumpers should be set to the same value. Not doing so will cause undesirable performance and improper protection for the central...

  • Page 8: System Diagrams

    16VDC Power Supply (Included w/LCAi220) Local Speakers 12V Trigger / Video In 12V Trigger / Video Pass Through LCAi220 (external connections) SPEAKER OUT SPEAKER IN + - + - Central Music Source (Room 2 output) LCAi220 (in-wall connections) Powered Subwoofer...
  • Page 9 System 2; Simple Configuration - Rear Power Input This example is similar to the System 1 diagram except the power supply from the LCAi220 is connected to the rear input with the power routed from a central location (usually located with the central music source equipment).
  • Page 10 The Boston RVC90i provides volume control for the local speakers when the LCAi220 is in bypass mode. Each Boston LCAi220 is connected to a television; this is the local source for each zone. The local source is triggered via an RCA video output from the TV to the 12v Trigger/Video In located on the front of the Boston LCAi220.

  • Page 11: Installation Instructions

    (Figure #1) Tip: Label the speaker/power wires to simplify connect- ing the wiring later 2. Install the LCAi220 mounting plate to the junction box using the two 1 (32mm) screws. (Figure #2) 3. Strip ⁄...
  • Page 12 Installing / Rear Connections (cont.) 5. Install the LCAi220 into the junction box bottom first. Proceed slowly making sure not to pinch any of the wires. (Figure #5) 6. Fasten the LCAi220 to the bracket using the four ⁄ -inch (7mm) screws.

  • Page 13: Connection Instructions

    Connection Instructions Front Connections 1. Connect the local source to either the Left and Right RCA Inputs (Figure #1) or to the High Level In speaker level inputs (Figure #2). Note: Do not connect wires to both the RCA and High Level inputs. 2.

  • Page 14: Set Up Instructions

    Filter on the LCAi220 The LCAi220 features a selectable highpass filter to remove low frequency information from the local speakers when amplified by the LCAi220. This is especially useful when using smaller speakers or when use in conjunction with a powered subwoofer.
  • Page 15 LCAi220. 2. Set the device used for the local source to variable output. 3. Turn the input level on the LCAi220 to minimum, all of the way counter-clockwise. (Figure #1) 4. Reconnect / turn on the power source of the LCAi220.

  • Page 16: Troubleshooting Guide

    Warning: Always disconnect power to the LCAi220 and shut down any connected devices before making/checking any front or rear connections on the LCAi220. Cause • Check / connect local power supply •...

  • Page 17: Contact Information

    Or contact us via e-mail at: support@bostonacoustics.com We will promptly advise you of what action to take. If it is necessary to return your LCAi220 to the factory, please ship it prepaid. After it has been repaired, we will return it freight prepaid in...
  • Page 19 300 Jubilee Drive Boston, Boston Acoustics, and the Boston Acoustics logo are Peabody, MA 01960 registered trademarks of Boston Acoustics, Inc. U.S.A. 978.538.5000 Specifications are subject to change without notice. www.bostonacoustics.com © 2005 Boston Acoustics, Inc. 042-002262-1...

Table of Contents