Alesis POWER AMPLIFIER RA150 Studio Manuals

Alesis POWER AMPLIFIER RA150 Studio Manuals

Manuals and User Guides for Alesis POWER AMPLIFIER RA150 Studio. We have 1 Alesis POWER AMPLIFIER RA150 Studio manual available for free PDF download: Reference Manual

Alesis POWER AMPLIFIER RA150 Reference Manual

Alesis POWER AMPLIFIER RA150 Reference Manual (38 pages)

REFERENCE SERIES

Brand: Alesis | Category: Amplifier | Size: 1.04 MB

Table of Contents

Table of Contents
3
Introduction
4
- How to Use this Manual
  4
Important Safety Instructions

5
About the Ra150/300/500

9
- Principal Features
  9
  - The Chassis
    9
  - Inputs and Outputs
    9
  - Amplifier Topology
    9
  - Protection Circuitry
    9
- About this Manual
  10
Connections

11
- Unpacking and Inspection
  11
- Power Considerations
  11
  - The AC Cord and Grounding
    11
  - 120 Volt/230 Volt Operation
    12
  - Fuse
    12
  - Electrical Service to the RA150/300/500
    12
- Operating Environment
  13
- Inputs
  15
  - Input Jack Characteristics
    15
  - Cables
    17
  - Cable Wiring Tips
    17
  - Balanced or Unbalanced
    18
- Outputs
  20
Operation

23
- Front Panel Controls
  23
  - Volume Controls
    23
  - On-Off Switch
    23
  - Mute Switch
    23
  - Protect/Clip Indicators
    24
  - Meters (RA300 and RA500 Only)
    24
- Back Panel Controls
  24
  - AC Voltage Switch
    24
  - Stereo/Bridged Mono Switch
    24
- Checking for Proper Polarity
  24
- Using the RA150 as a Headphone Amplifier
  25
- Choosing the Correct Speakers
  25
- About Ground Loops
  26
- System Setup and Testing
  27
  - Setting the Gain Properly
    27
  - Output Relays/Thermal Cycling
    28
Troubleshooting

29
- Troubleshooting Index
  29
- Care and Maintenance
  30
  - Cleaning
    30
  - Refer All Servicing to Alesis
    30
  - Obtaining Repair Service
    31
  - Customers Outside the USA and Canada
    31
Specifications

32
Index

36
Alesis Limited Warranty

37

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