Radio Shack MPA-125 User Manuals

Table of Contents

• Features

  3
• Preparation

  4
• Presetting the Controls

  4
• Presetting Audio Input Devices

  4
• Presetting the Amplifier

  4
• Mounting the Amplifier

  5
• Placing the Speakers

  5
• Connections

  5
• Connecting Input Sources

  5
• Connecting Microphones

  5
• Connecting a Turntable

  6
• Connecting an Auxiliary Sound Source

  7
• Connecting the MIX BUS Jack

  7
• Connecting an Equalizer

  7
• Connecting the Speakers

  8
• Determining Total Speaker Impedance

  8
• Preparing the Speaker Wire

  9
• Connecting Only One Speaker

  9
• Connecting Two Speakers In Series

  9
• Connecting Two Speakers In Parallel

  10
• Connecting Four Speakers In Series/Parallel Combination

  10
• Connecting Speakers with Transformers

  11
• Connecting Power

  12
• Using Your Amplifier

  12
• Safety Indicators

  13
• Monitoring the Sound Sources

  13
• Listening Safely

  13
• Using an Equalizer

  13
• Using the Feedback Filter

  14
• Troubleshooting

  15
• Care and Maintenance

  16
• Replacing the Fuse

  17
• The FCC Wants You to Know

  17
• Specifications

  18