20-Watt AC/Mobile PA (320-2041) Care and Maintenance Faxback Doc. # 15378 Amplifier The new Radio Shack MPA-31 20-Watt AC/Mobile PA Amplifier is an example of superior design and craftsmanship. The following suggestions will help you care for the amplifier so you can enjoy it for years. Keep the amplifier dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode electronic circuits. Use and store the amplifier only in normal temperature environments, and avoid sudden temperature changes. Temperature extremes can shorten the life of electronic devices and distort or melt plastic parts. Handle the amplifier gently and carefully. Dropping it can damage the circuit boards and can cause the amplifier to work improperly. Keep the amplifier away from dust and dirt which can cause premature wear of parts. Wipe the amplifier with a damp cloth occasionally to keep the amplifier looking new. Do not use harsh chemicals. Cleaning solvents, or strong detergents to clean the amplifier. Modifying or tampering with the amplifier's internal components can cause a malfunction and might invalidate the warranty. If the amplifier is not performing as it should, take it to your local Radio Shack store for assistance. (br/all-05/30/95)