Alesis RA150 User Manual - Page 14
Ounting On A, Helf Or In A, Nclosure, Voiding, Lectromagnetic, Nterference - power amp
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Connections: Chapter 2 MOUNTING ON A SHELF OR IN A NON-RACK ENCLOSURE To mount the amplifier on a shelf or other flat surface, Alesis recommends using the enclosed stick-on feet to avoid scratching the shelf's surface with the amplifier bottom. To properly mount the stick-on feet: 1 Place the amplifier upside down on a clean cloth or piece of cardboard so the amp top does not scratch your work surface. 2 Clean the bottom of the amp where you plan to stick the feet. Isopropyl alcohol is recommended as a cleaning agent. This step insures that no small amounts of oil or other substances will inhibit proper adhesion of the feet. 3 When the surface has dried, attach the feet. Please observe the comments on thermal considerations given under "Temperature Considerations in Rack Mounting" no matter where or how the amp is mounted. AVOIDING ELECTROMAGNETIC INTERFERENCE Because the RA150/300/500 contains a large power transformer, we recommend that you do not: • Place the RA150/300/500 next to an unshielded video monitor, as the magnetic fields may distort the image. • Place tapes, disks, or other magnetic media close to the RA150/300/500. • Play guitar, bass, or any other instrument with magnetic pickups near the RA150/300/500. No damage will occur but AC fields may enter the pickups, causing hum. 12 RA150/300/500 Reference Manual