User manual MACKIE FR

[. . . ] TWO CHANNEL POWER AMPLIFIERS FR·800, FR·1400, and FR·2500 OWNER'S MANUAL FR Series FR SERIES AMPLIFIERS Important Safety Instructions 1. Donotblockanyventilationopenings. Installinaccordancewiththe manufacturer'sinstructions. Donotinstallnearanyheatsourcessuchasradiators, heatregisters, stoves, orotherapparatus(includingamplifiers)thatproduceheat. Donotdefeatthesafetypurposeofthepolarizedorgrounding-type plug. Apolarizedplughastwobladeswithonewiderthantheother. [. . . ] The more power that is available on the use a support rail or shelf across the back of the rack, or line, the louder the amplifier will play and the more angle brackets attached between the rear support rails peak output power will be available for cleaner, punchand the rear rails of the rack. all components mounted in a rack that is going to be If you have more than one amplifier sharing an AC moved frequently. outlet, you should avoid turning them all on at the same time. Rather, sequence them on, one at a time, MAINTENANCE to prevent popping the circuit breaker (due to in-rush current). Usually, your amplifier will not require regular maintenance for normal use. However, you can do several THERMAL CONSIDERATIONS things to keep it in good operating and cosmetic condition. Air is drawn · Testing: Periodically test your system for through the rear panel vents, to cool down the amplifier proper performance. A simple test is to play a heatsinks, and then expelled through the front panel CD through it using well-defined, articulate, vents. Listen to ensure When installing, be sure to allow sufficient air space all drivers are working properly and for any eviaround the front and rear of the amplifier for adequate dence of distortion or other extraneous sounds. Leave at least one rack space Test at several volume levels: very low, normal, above and below, and at least 6 inches behind and in and high. front of the chassis to allow proper ventilation. · Cleaning: Use only a clean dry cloth to dust off and clean the surface. Turn off the power to the amplifier while you do this. Owner's Manual FR SERIES AMPLIFIERS Appendix A: Service Information Warranty Service · Details concerning Warranty Service are spelled out in the Warranty section on page 19. If you think your amplifier has a problem, please do everything you can to confirm it before calling for service. Doing so might save you from the deprivation of your amplifier. These may sound obvious to you, but here are some things you can check. Read on: · Is the signal source turned up?Make sure the signal level from the mixing console (or whatever device immediately precedes the amplifier) is high enough to produce sound in the amplifier. The SIG LEDs should be blinking to indicate that signal is present. If the speakers are wired for BRIDGE mode, make sure the AMP MODE switch is set to BRIDGE. If the amplifier has gotten extremely hot, the thermal protection circuit may have activated. Allow the amplifier to cool down and normal operation should resume. [. . . ] The address of your closest authorized service center will be given to you by Technical Support, or from our website. IMPORTANT: Make sure that the Service Request Number is plainly written on the shipping carton. LOUD Technologies reserves the right to inspect any products that may be the subject of any warranty claims before repair or replacement is carried out. LOUD Technologies may, at our option, require proof of the original date of purchase in the form of a dated copy of the original dealer's invoice or sales receipt. [. . . ]