UNiKA S-4000/S-5000/S-6000page 2IMPORTANT PRECAUTIONS To reduce the risk of electrical shock or fire, do not expose this unit rain ormoisture. Do not spill water or other liquids into or on to your unit. Do not attempt to operate this unit if the power cord has been frayed orbroken. Do not attempt to remove or break off the ground prong from the electricalcord. This prong is used to reduce the risk of electrical shock and f re incase of an internal short. Disconnect main power before making any type of connection. Do not remove the cover under any conditions. There are no userserviceable parts inside. Never plug this unit in to a dimmer pack. Always be sure to mount this unit in an area that will allow properventilation. Allow about 6” (15cm) between this device and a wall. Do not attempt to operate this unit, if it becomes damaged. This unit is intended for indoor use only, use of this product outdoors voidsall warranties. During long periods of non-use, disconnect the unit’s main power. Always mount this unit in a safe and stable manner. Power cords should be routed so they are not likely to be walked on,pinched by items placed upon or against them. Cleaning -The outside of the unit should be wipe down with a soft cloth andmild cleaner when needed. Heat -The amplifier should be situated away from heat sources such asradiators, heat registers, stoves, or other appliances (including amplifiers)that produce heat. The fixture should be serviced by qualified service personnel when:A. The power-supply cord or the plug has been damaged.B. Objects have fallen, or liquid has been spilled into the unit.C. The appliance has been exposed to rain or water.D. The fixture does not appear to operate normally or exhibits amarked change in performance.Congratulations and thank you for purchasing S-4000/S-5000/S-6000amplifier. These amplifiers are representation of UNiKA’s continuingcommitment to produce the best and highest quality audio products at anaffordable price. These amplifiers are designed to provide a big impact insound reproduction. Please read and understand this manual completelybefore attempting to operate your new amplifier. This booklet containsimportant information concerning the proper and safe operation of your newamplifier.UNPACKING: Every S-4000/S-5000/S-6000 amplifier has beenthoroughly tested and has been shipped in perfect operating condition.Carefully check the shipping carton for damage that may have occurredduring shipping. If the carton appears to be damaged, carefully inspect yourunit for any damage and be sure all accessories necessary to operate thesystem have arrived intact. In the event damage has been found or parts aremissing, please contact your dealer for further instructions.INSTALLATION: These amplifiers are designed to mount into astandard 19”rack. The front panel provides four holes used to screw the unitinto a rack. The unit also provides a way to rear mount the unit into a rack foradded security. Rear mounting the unit is especially recommended if theunit is to mounted into a mobile rack.INTRODUCTIONIntroduction Front Panel Rear Panel Set Up Speakon Assembly Operating Modes Protection Features Specifications