Shure pe588b user guide
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Extracted text from shure pe588b user guide (Ocr-read)
Page 1
HOW TO CONTROL FEEDBACK A performer's number one enemy in using a microphone is "feedback." This is a harsh hum, howl or squeal which oc- curs when the microphone picks up sound from the loudspeakers, re-amplifies and rebroadcasts it over and over again. The key factor in the prevention of feedback is the posi- tion of the loudspeakers in relation to the microphone. Feedback occurs if the microphone picks up sound coming from the loudspeakers. Keep the loudspeakers as far to the sides as possible-so they do not point toward the micro- phone. Always keep the microphone pointed toward the performer and away from the loudspeakers. When stage monitor loudspeakers are used, make sure they are posi- tioned in front of the performers and face the rear of the microphone. If you are in a room with hard walls, floor, and ceiling, the sound from the loudspeakers may bounce back into the microphone and create feedback. Solve this problem by turning down the amplifier volume control and working closer to the microphone. (Important Note: If you cannot solve the feedback prob- lem with your UNISPHEREB B microphone, a Shure Feedback Controller is suggested.) BASIC POINTS FOR PROFESSIONAL MICROPHONE TECHNIQUE Proper microphone technique will add to the overall ef- fectiveness with which you project yourself to your audience. Keep the following points in mind when using the microphone: 1. Maintain the proper distance from the microphone. When you wish to achieve an intimate tonal quality, get closer to the microphone and lower your voice. For wide-open "driving" effects, raise your voice and back away from the microphone so that you do not over- drive your amplifier to distortion. 2. Don't change your distance from the nlicrophone needlessly, as this will affect the level of sound coming from the loudspeakers. 3. Consider the microphone as an instrument and prac- tice your technique to enhance your performance.
Page 2
YOUR SHURE MICROPHONE IS BUILT TO LAST! Your Shure Microphone is ruggedly built and should give you years of uninterrupted service; however, remember that it is a sensitive instrument. Avoid dropping the micro- phone, or subjecting it to unnecessarily rough treatment. Normal usage, of course, will not impair performance of the unit. Use the protective carrying case to prevent dam- age not only when traveling, but also when storing the microphone. MICROPHONE CHECK-LIST 1. Check microphone impedance-is it correct for the amplifier input being used? 2. Check microphone cable connectors to microphone, mixer and amplifier-are they tightly plugged in? 3. Check microphone, amplifier and/or mixer. a. Are they turned on? b. Are volume controls turned up? IF THE MICROPHONE DOES NOT WORK Check the above list. If the microphone then does not appear to be operating, check it on a spare cable. If the microphone still does not appear to be operating, have the microphone and cable checked by your Shure Professional Entertainer Products Dealer, or write Service Department. Shure Brothers Inc.