Mackie SRM450 Bedienungsanleitung

SRM450 ACTIVESOUND REINFORCEMENTSPEAKER USER’S MANUAL

10PLACEMENTThe SRM450 active speakers are de-signed to sit on the floor, a tabletop, or to fiton a standard tripod speaker stand. Theycan also be susp

11Here are some other placement tips:• Avoid placing loudspeakers in the cornersof a room. This increases the low-fre-quency output and can cause the

12AC POWERCONSIDERATIONSBe sure the SRM450 is plugged into anoutlet that is able to supply the correct volt-age specified for your model. If the volta

13Wherever possible, connect all of yourequipment to the same electrical circuit.This will help reduce the possibility of aground loop problem causing

14SERVICE INFORMATIONWarranty ServiceDetails concerning Warranty Service arespelled out on page 19 of this manual.If you think your loudspeaker has ap

15• Make sure there is room behind the rearpanel to provide sufficient ventilation tothe heatsink.Bad sound!• Is it loud and distorted? Follow theproc

16REPAIRService for the SRM450 is available onlyfrom one of our authorized domestic ser-vice stations or at the factory, located insunny Woodinville,

17SRM450 SPECIFICATIONSLine Input PowerUS 120 VAC, 60HzRecommended amperage service 2.5 ampsEurope 230 VAC, 50HzRecommended amperage service 1.25 amps

18SRM450 BLOCK DIAGRAMINPUTTHRU2312J1531HI-PASSLOW CUT CONTOURCOMPRESSORTHRESHOLDCOMPRESSORSWEEPINGFILTERLO-PASSDELAY176uSHI-FREQ40-120 HzLO-FREQUENCY

19A. LOUD Technologies Inc. warrants all materials,workmanship and proper operation of this MackieSRM450 for a period of five years from the originald

2CAUTION AVISRISK OF ELECTRIC SHOCK DO NOT OPENRISQUE DE CHOC ELECTRIQUENE PAS OUVRIRCAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCKDO NOT REMOVE COV

LOUD Technologies Inc.16220 Wood-Red Road NE • Woodinville, WA 98072 • USAUS and Canada: 800.898.3211Europe, Asia, Central and South America: 425.487.

3Lend Me Your EarsExposure to extremelyhigh noise levels maycause permanent hear-ing loss. Individuals varyconsiderably in susceptibility to noise-in-

4INTRODUCTIONThank you for choosing LOUD Technologies’Mackie active sound reinforcement speakers.The SRM450 is an active two-way loud-speaker capable

5The CrossoverThe built-in electronic crossover is a24 dB/octave Linkwitz-Riley design.Although more expensive than other cross-over designs, the bene

6HOOKUP DIAGRAMSQuick Start1. Start with the following settings on theback of the SRM450:Turn the POWER switch off (down).Set the TIMED TURNOFF, CONTO

7THRUOutputDynamicMicrophoneDESIGNED BY MACKOIDS IN WOODINVILLE, WA • USA DESIGNED BY MACKOIDS IN WOODINVILLE, WA • USASRM450: USING A MICROPHONE AND

8REAR PANEL DESCRIPTIONTIMED TURNOFFWhen this switch is pushed in, the built-in amplifiers turn on and off depending onthe presence or absence of an i

9CONTOURPushing in this switch engages a filterthat provides 3 dB of boost to the low andhigh frequencies (below 100 Hz and above12 kHz). This provide