Mackie SRM350 2-WAY manuale d’uso

SR M3 50 2-WA Y ACTIVE LOUDSPEAKER USER’S MANUAL[...]

2 CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL ATTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, NE PAS ENLEVER LE COUVERCLE. AUCUN ENTRETIEN DE PIECES IN[...]

3 Part No. 0008034-90 Rev. C 09/05 ©2003-2005 LOUD Technologies Inc. All Rights Reserved. Lend Me Y our Ears Exposure to e xtremely high noise le vels ma y cause permanent hear- ing loss. Individuals v ary consider ably in susceptibility to noise-in- duced hearing loss, but nearly e veryone will lose some hearing if exposed to sufficiently intense[...]

4 INTRODUCTION Thank you for choosing LOUD T echnologies’ Mackie active sound r einforcement speakers. The SRM350 is an active tw o-way loud- speaker capable of e xtremely high sound pressur e lev els, and designed to give you the best performance of any loudspeak er in its class and price range . When we designed the SRM350s older sibling, the S[...]

5 The Crossover The built-in electr onic crosso ver is a 24 dB/octa ve Linkwitz-Riley design. Although more e xpensive than other crosso ver designs, the benefits pro vided by the Linkwitz-Rile y design hav e been w ell documented. These benefits include: • Absolutely flat fr equency r esponse throughout the bandpass, without the characteristic r[...]

6 HOOKUP DIAGRAMS Quick Start 1. Start with the follo wing settings on the back of the SRM350: Turn the POWER switch off (do wn). Set t h e CONTOUR and MIC/LINE switches out. If using a microphone as the input to the SRM350, push the MIC/ LINE switch in. W ARNING: Turn the LEVEL control do wn (counterclockwise) before e very use . If not, you could[...]

7 ~ 120 VAC 60Hz 2.50A 230VA POWER INPUT THRU PARALLEL DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA AND REGGIO EMILIA, ITALY. LIMIT SIGNAL 12k/AIR 100Hz CONTOUR (+3dB) ACTIVE SOUND REINFORCEMENT SYSTEM ON SRM350 LINE MIC LEVEL O O M I C G A I N +45 +5dB NORMAL ~ 120 VAC 60Hz 2.50A 230VA POWER INPUT THRU PARALLEL DESIGNED BY MACKOIDS IN WOODINVILLE,[...]

8 REAR P ANEL DESCRIPTION CONTOUR Pushing in this switch engages a filter that pr ovides 3 dB of boost to the lo w and high frequencies (belo w 100 Hz and abo ve 12 kHz). This pr ovides a punch y , crisp sound for most live music applications. Y ou can e xperiment with this switch by lea ving it out for a while , then pushing it in to de- termine w[...]

9 F ollow the Quick Start guide on page 6 for setting the LEVEL control. F or most ap- plications, it will be in the NORMAL position (12 o’clock) . If you ha ve a particu- larly high line-lev el signal connected to the SRM350, you ma y need to turn the control down to the 9 o’clock position. If y ou have a low line-le vel or mic-lev el signal c[...]

10 PLACEMENT The SRM350 active speak ers are designed to sit on the floor , a tabletop, or to fit on a standar d tripod speaker stand. They can also be suspended by the rigging points, which r equires installing the optional hanging brack et on the top and/or bottom of the cabinet. NEVER attempt to suspend the SRM350 activ e speakers by their handl[...]

11 Here ar e some useful placement tips: • A void placing loudspeakers in the corners of a room. This incr eases the low-fr equency output and can cause the sound to be muddy and indistinct. • A void placing loudspeak ers against a wall. This, too, increases the lo w-frequency output, though not as much as corner placement. How ev er , if you d[...]

12 AC POWER CONSIDERA TIONS Be sure the SRM350 is plugged into an outlet that is able to supply the corr ect volt- age specified for y our model. If the voltage should drop belo w 97% of the specified line voltage , the built-in amplifiers will no longer be able to supply r ated pow er . (They will continue to oper ate down to 75% of the rated line[...]

13 Where ver possible , connect all of your equipment to the same electrical cir cuit. This will help reduce the possibility of a ground loop pr oblem causing an annoying hum in your speak ers. Low po wer components such as tape decks, mixers, effects pr ocessors and CD play ers should be connected to the same outlet as the SRM350s. Use fused po we[...]

14 SER VICE INFORMA TION Warranty Service Details concerning W arranty Service are spelled out on page 19 of this manual. If you think y our loudspeaker has a problem, please do e verything y ou can to confirm it before calling for service , includ- ing reading thr ough the follo wing troubleshooting section. Doing so might sav e you fr om being de[...]

15 Bad sound! • Is it loud and distorted? F ollow the procedur es described in the “Quick Start” section to verify that the le v els are set pr operly . • Is the input connector plugged com- pletely into the jack? Be sur e all connections are secur e . It’s a good idea to periodically clean all electrical connections with a non-lubricatin[...]

16 Repair Service for Mackie products is a vail able at a factory-authorized service center . Ser- vice for Mackie products living outside the United States can be obtained through local dealers or distributors. If your SRM350 needs service , please fol- low these instructions: 1. R evie w the preceding tr oubleshooting suggestions. Please . 2. Cal[...]

17 SRM350 SPECIFICA TIONS Horn Design Horizontal Coverage 90º (1 kHz - 20 kHz) Vertical Coverage 80º (1 kHz - 20 kHz) Mouth Size 11.1 in x 6.1 in (283 mm x 154 mm) Enclosure Construction Features Basic Design Asymmetrical Trapezoidal Material Polypropylene Finish Grey textured finish Handles One on side, one on top Grille Perforated metal with we[...]

18 SRM350 BLOCK DIAGRAM XLR TRS THRU 2 3 1 2 3 1 + – MID VDC + – LO VDC + – 15 VDC + – HI VDC T OROID AL POWER TRANSFORMER FUSE POWER SWIT CH MIC/LINE INPUT XLR/TRS COMBO MIC/LINE SWIT CH A = +40 dB LEVEL LIMITER ACTIVE PR OTECTION MANAGEMENT SYS TEM THERMAL SENSOR CONT OUR SIGNAL LIGHT HI-P ASS HI-FREQ TWEET HI-FREQ AMP LO-P ASS LO-FREQ DY[...]

19 A. LOUD Technologies Inc. warrants all materials, workmanship and proper operation of this product for a period of five years from the original date of purchase, with the exception of the transducers, including woofers and compression drivers, which are warranted for two years from the original date of purchase. If any defects are found in the m[...]

16220 W ood-Red Road NE • W oodinville, WA 9807 2 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and South America: 425.487 .4333 Middle East and Africa: 31.20.654.4000 F ax: 425.487 .4337 • www .mackie.com E -mail: sales@mackie.com[...]