Mackie SRM450V2 manuale d’uso

OWNER’S MANUAL P ower ed Loudspeak er SRM450v2[...]

2 IMPOR T ANT SAFETY INSTRUCTIONS CAUTION A VIS RISK OF ELECTRIC SHOCK . DO NOT OPEN RISQUE DE CHOC ELECTRIQUE. NE P AS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE P ARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL A TTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, NE PAS ENLEVER LE[...]

3 Don’t forget to visit our website at www .mackie.com for more information about this and other Mackie products. Loudspeaker 1 Loudspeaker 2 P le a se w ri t e t h e se ri a l n u mb e r f o r yo ur S RM 4 50 v2 h e r e ( or fo r bo t h S R M4 50 v2 s if yo u ha v e tw o) f or f ut u re r ef e r en c e (i.e., insurance claims, tech support, retu[...]

4 INTRODUCTION Thank you for choosing LOUD T echnologies’ Mackie active sound reinforcement loudspeakers. The SRM450v2 is a redesigned version of our popular SRM450 active loudspeaker . With its newly designed Class-D Fast-Recovery amplifiers, high-output co m pr es si o n d ri v er , an d 1 2 " w oo fe r , it pr o du ce s a n e v en smooth[...]

5 The Cabinet The SRM450v2 cabinet was designed to be the strongest mo l de d c o mp os i te ca b in et on th e p la n et . T h is ma te r ia l i s a s st r on g a s c on c r e te , a nd ri g id e n ou g h t o pr ev e nt u n wa n te d vibrations in the cabinet. It has built-in fly points for hanging, and a socket in the bottom for mounting on a tr[...]

6 HOOKUP DIAGRAMS Quick Start 1. St a rt w i th th e f ol l ow i ng se tt i ng s o n t he ba c k o f th e SRM450v2: T urn the POWER switch off (down). Se t t h e T IM ED TU R NO F F , CO N TO U R, a n d L OW CU T switches out. W ARNING: T urn the LEVEL control down (counterclockwise) before every use. If not, you could be in for a startling surpris[...]

7 SRM450 v 2: USING A MICROPHONE AND THE THRU jACK SRM450 v 2: 3-W A Y SYSTEM WITH A POWERED SUBWOOFER POWER SIGNAL PRESENT INPUT THRU THERMAL PEAK TIMED TURN OFF ON OFF CONTOUR LOW CUT ON 75Hz 12k/ AIR 100Hz +3dB MIC L INE LEV EL (+ 4 dBu) NORMAL +40 dB O O O PARALLEL POWER SIGNAL PRESENT INPUT THRU THERMAL PEAK TIMED TURN OFF ON OFF CONTOUR LOW C[...]

8 POWER SIGNAL PRESENT INPUT THRU THERMAL PEAK TIMED TURNOFF ON OFF CONTOUR LOW CUT ON 75Hz 12 k / AIR 100Hz +3dB MIC L INE LEV EL (+ 4 dBu) NORMAL +4 0 dB O O O PARALLEL REAR P ANEL DESCRIPTION 5. THERMAL Indicator This LED lights if the heatsink temperature exceeds a safe operating temperature and triggers the thermal safety switch. In the unlike[...]

9 8. LEVEL Th i s i s u se d t o a dj u st t h e s ig n al l e ve l g o in g i nt o t h e bu i lt - in po we r a m pl i fie rs , f r om of f, up to 40 dB o f g a in . Si n ce th e S RM 4 50 v 2 i nc or p or a te s M ac k ie ’ s w o rl d -c l as s lo w -n o is e m ic pr ea mp te c hn o lo gy , yo u c an co n ne ct ei t he r a line-level or a micr[...]

10 PLACEMENT Th e S R M4 5 0v 2 a ct i ve sp ea k er s a r e d e si g ne d t o s it on t h e flo o r , a t a bl e to p, or to fit o n a st a nd ar d t r ip o d sp e ak e r s ta nd . Th e y c an al so be su s pe nd e d b y t he r i gg i ng po i nt s, sh o wn opposite. Y ou c an la y t he ca b in e t do w n o n i ts s i de an d u se th e SR M 45 0 [...]

11 Here ar e some other placement tips: • A vo id  pl a ci n g lo u ds p ea k er s i n t he  co r ne rs  of  a r oo m . This increases the low-fr equency output and can cause the sound to be muddy and indistinct. • A vo id  pl a ci n g lo u ds p ea k er s a ga i ns t a  wa ll . T h is , t o [...]

12 AC POWER CONSIDERA TIONS THERMAL CONSIDERA TIONS HEA TSINK THERMAL PEAK LOW CUT The amplifiers inside the SRM450v2s a r e convection cooled by a large heatsink. Fo r e f fic i en t c oo l in g , it is im p or ta n t t o al l ow at le as t s i x i nc he s o f f r e e s pa c e behind the SRM450v2. If yo u u s e th e S R M4 5 0v 2 o n i ts si de [...]

13 For the US 120 V model: A m ax i mu m o f fi ve SR M 45 0v 2 s c an be c o nn e ct e d p er 15A service. Th i s a ll o ws e a ch SR M 45 0v 2 t o b e s af e ly op e ra t ed a t i t s maximum level. Wh e n t ur n in g y ou r s y st em on , t u rn o n t h e S RM 4 50 v2 s la s t. Th i s wi l l s to p a ny tu r n- o n th u mp s a n d b an gs fr o [...]

14 SER VICE INFORMA TION One side is way louder than the other! • A r e th e L EV E L c on t ro ls se t t h e s am e o n b ot h a c ti v e speakers? • C h ec k t h e P AN  co nt r ol  or  ba la n ce  on  th e s ig n al  so u rc e. It may be turned too far to one side. If you’re[...]

15 join (+insulate) Balun Balun shield 1 2 3 XLR RCA 3-Conductor Cable Noise • Makesureallconnectionstotheactivespeakers  are good. • Makesurenoneofthesignalcablesar eroutednear AC ca b le s , po w er tr a ns fo r me r s, or o t he r E M I- i nd uc i ng devices. • I s t h[...]

16 Repair Dimensions For warranty service, refer to the warranty information on page 19. Non-warranty service for Mackie products is available at a factory-authorized service center . T o locate your nearest service center , visit www .mackie. com, click “Support” and select “Locate a Service Center .” Service for Mackie products living out[...]

17 SRM450v2 SPECIFICA TIONS Line Input Power US 120 V AC, 60Hz Recommended amperage service 2.5 amps Europe 230 V AC, 50Hz Recommended amperage service 1.25 amps Japan 100 V AC, 50/60Hz Recommended amperage service 3.0 amps AC Connector 3-pin IEC 250 V AC Control System Function Electronic Crossover Phase Alignment Equalization Parametric Equalizat[...]

18 SRM450v2 BLOCK DIAGRAM INPUT THR U 2 3 1 2 J15 3 1 HI-P ASS L OW CUT CONT OUR COMPRESSOR THRESHOLD COMPRESSOR SWEEPING FIL TER L O-P ASS DELA Y 176uS HI-FREQ 40-120 Hz L O-FREQUENCY DRIVER T WEE T L O-FREQ AMP HI-FREQ AMP SENSE RESIS TO R B ASS CONT ROL SE R VO LOOP WOOF PEAK LIGHT PEAK DETECTION THRESHOLD LPF THRESHOLD + – MID VDC + – LO VD[...]

19 Mackie Limited Warranty Please keep your sales receipt in a safe place. This Limited Product W arranty (“Product W arranty”) is provided by LOUD T echnologies Inc. (“LOUD”) and is applicable to products purchased in the United States or Canada through a LOUD-authorized reseller or dealer . The Product W arranty will not extend to anyone [...]

16220 W ood-Red Road NE • Woodinville, W A 98072 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and S outh 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[...]