SRM350v2 Active SOUND ReiNFORceMeNt SPeAKeR USeR`S
Contents
1. CONNECTIONS The SRM350v2 has combination female XLR and 1 4 TRS input that accepts a balanced or unbalanced mic or line level signal When connecting a balanced signal be sure its wired per AES Audio Engineering Society stan dards XLR TRS Hot Cold Ping Ring Shield Ground Pinl Shield There is also a male XLR connector labeled THRU This allows you to connect more than one SRM350v2 to the out put of your mixing console Simply plug the signal source output into the first INPUT jack and patch that speaker s THRU jack to the next INPUT jack and so on daisy chain ing multiple speakers see diagram on page 7 The THRU jack s signal comes after the MIC LINE switch but before the LEVEL control If the MIC LINE switch is pushed in on the first SRM350v2 the signal at the THRU jack is boosted by 40 dB to a line level Therefore leave the MIC LINE switch out on the following SRM850v2s in the chain SLEEVE RING TIP RING COLD TIP HOT SLEEVE SHIELD Balanced TRS Connectors 10 PLACEMENT The SRM350v2 active speakers are designed to sit on the floor a tabletop or to fit on a standard tripod speaker stand They can also be suspended by the rigging points which requires installing the optional hanging bracket on the top and or bottom of the cabinet SRM350u2 Bracket Kit Part No 0016404 NEVER attempt to suspend the SRM32. WWaaHL ANAA ap ow DH Y JON PAIX y Houms 4 ANITIN 1 e JALIN ANOLNOD d 2 2 INIWAOVNVN N AALLOV 1H911 unn zw v A Ax 2 OdWOD 1 LAdNI ANIV IIN 18 Mackie Limited Warranty Please keep your sales receipt in a safe place This Limited Product Warranty Product Warranty is provided by LOUD Technologies Inc LOUD and is applicable to products purchased in the United States or Canada through a LOUD authorized reseller or dealer The Product Warranty will not extend to anyone other than the original purchaser of the product hereinafter Customer you or your For products purchased outside the U S or Canada please visit www mackie com warranty to find contact information for your local distributor and information on any warranty coverage provided by the distributor in your local market LOUD warrants to Customer that the product will be free from defects in materials and workmanship under normal use during the Warranty Period If the product fails to conform to the warranty then LOUD or its authorized service representative will at its option either repair or replace any such nonconforming product provided that Customer gives notice of the noncompliance w
3. SRM350v2 ACTIVE SOUND REINFORCEMENT SPEAKER USER S MANUAL IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the othe A groundin plug has two blades and a third grounding prong The wide ade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with cart stand tripod bracket or table specified by the manufacturer or sold with the appo ratus When a cart is used use caution when moving the cart apparatus combination to avoid i injury from tip over 13 Unplug this apparatus d
4. Service for Mackie products living outside the United States can be obtained through local dealers or distributors If you do not have access to our website you can call our Tech Support department at 1 800 898 3211 Monday Friday normal business hours Pacific Time to explain the problem Tech Support will tell you where the nearest fac tory authorized service center is located in your area CARE AND MAINTENANCE Your Mackie active speakers will provide many years of reliable service if you follow these guidelines Avoid exposing the active speakers to moisture If they are set up outdoors be sure they are under cover if you expect rain or you live in Washington 2 gt e Avoid exposure to extreme cold below freezing tem peratures If you must operate the active speakers in a cold environment warm up the voice coils slowly by sending a low level signal through them for about 15 minutes prior to high power operation e Use a dry cloth to clean the cabinets Only do this when the power is turned off Avoid getting moisture into any of the openings of the cabinet particularly where the drivers are located Dimensions 12 25 in 311 mm 13 1 in 333 mm LEUI SE L Need help with your new SRM350v2 Visit www mackie com and click Support to find FAQs manuals addendums and other useful information Email us at techmail mackie com Telephone 1 800 898 3211 to speak with one of our splendi
5. 1W 1m 104 dB Nominal Impedance 16 ohms Power Handling 75 watts rms long term Frequency Range 1 kHz 20 kHz Magnet Type Ceramic Horn Design Horizontal Coverage 90 1 kHz 20 kHz Vertical Coverage 80 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 Midnight blue textured finish Handles One on side one on top Grille Perforated metal with weather resistant coating Line Input Power Power Consumption 120 watts with musical program and LIMIT LED blinking US 120 VAC 60 Hz Recommended Amperage Service 2 5 amps Europe 230 VAC 50 Hz Recommended Amperage Service 1 25 amps Japan 100 VAG 50 60 Hz Recommended Amperage Service 3 0 amps AC Connector 3 pin IEC 250 VAC Note The SRM350v2 does not support multiple voltage configurations Make sure the voltage rating for your particular model as indicated on the rear panel near the IEC socket corresponds with your local AC mains voltage Control System Functions Electronic Crossover Phase Alignment Equalization Parametric Equalization Safety Features Protection Low frequency Dynamic Bass Protection Power Supply and Amplifier Thermal Protection Display LEDs Signal Power Limit Physical Properties Height 20 75 in 527 mm Width 13 10 in 333 mm Depth 12 25 in 311 mm Weight 26 Ib 11 8 kg Mounting Methods Optional hanging brackets for
6. X Correct disposal of this product This symbol indicates that this product should not be disposed of with your household waste according to the WEEE Directive 2002 96 EC and your national law This product human health due to potentially hazardous substances that are generally associated with EEE At the same time your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources For more information about where you can drop off your waste equipment for recycling please contact your local city office waste authority or your household waste disposal service Contents IMPORTANT SAFETY INSTRUCTIONS 2 INTRODUCTION ssssissssicssccsnissisaanniniisciisnonnaiaarnininininacal The Power Amplifiers sciemment The HOSS EE HOOKUP DIAGRAMS ssenennnenenennennnnnees REAR PANEL DESCRIPTION sssunnenennenenceneenesS POWER 6 MIC LINE 9 7 SIGNAL D O INPUT Connector 10 THRU 2 Loudspeaker 1 i Purchased at CONNECTIONS csscsscossssessssssseccssssscesosssscsssesssecsessssessssssesseee 10 Room Acoustics COO 1 0 THERMAL CO
7. and the wire from the XLR pin 3 are joined at the RCA source end 8 Conductor Cable AER hield gt 5 Disconnect any cables which come in from outside such as cable TV satellite TV or roof top antennas They must be disconnected from every part of your system such as the TV VCR and preamp If the hum goes away you can add a ground loop isolator in your cable line This is an inexpensive device available from video or TV dealers or you can make your own from two TV baluns standard TV 75 300 ohm adaptors _ Balun join insulate Balun The baluns are threaded at one end 75 ohm to fit TV coax cable and have two wires at the other end 300 ohm They will not affect the video quality If the hum persists try removing components one at a time from the back of the mixer or preamplifier and check for hum each time turn off your equipment before you undo any connections It is fairly common to find more than one problem If your preamp or mixer are the only things connected to the SRM350v2s and the hum is still there try differ ent connection cables or move the preamp mixer to another location 15 Repair 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 To locate your near est service center visit www mackie com click Support and select Locate a Service Center
8. boost the microphone signal to a line level 7 SIGNAL Indicator This LED illuminates whenever there is a signal present at the INPUT connector on the rear panel It senses the signal just after the LEVEL control so if the LEVEL control is turned down the SIGNAL indicator won t light 8 LIMIT Indicator When the signal levels at the amplifier outputs approach clipping a soft limiting circuit is activated that reduces the input signal The LIMIT LED lights whenever the limit circuit is active It s okay for the LIMIT indicator to blink occasionally but if it blinks frequently or continuously either turn down the signal level at the mixer or other signal source or turn down the SRM350v2 s LEVEL control Wear hearing protection if you are close to the SRM350v2 playing at high levels 9 INPUT Connector This is a combination female XLR type and 1 4 TRS connector that accepts a balanced or unbalanced mic or line level signal 10 THRU Connector This is a male XLR type connector that can be used to daisy chain the input signal to another speaker The signal at this point is after the MIC LINE switch but before the LEVEL control If you have a microphone con nected to the first SRM850v2 and you have the MIC LINE switch pushed in the signal at the THRU jack is boosted 40 dB to a line level so leave the MIC LINE switch out on the next SRM350v2 VERY IMPORTANT MACKIE SRM3500
9. 50v2 ac tive speakers by their handles You can lay the cabinet down on its side and use the SRM350v2 as a floor monitor The asymmetrical trapezoidal shape of the cabinet provides a perfect angle for aiming up toward performers from the front of the stage As with any powered components protect them from moisture If you are setting them up outdoors make sure they are under cover if you expect rain The SRM350v2 generates a magnetic field Do not place it closer than two feet 0 6 meters from any TV set or computer monitor Check the screen for any change in color or distortion Do not place any magnetic audio or video tapes or computer discs near the SRM350v2 VERY IMPORTANT ff VERY IMPORTANT Room Acoustics The SRM350v2 active speakers are designed to sound as neutral as possible that is to reproduce the input signal as accurately as possible monitoring the sound rather than changing it Room acoustics play a crucial role in the overall performance of a sound system However the wide high fre quency dispersion of the SRM350v2 helps to minimize the problems that typically arise 90 Dispersion up to 20 kHz Here are some useful placement tips Avoid placing loudspeakers in the corners of a room This increases the low frequency output and can cause the sound to be muddy and indistinct Avoid placing loudspeakers against a wall This too increases the low frequency output though not as m
10. L QUALIFIE AVIS POUR EVITER LES RISQUES D INCENDIE OU D ELECTROCUTION N EXPOSEZ PAS CET ARTICLE A LA PLUIE OU A L HUMIDITE The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Le symbole clair avec point de fl che l int rieur d un triangle quilat ral est utilis pour alerter l utilisateur de la pr sence l int rieur du coffret de voltage dangereux non isol d ampleur suffisante pour constituer un risque d l ctrocution The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Le point d exclamation l int rieur d un triangle quilat ral est employ pour alerter les utilisateurs de la pr sence d instructions importantes pour le fonctionnement et l entretien service dans le livret d instruction accompagnant l appareil 19 NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equip ment generates uses and can radiate radio frequency
11. NSIDERATIONS sssssscsssscsssssssesssvssesssecssssssssesseee 12 AC POWER CONSIDERATIONS sen 12 AC Power Distribution ses 12 SERVICE INFORMATION snennnmnees 14 14 CARE AND MAINTENANCE sors 16 SPECIFICATIONS 17 LIMITED WARRANTY sssssssosssossosssosssossoossoossossoossoossoosoossoossoosos 19 Please write the serial number for your SRM350v2 here or for both SRM350v2s if you have two for future reference insurance claims tech support return authorization etc Loudspeaker 2 Date of Purchase Part No SW0616 Rev D 02 09 2003 2009 LOUD Technologies Inc All Rights Reserved INTRODUCTION Thank you for choosing LOUD Technologies Mackie ac tive sound reinforcement speakers The SRM350v2 is a redesigned version of our popular SRM350 active loudspeaker With its newly designed Class D Fast Recovery amplifiers high output compression driver and new 10 neodymium woofer it produces an even smoother sound than the original SRM means Sound Re inforcement Monitor and the SRM350v2 truly produces a studio quality sound in a sound reinforcement speaker Our design goal was to build a sound reinforcement speaker with 1 High precision high output and accurate playback 2 Very wide smooth dispersion of mid and high frequencies 3 Ergonomically correct physical design for easy transport and set up Through the combined resources of our top notch mechanical and analog engineers
12. NT to determine which way sounds best for your application It is especially useful when listening at lower volumes as it highlights the bass like a Loudness switch in addition to boosting the highs 5 LEVEL This is used to adjust the signal level going into the built in power amplifiers from off up to 45 dB of gain Since the SRM350v2 incorporates Mackie s world class low noise mic preamp technology you can connect either a line level or a microphone level signal to the input and use this con trol to adjust the level correctly There is no phantom power provided for a microphone so you should use a dynamic mic or use a condenser type if it has its own battery power Follow the Quick Start guide on page 6 for setting the LEVEL control For most applications it will be in the NOR MAL position 12 o clock If you have a particularly high line level signal connected to the SRM350v2 you may need to turn the control down to the 9 o clock position If you have a low line level or mic level signal connected you may need to turn the LEVEL control up to the 8 o clock position 6 MIC LINE Switch Leave this switch out when connecting a line level signal to the INPUT connector from a mixer graphic EQ or other line level signal source Push this switch in when connecting a microphone to the INPUT connector Since a microphone produces a much smaller signal than a line level signal this provides an additional 40 dB of gain to
13. amplifiers to overheat In this case you should try aiming a fan at the heatsink to increase the air flow through the fins During a performance don t have it cranked so high that the rear panel LIMIT LED is blinking frequently or lighting continuously You should turn down the LEVEL control a notch or two to avoid overheating the amplifiers or your neighbors If the amplifiers begin to overheat the Active Protection Management System gently reduces the input signal level until the amplifiers have cooled down to a safe operating temperature 2 12 CONSIDERATIONS Be sure the SRM350v2 is plugged into an outlet that is able to supply the correct voltage specified for your model If the voltage should drop below 97 of the specified line voltage the built in amplifiers will no longer be able to supply rated power They will continue to operate down to 75 of the rated line voltage but won t reach full power resulting in lower headroom Under maximum SPL conditions where musical peaks are clipping the SRM350v2 120V model draws 2 5 amps on average 1 3 amps for the 230V model Under normal con ditions the current draw is below 1 amp We recommend that a stiff robust supply of AC power be used because the amplifiers place high current demands on the AC line The more power that is available on the line the louder the speakers will play and the more peak output power will be available fo
14. and our experienced transducer engineers at EAW we were able to achieve our design goals in every aspect The result is a sound rein forcement system equally at home in concert setting in the studio impromptu concerts on the studio roof in the cinema or ina home theater The Transducers The SRM350v2 active speakers feature a 10 inch high power low frequency woofer with a neodymium magnet and a 1 4 inch titanium diaphragm high output ceramic compression driver This high frequency driver is mounted on an acoustically non resonant exponential waveguide providing a wide controlled dispersion and precise reproduction of the critical upper mid range and high frequencies The result is an unbelievably smooth off axis response that allows everyone in the audience to experi ence the same high resolution audio no matter where they are seated Power Amplifiers To power these beauties each SRM350v2 includes two of our acclaimed FR Series Fast Recovery power amplifiers In addition the low frequency amplifier uses a Class D design for improved efficiency and cleaner power Our exclusive designs use low negative feedback yet allow the amplifiers to maintain low distortion and stability and to quickly recover when driven into clipping The amplifiers include the following features e The low frequency amplifier produces 165 continuous watts before clipping e The high frequency amplifier produces 30 continuous watts before cli
15. ar hearing protectors if you are close when it is playing at high levels If there is no sound always turn down the SRM350v2 LEVEL control before investigating There may be a mixer or preamplifier mute or tape switch engaged or a mic switch off Left Right Line level Line level Output Output 0 2 a SRM350v2 STEREO OPERATION WITH MIXER 6 The SRM350v2 can be used with a Mackie SWA1501 or SWA1801z SWA2801z subwoofer to create an incredibly pow erful system The active crossover inside the subwoofer splits the full range input sig nal into two ranges The subwoofer plays the low frequency range through its built in amplifier and woofer and sends the Line level Hi pass high pass range to the out SRM350v2 Pen The SRM350v2 can be pole mounted on top of the SWA1501 as shown us ing the optional SPM100 Speaker Pole Mount saving the cost of a more expensive tripod stand SWA1501 plays the low frequencies Line level Hi pass out Power Cords SWA1501 plays the low frequencies SRM350v2 3 WAY SYSTEM WITH POWERED SUBWOOFER 7 REAR PANEL DESCRIPTION The SRM350v2 has several connectors controls and indicators that you should understand 1 IEC So
16. cket This is where you connect the supplied AC linecord to provide AC power to the SRM350v2 s built in power amplifi ers Plug the linecord into an AC socket properly configured for your particular model Note If you happen to lose the AC linecord replace ments are readily available at any office or computer supply store Always use a three pin plug with a ground pin 2 POWER Switch Switch up to turn the SRM350v2 on Make sure the LEV EL control is down before you turn it on Press the bottom of this switch to put the speaker into standby mode It will not function but the circuits are still live To remove AC power either turn off the AC mains supply or unplug the power cord from the speaker and the AC mains supply 3 POWER Indicator When the POWER switch is turned on and the linecord is connected to an active AC Mains supply this indicator lo cated just above the POWER switch glows to let you know that you re ready to rock and roll The cool blue LED on the front of the speaker works in the same way SIGNAL LIMIT NORMAL 100Hz 12K AIR CONTOUR 3dB A LINE TaTIvavd 4 CONTOUR Pushing in this switch engages a filter that provides 3 dB of boost to the low and high frequencies below 100 Hz and above 12 kHz This provides a punchy crisp sound for most live music applications You can experiment with this switch by leaving it out for a while then pushing it in VERY IMPORTA
17. d technical support representatives Monday through Friday normal business hours PST 16 SRM350v2 SPECIFICATIONS System Specifications Frequency Response 3 dB 83 Hz 18 5 kHz Frequency Range 10 dB 61 Hz 22 kHz Max SPL Long Term 1m 118 dB Max SPL Peak 1m 121 dB Crossover Linkwitz Riley 24 dB octave 2400 Hz Audio Input Type Balanced Differential Input Impedance 94k ohms Sensitivity center detent Line 4 dBu Mic 96 dBu Maximum Input Level 22 dBu Acoustic Contour Equalization peaking 3 dB 100 Hz 3 dB 12 kHz Operating Temperature Range 10 C 45 C 14 F 113 F Power Amplifiers Low Frequency Power Amplifier Rated Power 165 watts continuous Rated THD lt 0 03 Cooling Convection Extrusion Design Class D High Frequency Power Amplifier Rated Power 30 watts continuous Rated THD lt 0 03 Cooling Convection Extrusion Design Class AB Rated power is continuous rms wattage into transducer s rated imped ance 1 kHz for the HF amplifier and 100 Hz for the LF amplifier Transducer Specifications Low Frequency Transducer Diameter Voice Coil Diameter 10 in 250 mm 2 0 11 51 mm Sensitivity 1W 1m 96 dB Power Handling 250 watts rms long term Frequency Range 61 Hz 3 kHz Magnet Type Neodymium High Frequency Transducer Diaphragm Diameter 1 4 86 mm Horn Exit Diameter 1 in 25 4 mm Diaphragm Material Titanium Sensitivity
18. e correct frequency range for its driver The amplifiers are designed specifically for these speaker load impedances There is no guesswork as to what load each amplifier has to drive so they can provide maximum acoustic output from the speakers yet minimize the danger of speaker damage due to overdriving a lesser amplifier The connecting wires between the amplifier outputs and the drivers are kept to a minimum so the damping factor of the amplifier isn t compromised by the resis tance of long speaker cables In addition all the power from the amplifier is transferred directly to the drivers with no speaker cable losses The acoustic sum of the outputs from the two drivers is optimized electronically as well as physically so the amplitude response is flat and there is no lobing error The presence of active circuits within the speaker cabinet allow the designer to add on extra details such as a high quality mic line input section and optional accessory modules In short all the complex interconnected components in the system are designed to work in harmony with each other to produce the best possible sound HOOKUP DIAGRAMS Quick Start 1 2 2 Start with the following settings on the back of the SRM350v2 Turn the POWER switch off down Set the CONTOUR and MIC LINE switches out If using a microphone as the
19. energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected out the dealer or an experienced radio TV technician for elp CAUTION Changes or modifications to this device not expressly approved by LOUD Technologies Inc could void the user s authority to operate the equipment under rules 20 This apparatus does not exceed the Class A Class B whichever is applicable limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications ATTENTION Le pr sent appareil num rique n met pas de bruits radio lectriques ara Ha limites alle aux appareils num riques de class A de class B selon le cas prescrites dans le r glement sur le brovillage radio lectrique dict par les ministere des communications du Canada 21 Exposure to ext
20. ies outside of their capabilities e The acoustic sum of the two driver responses is unity at the crossover frequency resulting in perfect power response e Our heroic engineers have worked carefully to en sure that the SRM350v2 also provides perfect phase response This diligence has yielded phenomenal ac curacy even if you are standing 20 feet away The Cabinet The SRM350v2 cabinet was designed to be the strongest molded composite cabinet on the planet Earth This ma terial is as strong as concrete and rigid enough to prevent unwanted vibrations in the cabinet An optional bracket kit is available for the top and bottom of the cabinet to be used for flying and a socket is provided in the bottom of the cabinet for mounting on a tripod stand Although it is an exceptional choice for installed sound situations its light weight and durable finish also make it ideal for portable sound system use The asymmetrical trapezoidal design of the cabinet makes it easy to use as a floor wedge for stage monitor applications The Active Advantage There are a number of advantages to using an active speaker system over a passive loudspeaker The internal crossover is active and its low power cir cuitry operates on line level signals It does not waste speaker level power like a passive crossover with large coils caps and resistors The input signals are crossed over before they reach the amplifiers so each amplifier only receives th
21. input to the SRM350v2 push the MIC LINE switch in WARNING Turn the LEVEL control down counterclockwise before every use If not you could be in for a star tling surprise especially if the last time you used it was with microphone and now you want to connect a line level source Connect the output from your signal source mixing console microphone preamp or other mic or line lev el source directly to the INPUT connector on the back of the SRM350v2 This is a combination XLR and 1 4 TRS connector and accepts balanced or unbalanced line level signals from mixers preamplifiers CD play ers tape decks etc with the MIC LINE switch out and accepts direct connections from dynamic microphones with the MIC LINE switch pushed in Mixer or Preamplifier Connect the supplied AC power cord to the IEC socket on the back of the SRM350v2 Plug the other end into an AC outlet properly configured with the correct voltage for your particular model Turn on your signal source Make sure its Master Vol ume control if it has one is turned all the way down 5 Turn on the SRM350v2 POWER switch Start the signal source whether it be speaking into a microphone or starting a CD player Adjust any volume controls on the signal source for normal operation Slowly turn up the LEVEL control on the back of the SRM350v2 until the desired volume is reached and the LIMIT light does not come on Always we
22. ions to the active speakers are good Make sure none of the signal cables are routed near AC cables power transformers or other EMI inducing devices Is there a light dimmer or other SCR based device on the same AC circuit as the SRM350v2 Use an AC line filter or plug the SRM350v2 into a different AC circuit Hum Turn the LEVEL control all the way down If the noise disappears it s coming from the signal source If not try disconnecting the cable connected to the INPUT jack If the noise disappears it could be ground loop rather than a problem with the SRM350v2 Try some of the following troubleshooting ideas Use balanced connections throughout your system for the best noise rejection Whenever possible plug all the audio equipments linecords into outlets which share a common ground see the diagram on page 13 The distance between the outlets and the common ground should be as short as possible Never remove the ground pin on the power cord of the SRM350v2 or any other component This is very dangerous 2 The hum may appear when using an unbalanced source consumer preamp CD player VCR etc This is caused by the unbalanced to balanced interface between the devices and exacerbated by the fact that most consumer audio equipment have a two wire linecord without the third pin safety ground Use an interconnect cable wired as shown below The important point is that the shield
23. ithin the Warranty Period to the Company at www mackie com support or by calling LOUD technical support at 1 800 898 3211 toll free in the U S and Canada during normal business hours Pacific Time excluding weekends or LOUD holidays Please retain the original dated sales receipt as evidence of the date of purchase You will need it to obtain any warranty service For full terms and conditions as well as the specific duration of the Warranty for this product please visit www mackie com warranty The Product Warranty together with your invoice or receipt and the terms and conditions located at www mackie com warranty constitutes the entire agreement and supersedes any and all prior agreements between LOUD and Customer related to the subject matter hereof No amendment modification or waiver of any of the provisions of this Product Warranty will be valid unless set forth written instrument signed by the party to be bound thereby 19 MACKIE 16220 Wood Red Road Woodinville 98072 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 Fax 425 487 4337 www mackie com E mail sales mackie com
24. pping e When the output from either amplifier begins to clip a limiter gently reduces the input signal level until the output is no longer clipping e The low frequency amplifier also has a Dynamic Bass Boost circuit Our ears are more sensitive to bass fre quencies at high volume levels than at softer volumes This unique circuit automatically reduces the low frequencies below 70 Hz as the volume of the speak ers goes up This results in improved efficiency for the low frequency amplifier because it is not wasting power trying to reproduce frequencies we hear better at loud volumes Instead the power is used for the frequencies where it is needed resulting in a louder sound Warning Although the amplifiers have these protection circuits you must still make sure the LIMIT light is not blinking continuously If it is turn down your mixer faders or preampli fier gain or turn down the SRM350v2 LEVEL control 2 gt The Crossover The built in electronic crossover is a 24 dB octave Linkwitz Riley design Although more expensive than other crossover designs the benefits provided by the Linkwitz Riley design have been well documented These benefits include e Absolutely flat frequency response throughout the bandpass without the characteristic ripple near the crossover point exhibited by other designs e The sharp 24 dB per octave roll off of the filters ensures that the transducers aren t reproducing frequenc
25. r cleaner punchier bass A sus pected problem of poor bass performance is often caused by a weak AC supply to the amplifiers AC Power Distribution A 240VAC center tapped service entrance transformer serves the majority of AC outlets encountered in homes and clubs in the U S This provides two phases of AC power on either side of the center tap at 120V each If lighting is used in a show it is preferable to power the lights from one leg of the service and power the audio equipment from the other leg This will help minimize noise from the lights coupling into the audio particularly if SCRs or light dimmer switches are used Wherever possible connect all of your equipment to the same electrical circuit This will help reduce the possibility of a ground loop problem causing an annoying hum in your speakers Low power components such as tape decks mixers ef fects processors and CD players should be connected to the same outlet as the SRM350v2s Use fused power strips as shown in the diagram below Make sure that the total current draw of your components does not exceed the capa bility of the outlets and power strips HIGH VOLTAGE POWER LINE pe 120V PRIMARY WINDING SECONDARY WINDING 240V 120V TRANSFORMER ___ EARTH GROUND NEUTRAL 240V SECONDARY For the US 120 model When setting up for a show often you are plugging into an AC power dis
26. remely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S Government s Occupational Safety and Health Administration OSHA has specified the permissible noise level exposures shown in the following chart According to OSHA any exposure in excess of these permissible limits could result in some hearing loss To ensure against potentially danger ous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pres sure levels use hearing protectors while the equipment is in operation Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equipment in order to prevent permanent hearing loss if exposure is in excess of the limits set forth here Typical Example Duration Sound Level i dayin dBA Slow ours Response E Hoo ponm ________ uo in small club 6 Mm 1 4 12 ____100 dos ____ _ loud classical music 15 102 at Steve EE lines Ea parts at a rock concert should be handed over to an authorized collection site for recycling waste electrical and electronic equipment EEE Improper handling of this type of waste could have a possible negative impact on the environment and
27. roach is to provide as much direct sound coverage to the audience as possible The farther away you are from the speaker the more prominent will be the reflected sound Use more speakers strategically placed so they are closer to the back of the audience If the distance be tween the front and back speakers is more than about 100 feet you should use a delay processor to time align the sound Since sound travels about 1 foot per mil lisecond it takes about 1 10 of a second to travel 100 feet RIGGING The SRM350v2 cabinets are fitted with four 5 insert points on the top and bottom for installing an optional hanging bracket that allows the speaker to be flown SRM350v2 Bracket Kit Part No 0016404 WARNING Never attempt to suspend the SRM350v2 active speakers by their handles If you want to suspend them use the hanging brackets only M5 inserts for mounting optional hanging bracket 5 Be gt Pole Top Mount Bottom If you are hanging them in an inacces sible place such as over a lion s cage make sure that you first complete the sound check and set the SRM350v2 LEVEL correctly VERY IMPORTANT 11 THERMAL CONSIDERATIONS The amplifiers inside the SRM350v2 are convection cooled by a large heatsink For efficient cooling it is important to allow at least six inches of free space behind the SRM350v2 If the ambient temperature in the room is high though highly unlikely it could cause the
28. te on or a Tape or Processor loop engaged If you find something like this make sure the volume gain is turned down before disengaging the offending switch 14 One side is way louder than the other e Are the LEVEL controls set the same on both active speakers Check the PAN control or balance on the signal source It may be turned too far to one side If you re using a stereo signal source it may be delivering an out of bal ance stereo signal e Try swapping sides Turn off the active speakers swap the input cables coming from the mixing console turn the active speakers back on If the same side is still louder the problem may be with your active speakers or cables between the mixer and the active speaker If the other side is louder now the problem is with the mixer or the signal source Poor bass performance e Check the polarity of the connections between the mixer preamp and the active speakers You may have your positive and negative connections reversed at one end of one cable causing one SRM350v2 to be out of phase Bad sound e sit loud and distorted Follow the procedures de scribed in the Quick Start section to verify that the levels are set properly e 5 the input connector plugged completely into the jack Be sure all connections are secure It s a good idea to periodically clean all electrical connections with a non lubricating electrical contact cleaner Noise Make sure all connect
29. top and bottom of enclosure SRM350v2 Bracket Kit Part No 0016404 Never attempt to suspend the cabinet by its handles The SRM350v2 is pole mountable via the built in socket on the bottom of the cabinet Be sure the pole is capable of supporting the weight of the SRM350v2 Disclaimer Since we are always striving to make our products better by incorpo rating new and improved materials components and manufacturing methods we reserve the right to change these specifications at any time without notice Mackie and the Running figure are registered trademarks of LOUD Technologies Inc All other brand names mentioned are trademarks or registered trade marks of their respective holders and are hereby acknowledged 2004 2009 LOUD Technologies Inc All Rights Reserved 17 SRM350v2 BLOCK DIAGRAM 400M Wva9vIa 2014 ZA OGCWAS SNOSISAd AV 3514 A NAHL LL SAL AAWYOASNVAL YATIOALNOD ONIHILIMS HOLIMS La q 4 4 SSva 01 15004 SSVa
30. tribution system you know nothing This allows each SRM350v2 to be safely operated at about You may even be faced with 2 its maximum level wire outlets that are missing the third safety ground pin It s a good idea to have a three wire AC outlet tester in your toolbox so you can check the outlets yourself to make sure they are wired correctly These testers will tell you if the polarity of the hot and neutral wires is reversed and if the safety ground is disconnected A maximum of five SRM350v2s can be connected per 15A service When turning your system on turn on the SRM350v2s last This will stop any turn on thumps and bangs from your source equipment being amplified When turning off your system turn off the SRM350v2s first This will prevent any turn off thumps and bangs from your source equipment being amplified Don t use an outlet if it is wired im properly This is to protect yourself as well as your equipment VERY IMPORTANT Never remove the ground pin on the power cord of the SRM350v2 or any other component This is very danger ous VERY IMPORTANT DECK EFFECTS T SRM350v2 CONNECTIONS OOOOH 13 SERVICE INFORMATION If you think your loudspeaker has a problem please check out the following troubleshooting tips and do your best to confirm the problem Visit the Support section of our website w
31. uch as corner placement However if you do need to reinforce the low frequencies this is a good way to do it Avoid placing the active speakers directly on a hol low stage floor A hollow stage can resonate at certain frequencies causing peaks and dips in the frequency response of the room It s better to place the active speakers on a sturdy table or tripod stands Position the active speakers so the high frequency drivers are 2 to 4 feet above ear level for the audience make allowances for a standing dancing in the aisles audience High frequencies are highly directional and tend to be absorbed much easier than lower frequen cies By providing direct line of sight from the active speakers to the audience you increase the overall brightness and intelligibility of the sound system Highly reverberant rooms like many gymnasiums and auditoriums are a nightmare for sound system intel ligibility Multiple reflections off the hard walls ceiling and floor play havoc with the sound Depending on the situation you may be able to take some steps to mini mize the reflections such as putting carpeting on the floors closing draperies to cover large glass windows or hanging tapestries or other materials on the walls to absorb some of the sound However in most cases these remedies are not possible or practical So what do you do Making the sound system louder generally doesn t work because the reflections become louder too The best app
32. uring lightning storms or when pe for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed 10 rain or moisture does not operate normally or has been dropped 15 Do not overload wall outlets and extension cords as this can result in a tisk of fire or electric shock 16 This apparatus shall not be exposed to dripping or splashing and no object tilled with liquids such as vases or glasses stl be placed on the apparatus 17 This apparatus has been designed with Class construction and must be connected to a mains socket outlet with a protective earthing con nection the third grounding prong 18 The MAINS plug or an appliance coupler is used as the disconnect device so the device shall remain readily operable D NOUS N PORTABLE CART WARNING uy _ CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR AY A 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 AUGUN ENTRETIEN DE PIECES INTERIEURES PAR L USAGER ONFIER L ENTRETIEN AU PERSONNE
33. ww mackie com support where you will find lots of useful information such as FAQs and other docu mentation You may find the answer to the problem without having to send your loudspeaker away If you do find the problem make sure that you turn down the LEVEL controls and turn off the SRM350v2 before cor recting it or changing any connections 5 Troubleshooting No power e Our favorite question Is it plugged in Make sure the AC outlet is live check with a tester or lamp e Our next favorite question Is the POWER switch on If not try turning it on e Is the blue light on the front panel illuminated If not make sure the AC outlet is live If so refer to No sound below e The AC line fuse inside the chassis is blown This is not a user serviceable part Refer to Repair on page 16 to find out how to proceed No sound e 5 the input LEVEL control turned all the way down Follow the procedures in the Quick Start section on page 6 to verify that all the volume controls in the system are properly adjusted e 5 the signal source working and making union scale Make sure the connecting cables are in good repair and securely connected at both ends Make sure the output volume gain control on the mixing console or preamp is turned up sufficiently to drive the inputs of the speaker You should be able to see the SIGNAL LED blink on the rear panel e Make sure the preamp or mixer does not have a Mu
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