SRM150 Compact Active PA System User`s Manual
Contents
1. SRM150 COMPACT ACTIVE PA SYSTEM USER S MANUAL IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Do not use this apparatus near water 1 2 3 4 Follow all instructions 5 6 Clean only with dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade 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 a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over PORTABLE CART WARNING Carts and stands The C2. E ot TA U UIEN amp mn 5 z ap os ain eur LT a ules ML ASZ 001 lt 5 IH Ou OI ot V SUIT 3 SS ISAST UIEN Odgpueg e s T OIN SE Z jeuueyo peu uojueud l l E re v eur A 2 IN Jeuueu 18 SRM150 LIMITED WARRANTY Please keep your sales receipt in a safe place 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 following exception warranty on all loudspeaker components including woofers and compression drivers are only warranted for two years If any defects are found in the materials or workmanship or if the product fails to function properly during the applicable warranty period LOUD Technologies at its option will repair or replace the product This warranty applies only to equipment sold and delivered within the U S by LOUD Technologies Inc or its authorized dealers B Failure to register online or return the product registration card will not void the one year warranty C Service and repairs of Mackie products are to be performed only at a factory authorized facility see D below Unauthorized service repairs or modification will void this warranty To obtain repairs under warran
3. Diameter Power Handling 150 watts Frequency Range 90 Hz 20 kHz Magnet Type Neodymium Safety Features Overload Protection Limiter Thermal Protection Amplifier shutdown auto reset Construction Features Material Polypropylene Finish Grey textured finish Handle Top mounted Grille Perforated metal with weather resistant coating Physical Properties Height 8 0 in 20 3 cm Width 11 2 in 28 4 cm Depth 6 8 in 17 3 cm Weight 1 6 1b 3 4 kg Mounting Methods Mic stand mountable via the built in socket on the bottom of the cabinet with the supplied adapter AC Power Requirements 100 VAC 240 VAC 50 60 Hz 35 V AC Connector 3 pin IEC 250 VAC Disclaimer Since we are always striving to make our products better by incorporating new and improved materials components and manu facturing methods we reserve the right to change these specifica tions at any time without notice Mackie and the Running Man figure are registered trade marks of LOUD Technologies Inc All other brand names mentioned are trademarks or registered trademarks of their respective holders and are hereby acknowl edged 2006 LOUD Technologies Inc All Rights Reserved DE TS Z ew eem onim E t RO pu K N y E du 17 SRM150 BLOCK DIAGRAM Jexyeedspno Jeyijduiy 18M04 Japu
4. It ae Hit gets really loud really fast try turning down balanced line level signals from mixers preamplifi the MAIN LEVEL control or the input source ers CD players tape decks etc and accepts direct volume control if it has one If it doesn t get very loud even with the input chan nel gain control all the way up try turning up the MAIN LEVEL control or the input source volume control if it has one 9 MAIN EQ C Z Ss 10 If there is no sound always turn down the SRM150 OFF MAX MAIN LEVEL control before investigating There ANI may be a mixer or preamplifier mute or tape switch d engaged or a mic switch off INSTRUMENT CH 1 e 1 2 3 9 Le MIC LINE cp ALINE MIC o D 69 uv Ce SRM150 HOOKUP DIAGRAMS Boom Extender Included MP3 Player Electric Guitar e This illustrates how to use the SRM150 as a per Mie Sranda sonal monitor Mount the SRM150 on a microphone Included stand using the Mic Stand Mounting Bracket in 1 cluded with the SRM150 Attach the Boom Extender also included to the top of the SRM150 and use a microphone boom to hold your microphone Connect the microphone and an instrument to the SRM150 Channels 1 and 2 and a playback device like an MP3 player to Channel 3 SRM150 PRACTICE SETUP USING MIC STAND AND BOOM
5. the unique de sign 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 e The amplifiers are designed specifically for the speaker load impedance There is no guesswork as to what load the amplifier has to drive so it can provide maximum acoustic output from the speaker yet minimize the danger of speaker damage due to overdriving a lesser amplifier e The connecting wires between the amplifier output and the driver is kept to a minimum so the damping factor of the amplifier isn t compromised by the resistance of long speaker cables In addition all the power from the amplifier is transferred directly to the driver with no speaker cable losses e 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 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 QUICK START 1 Start with the following settings on the front of the connections from microphones Channel 3 has ste SRM150 reo RCA jacks 2 specifically for a stereo line level i D player MAIN LEVEL 6 control down input from a tape deck or CD player e PHANTOM POWER 5 switch out unless you are 3 Connect the supplied AC power cor
6. 4 Subway Train 3 2 15 1 Tami screaming at Adrian about deadlines 05 0 25 or less Loudest parts at a rock concert WARNING To reduce the risk of fire or electric shock do not expose this appara tus to rain or moisture Contents IMPORTANT SAFETY INSTRUCTIONS cesse 2 INTRODUCTION 4 QUICK START A 5 HOOKUP DIAGRAMS ananas 6 FRONT PANEL HESE HERE 8 L MIC LINE Io LU LLL IL LLL HE ARAB ILU 8 2 Stereo Mpu sesonon oraiiio i np M Dm RUM pN RUM E 8 3 Channel Gain Contrels u u Uu U 4 INSTRUMENT Switch CH LLL LLULLA 8 5 48V PHANTOM POWER Switch and Indicator mms 8 6 MAIN LEVEL 9 7 HIGH MID and LOW EQ U u U uuu u u u uuu REAR 1 1 128 1 6 1 11 6 99999929900208920 119011610 91979 80069 9 19160709399499771786 497755797767669997 7 6 10 8 POWER SWIUCh a uaasasaasasatanaywaaakapsawwaqasqwssqusiwascassausysuasssuqastasassusasqsssasasi 10 9 FUSE P QS 10 TU AC Power ergatteren 10 UE 10 TZ MICZLINESWItCh u uu aasassanasqutasausawsassaaqasawsqusuwunaqassanqanasqaanwkkusassqiusqussaaa2 10 IS MAININiu uu 2 tua eM eM MM 10
7. CD SRM450 Boom Extender Included S Electric Guitar THRU Out MicStand Adapter Included Power Cord Here the SRM150 is used as a personal monitor and the SRM450 is the main PA speaker 4 SRM150 SMALL CLUB SETUP WITH SRM450 6 Two SRM150s are used as floor monitors to provide a stereo monitor mix for the keyboard player TWO SRM150s STEREO MONITORING Stereo line level output Zug Keyboard or other line level instrument MAIN IN im MAIN IN Electric Guitar Audio TV Monitor Phares Mic Stand Adapter Included Power Cord DVD Player SRM150 A V KC EXE 3 OX CART FRONT PANEL DESCRIPTION Most of the connections and controls on the SRM150 are located on the front panel for easy access 1 MIC LINE Inputs Channels 1 and 2 have Neutrik combo connectors which accept balanced microphone inputs from an XLR connector or balanced and unbalanced line level inputs from a 1 4 TRS or TS connector The XLR inputs are wired as follows Pin 1 Shield or ground Pin 2 Positive or hot Pin 3 Negative or cold The 1 4 inputs are wired as follows and will accept both balanced and unbalanced inputs Sleeve Shield or ground Tip Posi
8. This is used to adjust the signal level from the SRM150 mixer going into the built in power amplifier Follow the Quick Start guide on page 4 for setting the MAIN LEVEL control 7 HIGH MID and LOW EQ Use the EQ controls to make overall adjustments to the sound of the SRM150 The HIGH EQ provides a boost or cut of up to 15 dB for the very high frequencies above 12 kHz These frequencies include the sizzle of cymbals the edge of a guitar or the upper harmonics of vocals In general boosting the HIGH EQ will brighten the sound of the loudspeaker The MID EQ provides a boost or cut of up to 15 dB for the mid range frequencies around 2 5 kHz Most vocals are located in the mid range frequencies so this can be used to bring the vocals up or down in the mix The LOW EQ provides a boost or cut of up 15 dB for the very lowest frequencies below 100 Hz These fre quencies are represented by the punch in bass drums bass guitar and some really serious male singers IC LINE MIN MIC LINE REAR PANEL DESCRIPTION 8 POWER Switch Switch up to turn the SRM150 on and switch down to turn it off Make sure the MAIN LEVEL 6 control is down before you turn it on When the POWER switch is turned on and the line cord is connected to an active AC Mains supply the cool blue LED on the front of the speaker glows to let you know that you re ready to rock and roll 9 FUSE This is a resettable circuit breaker that monit
9. packaging Mackie is not responsible for any damage that oc curs due to non factory packaging 5 Include a legible note stating your name shipping address no P O boxes daytime phone number Service Request Number and a detailed description of the problem including how we can duplicate it 6 Write the Service Request Number in BIG PRINT on top of the box Units sent without the Service Request Number will be refused 7 Tech Support will tell you where to ship the SRM150 for repair We suggest insurance for all forms of cartage You will need to contact the authorized service center for their latest turn around times when you call for your Service Request Number The SRM150 must be packaged in its original packing box and must have the Service Request Number on the box Once it s repaired the authorized service center will ship it back prepaid if it was a warranty repair Note Under the terms of the warranty you must ship or drop off the unit to an authorized service center The return ground shipment is covered for those units deemed by us to be under warranty Note You must have a sales receipt from an Autho rized Mackie Dealer to qualify for a warranty repair Need Help Visit www mackie com and click Support to find FAQs Frequently Asked Questions manuals addendums and user forums Email us at techmail mackie com Telephone 1 800 898 3211 to speak with one of our splendid technical support
10. representatives Monday through Friday from 7 AM to 5 PM PST 15 SRM150 SPECIFICATIONS System Specifications Transducer Frequency Response 3 dB Frequency Range 10 dB 100 Hz 17 5 kHz 60 Hz 22 kHz Max SPL Long term 1m 110 dB Max SPL Peak 1m Mixer Section 120 dB Frequency Response 3 dB Mic Input to Line Out Gain at 0 dB Input Impedance Mic Hi Z Instrument Line Stereo Maximum Voltage Gain Mic Input 1 Mic Input 2 Stereo Input Maximum Input Level Mic Line Stereo 3 Band Equalization High Mid Low Line Out Pad 5 Hz 40 kHz 0 1 dB 3 kohm balanced 20 kohm balanced 1 Mohm 10 kohm balanced 10 kohm balanced 51 dB 51 dB 9 dB 28 dBu gain at 50 dB 15 dBu gain at 6 dB 8 dBu gain at 30 dB 85 dBu gain at 15 dB 20 dBu gain at 0 dB 15 dB 12 kHz 15 dB 2 5 kHz 15 dB 100 Hz 30 dB Common Mode Rejection Ratio CMRR 55 dB 1 kHz gain at unity Noise 20 Hz to 20 kHz BW 150 ohm source impedance Equivalent Input Noise EIN 129 dBu Residual Output Noise Line out channel and master levels off Power Amplifier Rated Power Maximum Power Rated THD Cooling Design 16 85 dBu 100 watts rms continuous 20 Hz to 20 kHz 150 watts peak 0 05 Convection Extrusion Class D 5 25 in 134 mm Voice Coil Diameter 1 0 in 25 4 mm Sensitivity 1WG 1m 90 dB Nominal Impedance 8 ohms
11. 50 to be safely operated at its maximum level When turning your system on turn on the SRM150s last This will stop any turn on thumps and bangs from your source equipment being amplified When turning off your system turn off the SRM150s first This will prevent any turn off thumps and bangs from your source equipment being amplified When setting up for a show often you are plugging into an AC power distribution system you know nothing about You may even be faced with 2 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 z 2 gt Don t use an outlet if it is wired im properly This is to protect yourself as well as your equipment Never remove the ground pin on the power cord of the SRM150 or any other component This is very dangerous CARE AND MAINTENANCE Your Mackie active loudspeaker will provide many years of reliable service if you follow these guidelines Avoid exposing the loudspeaker to moisture If it is set up outdoors be sure it is under cover if you expect rain or you live in Washington A 2 E gt e Avoid exposure to extreme cold below freezing temperatures If you must operate the loudspe
12. 8 21 THERMAL CONSIDERATIONS msn n AC POWER CONSIDERATIONS cdd n CARE AND MAINTENANCE n CONNECTIONS ipai Rui di Ra ad URN sabia 1 SERVICE INFORMATION aassass ass shaqausshunassssaqasqakashussqhSaquqsiqqua 14 Warranty E 14 UE 14 Eegeregie 15 SRMISO SPECIFICATIONS Lacus u e 16 SRMI50 BLOCK DIAGRAM M 18 SRMIBO LIMITED WARRANTY 19 Part No 0019782 Rev A 12 06 2006 LOUD Technologies Inc All Rights Reserved Printed in China INTRODUCTION Thank you for choosing a Mackie compact active PA system for your sound reinforcement applications The SRM150 is an active PA system that provides a built in mixer high sound pressure levels and is de signed to give you the best performance of any compact PA system in its class and price range Our design goal was to build a compact PA system with 1 High precision high output and accurate playback 2 Controlled smooth dispersion of mid and high frequencies 3 Ultra clean high headroom mic preamps 4 High output Class D amplification 5 Onboard Mackie mixer with 3 band EQ Through the combined resources of our top notch me chanical and analog engineers we were able to achieve our design goals in every asp
13. ER Mount Mic Boom on this end Thread into the top of the SRM150 5 8 threaded boom extension 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 Here are some other placement tips e 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 e Avoid placing loudspeakers against a wall This too increases the low frequency output though not as much as corner placement However if you do need to reinforce the low frequencies this is a good way to do it e Avoid placing the active loudspeaker directly on a hol low stage floor 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 loudspeaker on a sturdy table or microphone stand THERMAL CONSIDERATIONS The amplifier inside the SRM150 is convection cooled by a large heatsink For efficient cooling it is important to allow at least six inches of free space behind the SRM150 2 gt If the ambient temperature in the room is high it could cause the amplifier to overheat In this case you should try aiming a fan at the heatsink to increase the air flow through the fins In the unlikely event that the amplifier does over heat a built in thermal switch w
14. aker in a cold environment warm up the voice coil slowly by sending a low level signal through it for about 15 minutes prior to high power operation e Use aslighty damp cloth with a mild soap solution to clean the cabinet Only do this when the power is turned off Avoid getting moisture into any of the openings of the cabinet particularly where the driver is located CONNECTIONS XLR Connectors Inputs 1 2 accept 3 pin male XLR connectors on the Neutrik combo inputs They are wired as follows according to standards specified by the AES Audio Engineering Society SHIELD 2 XLR Balanced Wiring Pin 1 Shield Pin 2 Hot Pin 3 Cold 1 4 TRS Phone Plugs and Jacks The Neutrik combo inputs also accept 1 4 TRS connec tors TRS stands for Tip Ring Sleeve the three connec tion points available on a stereo 1 4 or balanced phone jack or plug TRS jacks and plugs are used for balanced signals and stereo headphones Balanced Mono PIER SEERNE SLEEVE RING TIP RING A SLEEVE 1 4 TRS Balanced Mono Wiring Sleeve Shield Tip Hot Ring Cold Stereo Headphones PERLE SLEEVE RING TIP Ru 1 4 TRS Stereo Unbalanced Wiring Sleeve Shield Tip Left Ring Right 1 4 TS Phone Plugs and Jacks TS stands for Tip Sleeve the two connection points available on a mono 1 4 phone jack or plug They are used for unbalanc
15. d Africa 31 20 654 4000 Fax 425 487 4337 www mackie com E mail sales mackie com
16. d to the AC using condenser microphones power receptacle 10 on the back of the SRM150 e INSTRUMENT 4 switch out unless you have an Plug the other end into an AC outlet properly con electric guitar connected to channel 1 figured n H r e voltage for died par Se e Channels 1 3 gain 3 controls down model The SRM150 ias a universal power supply that accepts an AC mains voltage ranging from 100V EQ 7 controls centered to 240 V And on the rear panel Turn the POWER 8 switch off down 4 e on ge rss Make E ms MIC LINE 12 switch out control if it has one is turned all the way WARNING Turn the MAIN LEVEL 5 Turn on the SRM150 POWER 8 switch 6 control down counterclockwise 6 Start the signal source whether it be speaking into befor e every use H not you could be a microphone playing a guitar or starting a CD in for a startling surprise especially player Adjust any volume controls on the signal gt if the last time you used it was with source for normal operation a microphone and now you want to connect a line level source 7T Turn up the MAIN LEVEL 6 control about halfway 12 o clock 2 Connect the output from your signal source mixing console microphone preamp or other mic or line 8 Slowly turn up the gain 3 controls for the input level source directly to the MIC LINE 1 combo channels until the desired volume is reached connector on the ont SRM150
17. e or sales receipt Final determination of warranty coverage lies solely with LOUD Technologies F Any products returned to one of the LOUD Technologies factory authorized service centers and deemed eligible for repair or replacement under the terms of this warranty will be repaired or replaced within thirty days of receipt LOUD Technologies and its authorized service centers may use refurbished parts for repair or replacement of any product Products returned to LOUD Technologies that do not meet the terms of this Warranty will be not be repaired unless payment is received for labor materials return freight and insurance Products repaired under warranty will be returned freight prepaid by LOUD Technologies to any location within the boundaries of the USA G LOUD Technologies warrants all repairs performed for 90 days or for the remainder of the warranty period This warranty does not extend to damage resulting from improper installation misuse neglect or abuse or to exterior appearance This warranty is recognized only if the inspection seals and serial number on the unit have not been defaced or removed H LOUD Technologies assumes no responsibility for the quality or timeliness of repairs performed by an authorized service center I This warranty is extended to the original purchaser and to anyone who may subsequently purchase this product within the applicable warranty period A copy of the original sales receipt is requir
18. ect The result is a sound re inforcement PA system equally at home in a concert setting in the studio or impromptu concerts on the studio roof The Transducer The SRM150 active loudspeaker features a full range 5 25 inch neodymium driver Power Amplifier Each SRM150 includes a Class D power amplifier capable of producing 150 watts peak before clipping The amplifier includes the following features e The amplifier produces up to 100 watts rms continuous before clipping 150 watts peak e A built in limiter acts when the input signal is large enough to cause clipping distortion and excessive voice coil heat The limiter will automatically decrease the signal going to the amplifier to a safe level Warning Although the amplifier has a limiter protection circuit you must still make sure you don t overdrive the amplifier If you hear any distor tion turn down the input MIC LINE gain control or turn down the MAIN LEVEL control E gt The Cabinet The SRM150 cabinet was designed with the same material as our SRM350 and SRM450 loudspeakers the strongest molded composite cabinet on the planet It has an insert in the bottom for mic stand mounting us ing the mic stand adapter included with your SRM150 and a threaded insert in the top for mounting a micro phone boom using the included boom extender Its light weight and durable finish make it ideal for portable sound system use In addition
19. ed line level signals and the high impedance instrument input on Channel 1 SLEEVE GENE me WH TIP 1 4 TS Unbalanced Wiring Sleeve Shield Tip Hot SLEEVE TIP RCA Plugs and Jacks RCA type plugs also known as phono plugs and jacks are often used in home stereo and video equipment and to make S PDIF connections on consumer digital audio devices They are unbalanced and electrically equiva lent to a 1 4 TS phone plug SLEEVE TIP SLEEVE TIP RCA Unbalanced Wiring Sleeve Shield Tip Hot 13 SERVICE INFORMATION Warranty Service Details concerning Warranty Service are spelled out on page 19 of this manual 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 www mackie com support where you will find lots of useful information such as FAQs documenta tion and user forums You may find the answer to the problem without having to send your loudspeaker away Troubleshooting No power 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 9 5 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 resettable circuit breaker has p
20. ed to obtain warranty repairs J This is your sole warranty LOUD Technologies does not authorize any third party including any dealer or sales representative to assume any liability on behalf of LOUD Technologies or to make any warranty for LOUD Technologies Inc K THE WARRANTY GIVEN ON THIS PAGE IS THE SOLE WARRANTY GIVEN BY LOUD TECHNOLOGIES INC AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS AND IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE WARRANTY GIVEN ON THIS PAGE SHALL BE STRICTLY LIMITED IN DURATION TO FIVE YEARS FROM THE DATE OF ORIGINAL PURCHASE FROM AN AUTHORIZED MACKIE DEALER UPON EXPIRATION OF THE APPLICABLE WARRANTY PERIOD LOUD TECHNOLOGIES INC SHALL HAVE NO FURTHER WARRANTY OBLIGATION OF ANY KIND LOUD TECHNOLOGIES INC SHALL NOT BE LIABLE FOR ANY INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES THAT MAY RESULT FROM ANY DEFECT IN THE MACKIE PRODUCT OR ANY WARRANTY CLAIM Some states do not allow exclusion or limitation of incidental special or consequential damages or a limitation on how long warranties last so some of the above limitations and exclusions may not apply to you This warranty provides specific legal rights and you may have other rights which vary from state to state 19 MACKIE e 16220 Wood Red Road NE Woodinville WA 98072 USA United States and Canada 800 898 3211 Europe Asia Central and South America 425 487 4333 Middle East an
21. her SRM150 or other active loudspeaker like an SRM350 or SRM450 or to a mixer D MIC LINE Switch The MIC LINE switch affects the output level of the THRU connector Leave the switch out LINE when connecting the THRU connector to another SRM150 or to a line level input on a mixer Push the switch in MIC when connecting the THRU connector to a mi crophone input on a mixer or a stage snake 13 MAIN IN This is a Neutrik combo connector that accepts a balanced line level signal from an XLR connector or a 1 4 TRS connector The signal is mixed with the signals from channels 1 3 on the main mix bus just prior to the THRU 11 output EQ 7 controls and the MAIN LEVEL 6 control 10 PLACEMENT The SRM150 compact active PA systems are designed to sit on the floor a tabletop or to fit on a standard microphone stand You can place the SRM150 on the floor and angle it back to use it as a floor monitor The unique shape of the cabinet provides a perfect angle for aiming up toward performers from the front of the stage You can also use the Mic Stand Adapter included which allows you to mount the SRM150 onto a standard microphone stand MIC STAND ADAPTER Insert into the bottom of the SRM150 In addition there is a threaded insert on top of the cabinet for mounting the boom extender included This allows you to attach a microphone boom on top of the SRM150 for your microphone BOOM EXTEND
22. ill activate placing the SRM150 amplifier into standby When the amplifier has cooled down to a safe operating temperature the thermal switch will reset and the SRM150 will resume normal operation 11 AC POWER CONSIDERATIONS Be sure the SRM150 is plugged into an outlet that is able to supply enough current for the amplifier Under maximum SPL conditions where musical peaks are just hitting the limiter the SRM150 model draws 2 amps on average Under normal conditions the current draw is below 1 amp We recommend that a stiff robust supply of AC power be used because the amplifier places high cur rent demands on the AC line The more power that is available on the line the louder the speaker will play and the more peak output power will be available for cleaner punchier bass suspected problem of poor bass performance is often caused by a weak AC supply to the amplifier If lighting is used in a show it is preferable to power the lights from a separate AC circuit than the one powering the audio equipment This will help minimize noise from the lights coupling into the audio particu larly if SCRs or light dimmer switches are used Wherever possible connect all of your audio equip ment to the same electrical circuit This will help reduce the possibility of a ground loop problem causing an annoying hum in your speakers maximum of five SRM150s can be connected per 15A service 120 VAC This allows each SRM1
23. nd Normally you must use a direct box between a guitar and a mixer s or preamplifier s input which serves to convert the impedance of the guitar from high to low The Instrument input on channel 1 makes the need for a direct box unnecessary It s like it has its own built in direct box However The Instrument input 8 unbalanced so if you are running a long cord between the instrument and the SRM150 say over 20 feet it is best to use a direct box with a balanced output to avoid picking up noise over the length of the cord F4 gt 5 48V PHANTOM POWER Switch and Indicator Most professional condenser microphones require phan tom power which is a low current DC voltage delivered to the microphone on pins 2 and 8 of the XLR micro phone connector Push in the 48V button if your micro phone requires phantom power An LED lights next to the button to indicate that phantom power is active CO MIN MAX MIN MAX MIC LINE MIC LINE This is a global phantom power switch and applies 48V lo the XLR input comnectors on channels 1 and 2 Dynamic microphones like Shure s SM57 and SM58 do not require phantom power However phantom power will not harm most dynamic microphones should you accidentally plug one in while the phantom power is turned on Be careful with older ribbon microphones Check the manual for your microphone to find out for sure whether or not phantom power can damage it 6 MAIN LEVEL
24. nnecting the cables connected to the input jacks one at a time If the noise disappears it could be a ground loop rather than a problem with the SRM150 Try some of the following troubleshooting ideas e Use balanced connections throughout your system for the best noise rejection e Whenever possible plug all the audio equipment s line cords into outlets which share a common ground 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 SRM150 or any other component This is very dangerous Repair Service for Mackie products is available at a factory authorized service center Service for Mackie products living outside the United States can be obtained through local dealers or distributors If your SRM150 needs service follow these instructions 1 Review the preceding troubleshooting suggestions Please 2 Call Tech Support at 1 800 898 3211 7 am to 5 pm PST to explain the problem and obtain a Service Request Number Have your SRM150 s serial num ber ready You must have a Service Request Number before you can obtain factory authorized service 3 Keep this owner s manual and the detachable line cord We don t need them to repair the SRM150 4 Pack the SRM150 in its original package including endcaps and box This is VERY IMPORTANT When you call for the Service Request Number please let Tech Support know if you need new
25. omponent should be used only with a cart or stand that is recommended by the manufacturer A Component and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the Component and cart combination to overturn 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 INTERIEURES PAR L USAGER CONFIER L ENTRETIEN AU PERSONNEL 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 opera
26. opped Refer to FUSE 9 on page 10 for information on the circuit breaker No sound e Is the input gain control 8 or the MAIN LEVEL 6 control turned all the way down Follow the procedures in the Quick Start section on page 4 to verify that all the volume controls in the system are properly adjusted e Is 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 whatever is connected to the SRM150 is turned up sufficiently to drive the inputs of the speaker 14 Bad sound e 15 1090 and distorted Follow the procedures de scribed in the Quick Start section to verify that the levels are set properly e Is 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 9 Make sure all connections to the active speakers are good 9 Make sure none of the signal cables are routed near AC cables power transformers or other EMI inducing devices e Is there a light dimmer or other SCH based device on the same AC circuit as the SRM150 Use an AC line filter or plug the SRM150 into a different AC circuit Hum e Turn the MAIN LEVEL control all the way down If the noise disappears it s coming from the signal source If not try disco
27. ors the amount of current being drawn by the SRM150 Under normal operating conditions this should never pop An unusual condition may cause the breaker to pop such as a mains voltage surge occurring at the same time as a peak amplifier output To reset the breaker e Turn the POWER 8 switch off and push the FUSE switch to its UP position e Turn the POWER switch back on and the SRM150 should resume normal operation If the circuit breaker pops again there may be something wrong inside the SRM150 Refer to Repair on page 15 10 AC Power Receptacle This is a standard 3 prong IEC connector Connect the detachable linecord included with your SRM150 to the power receptacle and plug the other end of the linecord into an AC outlet The SRM150 has a universal power supply that can accept any AC voltage ranging from 100VAC to 240 VAC No need for voltage select switches It will work virtually anywhere in the world A 6 Quis CE CH 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 11 THRU Connector This is a male XLR connector that produces the main signal just prior to the EQ 7 controls and the MAIN LEVEL 6 control The signal at the THRU connector includes the input signals connected to channels 1 3 1 2 and the MAIN IN 13 signal Use this connector to patch the signal from the SRM150 to anot
28. ting 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 13 Unplug this apparatus during lightning storms or when unused 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 supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 This apparatus shall not be exposed to dripping or splashing and no object filled with liquids such as vases shall be placed on the apparatus 16 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 17 This apparatus has been equipped with an all pole rocker style AC mains power switch This switch is located on the rear panel and should remain readily accessible to the user 18 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 reg
29. tive or hot Ring Negative or cold 2 Stereo Input Channel 8 has a pair of RCA connectors which accept a stereo line level input from a CD player or MP8 player or any other line level device 3 Channel Gain Controls These are used to adjust the signal level for each individual channel Since the SRM150 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 control to adjust the level correctly Follow the Quick Start guide on page 4 for setting the gain controls For most applications it will be in the 12 o clock position If you have a particularly high line level signal connected to the SRM150 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 con nected you may need to turn the gain control up to the 3 o clock position 4 INSTRUMENT Switch CH 1 Push in this button to change the 1 4 line input on channel 1 to an instrument input When the but ton is out the 1 4 input accepts normal line level signals from low impedance sources When the button is pushed in the 1 4 input accepts high impedance signals from instruments with electric pickups which you would normally run through a DI box 8 Plugging a guitar straight into a typical line level input can result in the loss of gain especially at high frequencies resulting in a dull sou
30. ty you must have a copy of your sales receipt from the authorized Mackie dealer Where you purchased the product It is necessary to establish purchase date and determine whether your Mackie product is within the warranty period D To obtain factory authorized service 1 Call Mackie Technical Support at 800 898 3211 7 AM to 5 PM Monday through Friday Pacific Time to get a Service Request Number Products returned without a Service Request Number will be refused 2 Pack the product in its original shipping carton Also include a note explaining exactly how to duplicate the problem a copy of the sales receipt with price and date showing and your return street address no P O boxes or route numbers please If we cannot duplicate the problem or establish the starting date of your Limited Warranty we may at our option charge for service time 3 Ship the product in its original shipping carton freight prepaid to the authorized service center The address of your closest authorized service center will be given to you by Technical Support IMPORTANT Make sure that the Service Request Number is plainly written on the shipping carton E LOUD Technologies reserves the right to inspect any products that may be the subject of any warranty claims before repair or replacement is carried out LOUD Technologies may at our option require proof of the original date of purchase in the form of a dated copy of the original dealer s invoic
31. ulations of the Canadian Department of Communications ATTENTION Le pr sent appareil num rique n met pas de bruits radio lectriques d passant las limites applicables aux appareils num riques de dass A de class B selon le cas prescrites dans le r glement sur le brouillage radio lectrique dict par les ministere des communications du Canada 19 Exposure to extremely 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 Sound Level dBA Slow Response Duration Per Day In Hours Typical Example Duo in small club Very loud classical music 8 6
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