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SRM350 v 2 Active
Sound Reinfo Rce Ment
SPe AKeR u Se R’S MAnu Al
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IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 2. Keep these instructions. 14. Refer all servicing to qualified service personnel. Servicing is required 3. Heed all warnings. when the apparatus has been damaged in any way, such as power- supply cord or plug is damaged, liquid has been spilled or objects 4. Follow all instruction
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Contents IMPORTANT SAFETY INSTRUCTIONS .......................................2 CONNECTIONS ......................................................................10 INTRODUCTION .......................................................................4 PLACEMENT ...........................................................................10 The Transducers ...............................................................4 Room Acoustics .............................................................10 P
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INTRODUCTION Thank you for choosing LOUD Technologies’ Mackie ac- • The low-frequency amplifier also has a Dynamic Bass tive sound reinforcement speakers. Boost circuit. Our ears are more sensitive to bass fre- The SRM350 v2 is a redesigned version of our popular quencies at high volume levels than at softer volumes. SRM350 active loudspeaker. With its newly designed Class-D This unique circuit automatically reduces the low Fast-Recovery amplifiers, high-output compression driver frequencies
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The Active Advantage • The acoustic sum of the outputs from the two drivers There are a number of advantages to using an active is optimized electronically, as well as physically, so the speaker system over a passive loudspeaker: amplitude response is flat and there is no lobing error. • The internal crossover is active, and its low power cir- • The presence of active circuits within the speaker cuitry operates on line-level signals. It does not waste cabinet allow the designer to add on
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PARALLEL PARALLEL N N I I A A G G HOOKUP DIAGRAMS Quick Start . Connect the supplied AC power cord to the IEC socket 1. Start with the following settings on the back of the on the back of the SRM 50 v . Plug the other end into SRM 50 v : an AC outlet properly configured with the correct volt- Turn the POWER switch off (down). age for your particular model. Set the CONTOUR and MIC/LINE switches out. If using 4. Turn on your signal source. Make sure its Master Vol- a microphone as the
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PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL N N N N N N I I I I I I A A A A A A G G G G G G THIS DEVICE COMPLIES WITH PART 15 SIGNAL LIMIT THIS DEVICE COMPLIES WITH PART 15 SIGNAL LIMIT THIS DEVICE COMPLIES WITH PART 15 SIGNAL LIMIT THIS DEVICE COMPLIES WITH PART 15 SIGNAL LIMIT OF THE FCC RULES FOR THE U.S. AND OF THE FCC RULES FOR THE U.S. AND OF THE FCC RULES FOR THE U.S. AND OF THE FCC RULES FOR THE U.S. AND ICES-003, FOR CANADA. OPERATION NORMAL ICES-003, FOR CANADA. OPERATIO
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PARALLEL N I A G REAR PANEL DESCRIPTION The SRM 50 v has several connectors, controls, and 3. POWER Indicator indicators that you should understand. When the POWER switch is turned on, and the linecord 1. IEC Socket is connected to an active AC Mains supply, this indicator, lo- cated just above the POWER switch, glows to let you know This is where you connect the supplied AC linecord to that you’re ready to rock and roll. The cool blue LED on the provide AC power to the SRM 50 v ’s buil
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PARALLEL PARALLEL N N I I A A G G 6. MIC/LINE Switch Leave this switch out when connecting a line-level signal It’s okay for the LIMIT indicator to blink occasionally, to the INPUT connector (from a mixer, graphic EQ, or other but if it blinks frequently or continuously, either turn down line-level signal source). the signal level at the mixer or other signal source, or turn Push this switch in when connecting a microphone down the SRM 50 v ’s LEVEL control. to the INPUT connector. Since
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CONNECTIONS PLACEMENT The SRM 50 v has a combination female XLR and 1/4" The SRM 50 v active speakers are designed to sit on TRS input that accepts a balanced or unbalanced mic- or the floor, a tabletop, or to fit on a standard tripod speaker line-level signal. When connecting a balanced signal, be stand. They can also be suspended by the rigging points, sure it’s wired per AES (Audio Engineering Society) stan- which requires installing the optional hanging bracket on dards: the top and
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Here are some useful placement tips: RIGGING • Avoid placing loudspeakers in the corners of a room. This increases the low-frequency output and can cause The SRM 50 v cabinets are fitted with four M5 insert the sound to be muddy and indistinct. points on the top and bottom for installing an optional hanging bracket that allows the speaker to be flown. • Avoid placing loudspeakers against a wall. This, too, SRM350 Bracket Kit: Part No. 0016404 increases the low-frequency output, though no
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THERMAL AC POWER CONSIDERATIONS CONSIDERATIONS The amplifiers inside the SRM 50 v are Be sure the SRM 50 v is plugged into an outlet that is convection cooled by a large heatsink. able to supply the correct voltage specified for your model. For efficient cooling, it is important to If the voltage should drop below 97% of the specified line allow at least six inches of free space voltage, the built-in amplifiers will no longer be able to behind the SRM 50 v . supply rated power. (The
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PARALLEL PARALLEL N N I I A A G G When setting up for a show, often For the US 1 0 V model: you are plugging into an AC power A maximum of five SRM 50 v s can be connected per distribution system you know nothing 15A service. about. You may even be faced with - This allows each SRM 50 v to be safely operated at wire outlets that are missing the third its maximum level. safety ground pin. It’s a good idea to have a three-wire AC outlet tester in your toolbox so you When turning you
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SERVICE INFORMATION One side is way louder than the other! If you think your loudspeaker has a problem, please check out the following troubleshooting tips and do your • Are the LEVEL controls set the same on both active best to confirm the problem. Visit the Support section of speakers? our website (www.mackie.com/support) where you will find • Check the PAN control or balance on the signal source. lots of useful information such as FAQs, documentation, It may be turned too far to one si
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Noise • Make sure all connections to the active speakers are • Disconnect any cables which come in from outside, good. such as cable TV, satellite TV or roof top antennas. They must be disconnected from every part of your system, • Make sure none of the signal cables are routed near such as the TV, VCR and preamp. If the hum goes away, AC cables, power transformers, or other EMI-inducing you can add a “ground loop isolator” in your cable line. devices. This is an inexpensive device availa
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Repair CARE AND MAINTENANCE For warranty repair or replacement, refer to the war- Your Mackie active speakers will provide many years of ranty information on page 19. reliable service if you follow these guidelines: Non-warranty repair for Mackie products is available at a factory-authorized service center. To locate your near- Avoid exposing the active speakers to est service center, visit www.mackie.com, click “Support” moisture. If they are set up outdoors, and select “Locate a Service C
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SRM350 v2 SPECIFICATIONS System Specifications Enclosure Construction Features Frequency Response (–3 dB) Basic Design Asymmetrical Trapezoidal 83 Hz - 18.5 kHz Material Polypropylene Frequency Range (–10 dB) Finish Midnight blue textured finish 61 Hz - 22 kHz Handles One on side, one on top Max SPL Long-Term @ 1m 118 dB Grille Perforated metal with Max SPL Peak @ 1m 121 dB weather-resistan
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SRM350 v2 BLOCK DIAGRAM 18 LIMIT LIGHT ACTIVE PROTECTION MANAGEMENT SYSTEM PEAK DETECTION SIGNAL MIC/LINE INPUT LIGHT XLR/TRS COMBO 2 CONTOUR XLR 3 LIMITER HI-PASS HI-FREQUENCY 1 DRIVER MIC/LINE SWITCH HI-FREQ A = HI-FREQ TWEET +40 dB AMP TRS LEVEL THERMAL SENSOR 2 THRU LO-FREQUENCY 3 DRIVER DYNAMIC BASS BOOST LO-PASS 1 LO-FREQ LO-FREQ WOOF AMP POWER SWITCH FUSE + + + LO VDC MID VDC HI VDC – – – TOROIDAL POWER POWER TRANSFORMER LIGHT + MACKIE DESIGNS 15 VDC – SRM350 v2 BLOCK DIAGRAM 10.03.07
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SRM350 v2 LIMITED WARRANTY Please keep your sales receipt in a safe place. E. LOUD Technologies reserves the right to inspect any A. LOUD Technologies Inc. warrants all materials, workman- products that may be the subject of any warranty claims ship and proper operation of this product for a period of three before repair or replacement is carried out. LOUD Technolo- years from the original date of purchase. You may purchase gies may, at our option, require proof of the original date of an a
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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 and Africa: 31.20.654.4000 Fax: 425.487.4337 • www.mackie.com E-mail: sales@mackie.com
