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SRM350 2-WAY
ACTIVE LOUDSPEAKER
USER’S MANUAL
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13. Unplug this apparatus during lightning storms or when unused for IMPORTANT SAFETY INSTRUCTIONS long periods of time. 1. Read these instructions. 14. Refer all servicing to qualified service personnel. Servicing is 2. Keep these instructions. required when the apparatus has been damaged in any way, such as 3. Heed all warnings. 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 4. Follow all instruct
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Lend Me Your Ears Exposure to extremely According to OSHA, any exposure in high noise levels may excess of these permissible limits could cause permanent hear- result in some hearing loss. To ensure ing loss. Individuals vary against potentially dangerous exposure to considerably in susceptibility to noise-in- high sound-pressure levels, it is recommend- duced hearing loss, but nearly everyone will ed that all persons exposed to equipment lose some hearing if exposed to sufficiently capable of p
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INTRODUCTION Thank you for choosing LOUD Technologies’ Power Amplifiers Mackie active sound reinforcement speakers. To power these beautiful things, each The SRM350 is an active two-way loud- SRM350 includes two power amplifiers. speaker capable of extremely high sound They include the following features: pressure levels, and designed to give you the • The low-frequency amplifier produces best performance of any loudspeaker in its 165 continuous watts before clipping. class and price range. • Th
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The Crossover The Active Advantage There are a number of advantages to us- The built-in electronic crossover is a 24 dB/octave Linkwitz-Riley design. Although ing an active speaker system over a passive more expensive than other crossover designs, loudspeaker: the benefits provided by the Linkwitz-Riley • The internal crossover is active, and its design have been well documented. These low power circuitry operates on line- level signals. It does not waste benefits include: • Absolutely flat freq
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PARALLEL PARALLEL N N I I A A G G HOOKUP DIAGRAMS Quick Start out, and accepts direct connections from 1. Start with the following settings on the dynamic microphones with the MIC/ back of the SRM350: LINE switch pushed in. Turn the POWER switch off (down). 3. Connect the supplied AC power cord to Set the CONTOUR and MIC/LINE the IEC socket on the back of the switches out. If using a microphone as SRM350. Plug the other end into an AC the input to the SRM350, push the MIC/ outlet properly config
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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 Next SRM350 ACTIVE SOUND REINFORCEMENT SYSTEM SRM350 ACTIVE SOUND REINFORCEMENT SYSTEM SRM350 ACTIVE SOUND REINFORCEMENT SYSTEM SRM350 ACTIVE SOUND REINFORCEMENT SYSTEM POWER SIGNAL LIMIT POWER SIGNAL LIMIT POWER SIGNAL LIMIT POWER SIGNAL LIMIT THRU THRU THRU THRU NORMAL NORMAL NORMAL NORMAL ON ON ON ON Next +45 +45 +45 +45 +5dB +5dB +5dB +5dB LEVEL LEVEL LEVEL LEVEL INPUT INPUT INPUT INPUT LINE
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PARALLEL N I A G REAR PANEL DESCRIPTION The SRM350 has several connectors, CONTOUR controls, and indicators that you should Pushing in this switch engages a filter understand. that provides 3 dB of boost to the low and high frequencies (below 100 Hz and above IEC Socket 12 kHz). This provides a punchy, crisp This is where you connect the supplied sound for most live music applications. You AC linecord to provide AC power to the can experiment with this switch by leaving SRM350’s built-in power a
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PARALLEL N I A G Follow the Quick Start guide on page 6 INPUT Connector for setting the LEVEL control. For most ap- This is a combination female XLR-type plications, it will be in the NORMAL and 1/4˝ TRS connector that accepts a bal- position (12 o’clock) . If you have a particu- anced or unbalanced mic- or line-level signal. larly high line-level signal connected to the SRM350, you may need to turn the control THRU Connector down to the 9 o’clock position. If you have This is a male XLR-type co
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CONNECTIONS PLACEMENT The SRM350 active speakers are designed The SRM350 has a combination female to sit on the floor, a tabletop, or to fit on a XLR and 1/4˝ TRS input that accepts a standard tripod speaker stand. They can also balanced or unbalanced mic- or line-level be suspended by the rigging points, which signal. When connecting a balanced signal, be sure it’s wired per AES (Audio Engi- requires installing the optional hanging bracket on the top and/or bottom of the neering Society) stand
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Here are some useful placement tips: RIGGING • Avoid placing loudspeakers in the The SRM350 cabinets are fitted with corners of a room. This increases the low-frequency output and can cause the four M5 insert points on the top and bot- sound to be muddy and indistinct. tom for installing an optional hanging bracket that allows the speaker to be flown. • Avoid placing loudspeakers against a wall. SRM350 Bracket Kit: Part No. 0016404 This, too, increases the low-frequency output, though not as muc
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THERMAL AC POWER CONSIDERATIONS CONSIDERATIONS The amplifiers inside the Be sure the SRM350 is plugged into an SRM350 are convection outlet that is able to supply the correct volt- cooled by a large age specified for your model. If the voltage heatsink. For efficient should drop below 97% of the specified line cooling, it is important to voltage, the built-in amplifiers will no allow at least six inches of free space behind longer be able to supply rated power. (They the SRM350. will continue to
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PARALLEL PARALLEL N N I I A A G G Wherever possible, connect all of your When setting up for a equipment to the same electrical circuit. show, often you are plug- This will help reduce the possibility of a ging into an AC power ground loop problem causing an annoying distribution system you hum in your speakers. know nothing about. You Low power components such as tape may even be faced with decks, mixers, effects processors and CD 2-wire outlets that are missing the third players should be conn
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SERVICE INFORMATION No sound! Warranty Service Details concerning Warranty Service are • Is the input LEVEL control turned all spelled out on page 19 of this manual. the way down? Follow the procedures If you think your loudspeaker has a in the “Quick Start” section on page 6 to verify that all the volume controls in problem, please do everything you can to confirm it before calling for service, includ- the system are properly adjusted. ing reading through the following • Is the signal source wo
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Bad sound! • Is it loud and distorted? Follow the Use an interconnect cable wired as procedures described in the “Quick shown below. The important point is Start” section to verify that the levels that the shield and the wire from the are set properly. XLR pin 3 are joined at the RCA (source) end. • Is the input connector plugged com- pletely into the jack? Be sure all RCA XLR connections are secure. It’s a good idea 3-Conductor Cable 2 1 to periodically clean all electrical 3 connections with a
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Repair Service for Mackie products is available 8. We’ll try to fix the loudspeaker within at a factory-authorized service center. Ser- five business days. Once it is repaired, vice for Mackie products living outside the we’ll ship it back the same way in which United States can be obtained through local it was received. This paragraph does not dealers or distributors. necessarily apply to non-warranty If your SRM350 needs service, please fol- service. low these instructions: Note: Under the ter
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SRM350 SPECIFICATIONS Horn Design Horizontal Coverage System Specifications 90º (1 kHz - 20 kHz) Frequency Response (–3 dB) Vertical Coverage 83 Hz - 18.5 kHz 80º (1 kHz - 20 kHz) Frequency Range (–10 dB) Mouth Size 61 Hz - 22 kHz 11.1 in x 6.1 in (283 mm x 154 mm) Max SPL Long-Term @ 1m 118 dB Enclosure Construction Features Max SPL Peak @ 1m 121 dB Basic Design Asymmetrical Trapezoidal Crossover Linkwitz-Riley Material Polypropylene 24 dB/octave @ 2400 Hz Finish Grey textured finish Handles On
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SRM350 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 + + + HI VDC LO VDC MID VDC – – – TOROIDAL POWER POWER TRANSFORMER LIGHT + 15 VDC MACKIE DESIGNS – SRM350 BLOCK DIAGRAM 08.20.03
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SRM350 LIMITED WARRANTY Please keep your sales receipt in a safe place. A. LOUD Technologies Inc. warrants all materials, F. Any products returned to one of the LOUD workmanship and proper operation of this product Technologies factory-authorized service centers and for a period of five years from the original date of deemed eligible for repair or replacement under the purchase, with the exception of the transducers, terms of this warranty will be repaired or replaced including woofers and compr
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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
