Mackie SRM450 Owner's Manual
Mackie SRM450 Manual
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Mackie SRM450 manual content summary:
- Mackie SRM450 | Owner's Manual - Page 1
SRM450 ACTIVE SOUND REINFORCEMENT SPEAKER USER'S MANUAL - Mackie SRM450 | Owner's Manual - Page 2
as radiators, or other devices which produce heat. 9. Power Sources - This Mackie product should be connected to a power supply only of the type described in these operation instructions or as marked on this Mackie product. 10. Power Cord Protection - Power supply cords should be routed so that they - Mackie SRM450 | Owner's Manual - Page 3
use this amplification system in Service 14 Troubleshooting 14 Repair 16 CARE AND MAINTENANCE 16 SRM450 SPECIFICATIONS 17 SRM450 BLOCK DIAGRAM 18 SRM450 LIMITED WARRANTY 19 Don't forget to visit our website at www.mackie.com for more information about this and other Mackie products. Part - Mackie SRM450 | Owner's Manual - Page 4
, or in a home theater. The Transducers The SRM450 active speakers feature a 12-inch high-power low-frequency woofer and a 1.75-inch titanium diaphragm highoutput precision compression driver. This high-frequency driver is mounted on an acoustically non-resonant exponential waveguide, providing - Mackie SRM450 | Owner's Manual - Page 5
design of the cabinet makes it easy to use as a floor wedge for stage monitor applications. 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 circuitry operates on linelevel signals. It does not - Mackie SRM450 | Owner's Manual - Page 6
from dynamic microphones. 3. Connect the supplied AC power cord to the IEC socket on the back of the SRM450. Plug the other end into signal source. Make sure its Master Volume control (if it has one) is turned all the way down. 5. Turn on the SRM450 POWER switch. 6. Start the signal source, whether - Mackie SRM450 | Owner's Manual - Page 7
be used with a Mackie SWA1501 (or SWA1801) subwoofer to create an in- credibly powerful system. The active crossover inside the SWA1501 splits the full-range input signal into two ranges. The SWA1501 plays the low-frequency range through its 500 watt ampli- fier and 15-inch woofer, Line - Mackie SRM450 | Owner's Manual - Page 8
, and the linecord is connected to an active AC Mains supply, this indicator, located 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. If the SRM450 keeps shutting down, make sure there is - Mackie SRM450 | Owner's Manual - Page 9
switch when using the SRM450 as a stage monitor. This allows the bass amplifier to utilize its power for those frequencies useful in stage monitor applications. LEVEL This is used unbalanced mic- or line-level signal. Use it to daisy-chain several active speakers together off the same signal source. - Mackie SRM450 | Owner's Manual - Page 10
speakers (see diagram on page 6). The SRM450 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, shown opposite. You can lay the cabinet down on its side and use the SRM450 as a floor monitor - Mackie SRM450 | Owner's Manual - Page 11
. M10 threaded eyebolts (M10 x 1.5 mm x 20 mm) are available to fit these inserts (PA-A1 Eyebolts). WARNING: Never attempt to suspend the SRM450 active speakers by their handles. If you want to suspend them, use the rigging points only. Consult a professional rigger or structural engineer prior to - Mackie SRM450 | Owner's Manual - Page 12
that you engage the rear panel LOW CUT switch. This will allow more power for useful monitor frequencies, while reducing the possibility of overheating. If the ambient temperature in the room is high, it could cause the amplifiers to overheat. In this case, you should try aiming a fan at the - Mackie SRM450 | Owner's Manual - Page 13
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, effects processors and CD players should be connected to the same outlet as the SRM450s. Use fused power strips as shown in the diagram below. Make - Mackie SRM450 | Owner's Manual - Page 14
turn off the SRM450 before correcting it or changing any connections. Of all Mackie products returned for service (which is hardly any at all), many are coded "CND" - Could Not Duplicate- which usually means the problem lay somewhere else in the system. The following troubleshooting tips may sound - Mackie SRM450 | Owner's Manual - Page 15
INPUT jack. If the noise disappears, it could be a "ground loop," rather than a problem with the SRM450. Try some of the following troubleshooting ideas: • Use balanced connections throughout your system for the best noise rejection. • Whenever possible, plug all the audio equipment's linecords into - Mackie SRM450 | Owner's Manual - Page 16
be obtained through local dealers or distributors. If your SRM450 needs service, please follow these instructions: 1. Review the preceding troubleshooting suggestions. Please. 2. Call Tech Support at 1-800-258-6883, 7 AM to 5 PM PST, to explain the problem in detail. They will ask you all sorts of - Mackie SRM450 | Owner's Manual - Page 17
SRM450 SPECIFICATIONS System Specifications Frequency Response (-3 dB) 55 Hz - 18 kHz Frequency Range (-10 dB Interface ± 15 VDC, normalized signal I/O Operating Temperature Range -10ºC to 45ºC (14ºF to 113ºF) Power Amplifiers Low-Frequency Power Amplifier Rated Power 300 watts* Rated THD - Mackie SRM450 | Owner's Manual - Page 18
Hz DELAY LO-PASS COMPRESSOR SWEEPING FILTER 176uS + MID VDC - + HI VDC - THRESHOLD LPF THRESHOLD TOROIDAL POWER TRANSFORMER + LO VDC - MUTE PEAK DETECTION PEAK LIGHT LO-FREQ AMP LO-FREQUENCY DRIVER WOOF BASS CONTROL SERVO LOOP SENSE RESISTOR MACKIE SRM450 BLOCK DIAGRAM (#060322SEDF) - Mackie SRM450 | Owner's Manual - Page 19
Service Centers. G. Mackie loudspeakers returned to LOUD Technologies and deemed eligible for repair or replacement under the terms of this warranty will be repaired or replaced within thirty days of receipt by LOUD Technologies. LOUD Technologies may use refurbished parts for repair or replacement - Mackie SRM450 | Owner's Manual - Page 20
LOUD Technologies Inc. 16220 Wood-Red Road NE • Woodinville, WA 98072 • USA US 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: [email protected]
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SRM450 ACTIVE
SOUND REINFORCEMENT
SPEAKER USER’S MANUAL