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Table of Contents
Related Manuals for Mackie SRM1801
Summary of Contents for Mackie SRM1801
- Page 1 SRM1801 18” Powered Subwoofer O W N E R ’ S M A N U A L...
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Page 2: Safety Instructions
Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. -
Page 3: Table Of Contents
APPENDIX C: SRM1801 SPECIFICATIONS ... 16 MACKIE LIMITED WARRANTY ... 18 Please write the serial number for your SRM1801 here (or for both SRM1801’s if you have two) for future reference (i.e., insurance claims, tech support, return authorization, etc.): Purchased at:___________________________________ Date of Purchase:_____________ Don’t forget to visit our website at... -
Page 4: Getting Started
3. Slowly turn up the LEVEL control on the SRM1801 to the “U” (unity gain) mark at the center position. 4. Adjust the master volume on your mixer to a comfortably loud listening level. -
Page 5: Introduction
Pair the SRM1801 with the best-selling SRM450v2 and you have a complete (and completely affordable) “plug and play” system that is ideal for small clubs, DJs and rehearsal spaces. The SRM1801 has both full-range and high-pass stereo outputs for connection to full-range top boxes. Just dial in the appropriate level and use the polarity switch to make sure the sub is in phase with the loudspeakers. -
Page 6: Hookup Diagrams
Main PA System with one subwoofer and two powered loudspeakers ACTIVE SOUND REINFORCEMENT SYSTEM The left and right line-level outputs from a mixer feed the inputs of the Mackie SRM1801 powered subwoofer. The high pass line-level outputs of the subwoofer feed the inputs of the Mackie SRM450v2 powered loudspeakers, so these reproduce the mid-to-high frequencies in stereo, and the sub provides the low frequencies in mono. - Page 7 REVISION POWER The left and right line-level outputs from a mixer feed the inputs of a pair of Mackie SRM1801 powered subwoofers. Their respective full-range outputs feed the inputs of another pair of Mackie SRM1801 powered subwoofers. The high-pass outputs from the second set of subwoofers then feed the inputs of a pair of Mackie SRM450v2 powered loudspeakers.
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Page 8: Mackie Srm1801 Features
SERIAL NUMBER REVISION 2. POWER Press up on this switch to turn the SRM1801 subwoofer on. The power LED [11] above the LEVEL knob [7] illuminates when the POWER switch is on and AC power is available at the linecord socket. -
Page 9: Inputs
9 10 THERMAL SIGNAL POWER LEVEL POL ARITY NORMAL INVERT 3. INPUTS Balanced XLR female connectors are provided for the left and right inputs. Connect the full-range line-level signal from the mixer or other signal source to these input jacks. If you are connecting a single subwoofer output, or LFE (low-frequency effects) output to the subwoofer, you may use either the A or B input connector. -
Page 10: Level
INPUTS 9. OL LED The OL (overload) indicator lights when the amplifier in the SRM1801 is near the clipping point. It is okay if the OL indicator blinks occasionally, because this means that the transient peaks are just reaching the maximum output of the amplifier and you are getting the most from your SRM1801. -
Page 11: Ins And Outs Of Polarity
Ideally, the woofer cones of the subwoofer and full-range loudspeaker would work together by pushing and pulling in unison. SRM1801 subwoofers are designed to be used in a broad range of applications, and with a wide variety of full-range loudspeakers. The... -
Page 12: Protection Circuits
(i.e., frequent OL LED indications, excessive distortion), you can still damage the speakers in the SRM1801 by overdriving them past the point of amplifier clipping. Such damage is beyond the scope of the warranty. -
Page 13: Appendix A: Service Information
For example, if a left subwoofer is presumed dead, switch the left and right cords at the subwoofers. If the problem switches sides, it’s not the SRM1801. It could be a bad cable, or no signal from the mixer. Bad Sound •... - Page 14 Make sure all connections are secure. These problems usually produce crackling noises or hum. • If you are using two or more SRM1801 powered subwoofers, try plugging them all into the same AC outlet panel or outlet strip. The purpose for...
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Page 15: Appendix B: Connections
For example, if your mixer has an output impedance of 120 ohms, then you can daisy chain up to nine SRM1801’s. This is a load of 1222 ohms (SRM1801 input impedance=11 kohms; 9 of these in parallel=1222 ohms). Since microphones typically have a higher output impedance, you should limit daisy-chaining from a mic source to two SRM1801’s... -
Page 16: Appendix C: Srm1801 Specifications
Mounting Method: 20 k balanced Male XLR Balanced The SRM1801 subwoofer is designed to sit on the floor or (parallel with input) stage. It is NOT designed to be pole-mounted or suspended. The cabinet has no rigging points and is not suitable for rigging. - Page 17 SRM1801 Dimensions 25.3 in / 643 mm SRM1801 Frequency Response –10 –20 –30 –40 WEIGHT 73 lb 33.1 kg 20.2 in / 513 mm Frequency (Hz) Frequency (Hz) 15.1 in / 383 mm THERMAL SIGNAL POWER OUTPUTS HIGH PASS LEVEL...
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Page 18: Mackie Limited Warranty
Product Warranty will be valid unless set forth in a written instrument signed by the party to be bound thereby. • Visit www.mackie.com and click Support to find: FAQs, manuals, addendums, and other documents. • Email us at: techmail@mackie.com. - Page 19 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...
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