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These instructions are intended to help restore any ailing SWA1801 Active 

Subwoofer back to factory working conditions. They show how to remove and 

replace the woofer and amp assembly.  

Please contact Mackie Tech Support (1-800-898-3211) to receive a Service 

Request Number and Order Number for parts needed for this restoration.  They will 

also help you determine the nature of the problem and what parts will repair the unit. 

Tools needed:

***NOTE: not all tools listed below will be needed for your repair***
•  Phillips head screwdriver.
•  5mm allen wrench.
• Solid 

workbench.

•  Non-carpeted work area due to static electricity.  If available, an ESD mat 

(Electro-static discharge) is optimal.  

Parts needed: 

 

***NOTE: not all parts listed below will be needed for your repair***
• 

Led 

PCB 

Assembly 

  Part 

#0007334 

  pages 

3-4

• 

18” 

Woofer 

   Part 

#0012184 

  pages 

5-6

• Amplifi er Assembly  

 

Part #0005687 

 

 

pages 7-8

Safety Warnings:

•  Make sure that you turn off the unit and disconnect the power cord (and all 

other cords) before you begin these procedures.

•  Always use safety glasses!
•  Please try NOT to touch any of the pcb circuitry, capacitors, resistors, etc.
•  Take care to read and follow these instructions.  It may help to read the 

 instructions prior to the repair to get an idea of what it entails.  

•  Before beginning the repair, touch metal to discharge any lingering internal 

static electricity.

Summary of Contents for SWA1801

Page 1: ...1 SWA1801 REPAIR MANUAL ACTIVE...

Page 2: ...peted work area due to static electricity If available an ESD mat Electro static discharge is optimal Parts needed NOTE not all parts listed below will be needed for your repair Led PCB Assembly Part...

Page 3: ...not fully remove front panel as the cable is still attached to the led PCB assembly 2 Keep the 20 screws and washers in a safe place 4 Carefully remove the cable attached to the led PCB assembly 1 Twe...

Page 4: ...crewdriver to remove one screw from center of led PCB assembly 7 The hard part is done the rest is easy Place new led PCB assembly part 0007334 where the old one was Follow the same steps as above but...

Page 5: ...ng 5mm allen wrench 3 Keep the eight screws in a safe place 8 1 2 3 4 5 6 7 4 Carefully begin to remove the woofer Caution woofer is approximately 27 pounds with weight unevenly distributed 5 Positive...

Page 6: ...ke with the front panel and woofer both removed Place new woofer part 0012184 where the old one was Follow the same steps as above but backwards 6 to 1 making sure to keep the led PCB assembly cable i...

Page 7: ...o screws located on the top of the SWA1801 patiently awaiting removal 1 Four screws need to be removed from the amp assembly using a 5mm allen wrench The screws are located at the top and bottom of th...

Page 8: ...ed PCB cable and yellow and black woofer cable are both closer towards the edge of the amp assembly Amp assembly replacement continued 5 It may be easier to remove the amp assembly if the cabinet is o...

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