S225 REPAIR MANUAL
These instructions are intended to help restore any ailing S225 Passive Loudspeaker back to factory working conditions. They show how to remove and replace the drivers. Please contact Mackie Technical 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.
Bottom woofer replacement: 1 6 2 7 3 8 4 5 1 2 9 10 Five screws need to be removed from each side of the grill (ten screws total) using the phillips head screwdriver. A flat head screwdriver may aid in loosening the grill if it is sticking. Keep the ten screws in a safe place. 3 1 2 4 3 Four screws need to be removed from the bottom woofer using the 5mm allen wrench. Keep the four screws in a safe place.
Bottom woofer replacement continued: pull out - 5 4 Carefully begin to remove the woofer. This woofer has a tendency to want to pop out, so please be sure to hold the woofer in place with your free hand while removing the screws with the other hand. Caution: The woofer is approximately 10 pounds with the weight unevenly distributed. + The positive (solid yellow) and negative (solid black) cables are still attached to the woofer terminals.
Bottom woofer replacement continued: 6 The picture above shows what the S225 looks like with the grill and bottom woofer removed. Place the new woofer (part #0010658) where the old one was. Follow the same steps as above, but backwards 5 to 1. Power up the S225 and the new woofer should now be pumping out glorious lows.
Top woofer replacement: 1 6 2 7 3 8 4 5 1 2 4 3 9 10 1 Five screws need to be removed from each side of the grill (ten screws total) using the phillips head screwdriver. A flat head screwdriver may aid in loosening the grill if it is sticking. 2 Keep the ten screws in a safe place. 3 Four screws need to be removed from the top woofer using the 5mm allen wrench. Keep the four screws in a safe place.
Top woofer replacement continued: pull out - + 5 4 Carefully begin to remove the woofer. This woofer has a tendency to want to pop out, so please be sure to hold the woofer in place with your free hand while removing the screws with the other hand. Caution: The woofer is approximately 10 pounds with the weight unevenly distributed. The positive (solid yellow) and negative (solid black) cables are still attached to the woofer terminals.
Top woofer replacement continued: 6 The picture above shows what the S225 looks like with the grill and top woofer removed. Place the new woofer (part #0010658) where the old one was. Follow the same steps as above, but backwards 5 to 1. Power up the S225 and the new woofer should now be pumping out glorious lows.
High Frequency Driver replacement: 1 2 3 4 5 6 1 2 4 3 7 8 9 10 1 Five screws need to be removed from each side of the grill (ten screws total) using the phillips head screwdriver. A flat head screwdriver may aid in loosening the grill if it is sticking. 2 Keep the ten screws in a safe place. 3 Four screws and flat washers need to be removed from the horn assembly using the 5mm allen wrench. Keep the four screws and flat washers in a safe place.
High Frequency Driver replacement continued: 4 Carefully begin to remove the entire horn assembly (with the high frequency driver still attached). A flat head screwdriver may aid in loosening the horn assembly by prying between it and the cabinet. Hold the horn assembly in place with one hand while prying around the edge with your free hand. Caution: The horn weighs about 5 pounds, and the weight is unevenly distributed.
High Frequency Driver replacement continued: headless screw locking washer nut flat washer 7 8 Four nuts and eight washers may be removed from the driver using the 8mm open end wrench. Turn counterclockwise to loosen and remove, clockwise to tighten. The other three are located around the horn assembly. Lift the horn up as the nuts are loosened. It cannot be removed otherwise. Notice that the flat washer is on the bottom, followed by the locking washer, and finally the nut.
High Frequency Driver replacement continued: 1 2 4 3 11 1 4 10 2 3 This is what the high frequency driver looks like removed from the horn assembly. Four headless screws need to be removed from the driver. Pliers could help if the screws are too tight. Turn counterclockwise to loosen and remove, clockwise to tighten. Keep the four headless screws in a safe place.
Diaphragm replacement: 1 At the present time (January 2007), diaphragms are not currently available, so you will have to replace the complete driver following the previous section (pages 9-12). If you have received a diaphragm, please follow the steps below. 2 Follow steps 1-5 of the high frequency driver replacement instructions, as the horn will need to be removed in order to access the diaphragm. 1 4 3 4 2 5 The diaphragm and plate adapter are easily removed from the horn assembly.
Diaphragm replacement continued: 7 This is what the plate adapter (left) and diaphragm (right) both look like. Place the new diaphragm (part # coming soon) where the old one was. Follow the same steps as above, but backwards 6 to 1. Power up the S225 and the new diaphragm should now be pumping out those highs again.
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