Building a Sample Woofer
As part of the ongoing research and development at Axiom, we build a prototype sample woofer to test its characteristcs. Because we are able to do this in-house, changes in design and subsequent testing can be conducted right at Axiom's facilities.
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| Alan Lofft holds the large two-inch woofer voice coil on its assembly, the starting piece for building a sample woofer. |
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| Debbie Swinton prepares a mounting jig for the voice coil, to which the aluminum cone is attached later in the process. |
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| Debbie removes the installed voice coil assembly from the mounting jig. |
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| Here Debbie has attached the voice coil to the flexible spider. |
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| A layer of glue is applied to the base of the magnet assembly. |
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| The ferrite magnet is glued to the magnet assembly. Later on, the ferrite core will be magnetized in Axiom's magnetizer. |
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| Here she glues a retainer ring to the ferrite magnet. The retainer ring and magnet assembly will be attached to the large aluminum woofer basket. |
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| In this picture, Debbie screws the cast aluminum basket to the speaker magnet assembly. |
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| The completed aluminum basket with its attached woofer magnet structure. |
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| Debbie uses a jig to center the voice coil and spider assembly in the center of the magnet structure, and glues it into place. |
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| A bead of glue is applied to the voice coil spider assembly, ready to receive the aluminum woofer cone. |
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| Finally, Debbie takes the aluminum cone and its composite rubber surround to glue it to the basket and voice-coil assembly. |
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| Debbie shows the completed 12-inch woofer driver, ready for testing. |














