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Help with JBL speaker repair - refoam gone wrong?
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<blockquote data-quote="1aespinoza" data-source="post: 8864727" data-attributes="member: 654802"><p>Exactly like you said, the spider does not allow the voicecoil to shift horizontally because it has zero compliance that way. The thing is that the spider does have vertical compliance which allows cone travel. This compliance also allows the coil to "twist" and cause rubbing issues. Being how close the voicecoil is to the centerpole and top plate, it is easy to be off ever so slightly without the help of a shim.[ATTACH=full]55080[/ATTACH]</p><p></p><p>Those tweeters should come with surface mounting cups. That allows you to mount them on any surface away from the speaker for better imaging. That said you can mount them atop the cover panel centered with the 6x9s, off to the edges of the shelf, or on the pillar panels. Only hole needed would be for the tweeter's wire.</p><p></p><p>That is a crossover. It filters out the high signal for the 6x9 and filters out the bass for the tweeter.</p><p></p><p>As far as drop-in goes, a coaxial is an easier option if your original speaker only has two wires going to it. If your original speaker has 3 or 4 wires going to it, a component set is better. That way you do not have the task of separating soldered wires at the speaker.</p></blockquote><p></p>
[QUOTE="1aespinoza, post: 8864727, member: 654802"] Exactly like you said, the spider does not allow the voicecoil to shift horizontally because it has zero compliance that way. The thing is that the spider does have vertical compliance which allows cone travel. This compliance also allows the coil to "twist" and cause rubbing issues. Being how close the voicecoil is to the centerpole and top plate, it is easy to be off ever so slightly without the help of a shim.[ATTACH type="full"]55080[/ATTACH] Those tweeters should come with surface mounting cups. That allows you to mount them on any surface away from the speaker for better imaging. That said you can mount them atop the cover panel centered with the 6x9s, off to the edges of the shelf, or on the pillar panels. Only hole needed would be for the tweeter's wire. That is a crossover. It filters out the high signal for the 6x9 and filters out the bass for the tweeter. As far as drop-in goes, a coaxial is an easier option if your original speaker only has two wires going to it. If your original speaker has 3 or 4 wires going to it, a component set is better. That way you do not have the task of separating soldered wires at the speaker. [/QUOTE]
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Help with JBL speaker repair - refoam gone wrong?
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