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Multi-Way Conventional loudspeakers with crossovers

Restoration
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Old 10th November 2017, 09:29 AM   #51
muzyk_ant is offline muzyk_ant  Romania
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Does anybody know how to "restorate" and soften an older rubber woofer sorrounding? Saw something with alcohol and wintergreen oil. Anyone tried that, or some other mothod?
I want to make those sorroundings a little softer but on the other side don't want to ruin them with some chemicals.
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Old 10th November 2017, 12:20 PM   #52
Kay Pirinha is offline Kay Pirinha  Germany
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First of all: Why do you want to modify your speakers?

2nd: Are you really sure that the surroundings once were softer than today?

3rd: If so and in general, be aware that softeners evaporate during time and cannot be put back.

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Old 12th November 2017, 05:14 AM   #53
muzyk_ant is offline muzyk_ant  Romania
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Quote:
Originally Posted by Kay Pirinha View Post
First of all: Why do you want to modify your speakers?
2nd: Are you really sure that the surroundings once were softer than today?
3rd: If so and in general, be aware that softeners evaporate during time and cannot be put back.
Best regards!
1-Kay, want them to lower Fs as much as it is possible.
2-Well, not sure aobut that, it may be possible that they where the same but I've seen softer on newer woofers so that's why I put in mind to try to make them a little more flexible.
3-you are right about that, I've read that people tried to soften the inside spider with acetone and other stuff and indeed it gets softened but after a while all gets as the prior state.

One thing I will try to "break" the woofers with a 20-40 Hz sweep for a while see what it happens. The thing is that theese woofers where kept for some years unplayed on the shelf and I definitely hope to get more response from them.
All the best !
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Old 12th November 2017, 10:48 AM   #54
Kay Pirinha is offline Kay Pirinha  Germany
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My lb3521's also don't present that deep bass, most probably due to their moderate volume.

Best regards!
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