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Multi-Way Conventional loudspeakers with crossovers

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Old 30th January 2005, 06:11 AM   #1
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Default Mr Bose, meet Mr Radio Shack

First off hi! My 1st post.

I'm closing in on 50yo and built my 1st speaker out of old tube radio parts at 14yo.

I have a nice system to listen to and know a bit about high-end audio. But you wouldn't know that with what I'm about to write

What to do with "junk" thats been around for years? Do a DIY project of couse.

The junk includes Bose 301s series II (1983) and Radio Shack LX5 Pro with the Linaeum stamped tweeter (1994 ?). The foam was trashed on the bose and the LX5s were never good speakers except for the tweeters. Once I thought about doing the Mr Wormer's thing on the LX5s but just never got around to it.

I replaced the 301s woofers with RS full range w/whizzer cat# 40-1044 speakers. Note: there were no chokes or XO on the bose series II before the woofer, straight line to the woofers which is good for the RS full range speakers. Then I removed the Linaeum tweeters from the LX5s and installed them dead-center on top of the 301s cabinets. Used a Chateauroux 7uf Cap on the Linaeums. Left the bose "tweeters" as is -- I always thought the paper tweeters on the 301s were more of a mid/tweeter any how.

Well, how does the match made it hell sounds?

Well worth the effort all alone but really nice with a Velodyne Sub rolling off around 100-120

If interested I will post some jpegs if thats possible on this board.


Larry
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Old 30th January 2005, 07:00 AM   #2
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Go ahead ..interesting......
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Old 30th January 2005, 06:21 PM   #3
morbo is offline morbo  Canada
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I'm very interested. I have the LX5s and did Dennis Murphy's added mass mod to the woofer, and lined the horribly resonant metal walls with a damping/absoprion sandwich which improved the sound quite a bit, but eventuallly I'd like to pull out the Linaeum and use it with some better drivers in a dipole surround speaker. In particular any measurements of the linaeum tweeter would be most appreciated.
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Old 30th January 2005, 07:10 PM   #4
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Quote:
Originally posted by sivan_and
Go ahead ..interesting......

The hybrid (Bose/RS) is taking the place of a B&W 602 S3 on the block stand. To the right is a LCR600 S3, on the floor is a Velodyne VX-10
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Old 30th January 2005, 07:10 PM   #5
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View from the rear... Will try some 100% natural felt between the tweeter and cabinet soon and see/listen for a difference.
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Old 30th January 2005, 07:10 PM   #6
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RS's whizzer cone speaker was a perfect replacement match on the 301s
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Old 30th January 2005, 07:39 PM   #7
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are there supposed t be pics in those posts? I'm not seeing any if there are...
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Old 30th January 2005, 07:43 PM   #8
qwad is offline qwad  Australia
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HI MORBO, SOME YEARS AGO hi fi world in one of their diy supplements did some tests on a number of ribbon tweeters and the rs linoleum was one of them I THINK I still have the supplement somewhere if you can email me with a faxnumber I will gladly send you a copy, would scan it but at the moment my scanner is out to lunch as is my pc not working real good so fax is the only way, but don't get too excited the linoleum was not deemed to be very good so it's up to you, over and out TC
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Old 30th January 2005, 08:35 PM   #9
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Quote:
Originally posted by cody6766
are there supposed t be pics in those posts? I'm not seeing any if there are...

There were attached jpegs and I saw them. But my posts are "approved by a mod" because I'm new before showing up in the thread and when they (posts) do show-up the jpegs were missing.
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Old 30th January 2005, 09:32 PM   #10
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Quote:
Originally posted by morbo
In particular any measurements of the linaeum tweeter would be most appreciated.
Horizontal Set (don't know where i scooped these)

dave
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