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How to improve dispersion on the 105

 
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audiolabtower
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Joined: 06 Jan 2009
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PostPosted: Tue Sep 01, 2015 5:26 pm    Post subject: How to improve dispersion on the 105 Reply with quote

http://www.ebay.co.uk/itm/KEF-Reference-105-Series-II-Main-Stereo-Speakers-modified-/141760822641?&_trksid=p2056016.l4276

Kef went to a lot of trouble to try and out LS3/5a the imaging of the LS3/5a with the 105 head assembly. Here's an example of how to ruin it.
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proffski
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Joined: 22 Aug 2003
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Location: Tewkesbury UK

PostPosted: Tue Sep 01, 2015 5:54 pm    Post subject: Re: How to improve dispersion on the 105 Reply with quote

Ye gods, they walk amongst us, this is sacrilege!
Imbecilic! Evil or Very Mad
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audiolabtower
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PostPosted: Tue Sep 01, 2015 8:16 pm    Post subject: Reply with quote

And the bass volume must be 1/2 or 1/3 of the original? Rolling Eyes
Why not just sell them and get a 105.4 or maybe something not designed for free space mounting?
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proffski
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PostPosted: Tue Sep 01, 2015 8:33 pm    Post subject: Reply with quote

It does not add up, I smell a rat, no sentient being would do this.
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SaSi
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Joined: 24 Aug 2008
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PostPosted: Wed Sep 02, 2015 6:35 pm    Post subject: Reply with quote

In addition, I see one B300 from a 105.2 (3 screw flush mounting) and what could be a 105.1 B300 with a paper cone and pleated surrounds.

However, I would pay between 100 and 200 for them, just to get the heads, probably crossovers and a likely good B300 woofer. A nice project to recreate the 105s.
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proffski
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PostPosted: Wed Sep 02, 2015 6:40 pm    Post subject: Reply with quote

I'd need a VERY close look at anything from that venndor as well as a prolonged listen before parting with any cash...
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audiolabtower
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PostPosted: Wed Sep 02, 2015 9:12 pm    Post subject: Reply with quote

SaSi wrote:
what could be a 105.1 B300 with a paper cone and pleated surrounds.

The paper cone is not from a 105.1. The B300A was the same cone, surround and coil as the B300B in the 105.2 (data sheet parameters are identical), just in a huge cast chassis with 6 point fixing like the BBC LS5/5 monitor instead of the pressed steel and 3 point rubber decoupling mounts of the 105.2.
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