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Old 7th March 2008, 03:11 PM   #11
limono is offline limono  United States
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Try to listen to each of them > Although I'm sold on alnico myself it would be interesting to see if the difference is really there and maybe you'll end up preferring ferrite . Regards, L
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Old 7th March 2008, 04:17 PM   #12
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I have a pair of Foster 10F3's in small cabinets that go along with a helper woofer. They have had the planet10 treatment and sound very nice.

I also have the Coral equivalent (holey basket) that are running as OB mids in another system. They also have had Dave's TLC sound very good. In fact I chose them over the 10F3's because of the better vocals (my opinion)

If you can find another 10F3 you will be very happy.
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Old 7th March 2008, 04:27 PM   #13
rca9449 is offline rca9449  United States
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"Try to listen to each of them > Although I'm sold on alnico myself it would be interesting to see if the difference is really there and maybe you'll end up preferring ferrite . "

I did - ferrite can't much alnico when it comes to tone - not even close.
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Old 7th March 2008, 05:05 PM   #14
badman is offline badman  United States
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Default Try a mono design

A back loaded cornerhorn (like a frugal horn) with a few adaptations could be a very cool way to use the two of these. Alnico forward firing, ferrite upfiring for a little extra output ability in the bass region. I'd say just do a frugel horn design, with a double sized compression chamber you can tune with displacement via bricks or the like.
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Old 8th March 2008, 08:02 AM   #15
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That is a shame they aren't a pair... i have no singles amounst my collection to help you match them up.

Which one has the v=black cone -- that is highly unusual.

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Old 9th March 2008, 12:58 AM   #16
rca9449 is offline rca9449  United States
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Dave, black cone is the alnico magnet one.
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Old 9th March 2008, 06:35 AM   #17
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That is unique in my experience.

Mail me if you are interested in swapping for a matched pair... your mismatched pair would at least be at home with all the singles i have.

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Old 9th March 2008, 07:20 AM   #18
rca9449 is offline rca9449  United States
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Old 29th April 2008, 05:59 PM   #19
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Default Fe103A - build up basket with epoxy?

Thought I'd use the most recent thread on Foster fe103A's instead of starting another.

Has anyone tried building up the basket/spider of the 103's (any version) with Marine Tex or other "rigid" epoxies?

Basically I'm thinking of doing all the duct seal mods as well as building up the "legs" of the basket to a pair of Foster fe103A's but using rigid epoxy to strengthen and damp the basket. Of course this is a non-removable mod so I thought I'd ask around first.

I don't know if anyone is familiar with Marine Tex but it's a rigid sandable/fillable epoxy for Marine use, will apparently cure underwater though I haven't tried that as don't do much listening under water.

So far the fe103a's are still in their recently acquired chrome fronted Tunnel Reflex boxes, though I have replaced the original speaker wire and done the Modge Podge fix to glue the surround back on to the cone.
(Thanks Planet10 for the how to, I used a smooth nail file to lift the surround and get the brush under)
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