New Fostex fullrangers are in at Madisound - diyAudio
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Old 5th June 2011, 07:34 AM   #1
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Default New Fostex fullrangers are in at Madisound

...just FYI.

https://www.madisound.com/store/prod...oducts_id=9070
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Old 5th June 2011, 07:57 AM   #2
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Excellent. I should see my FF85 & FF125 wed or so then.

I see they have inhereted the dust cap from FE138eSR.

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Old 5th June 2011, 09:34 AM   #3
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No sign of the 125 yet on the listings, all the others are there though.

Re the dustcap, seems to be aluminium. I think that (in magnesium form) was in fact first seen in the Fostex range on the Japan-only limited edition WG850.

Colour me a bit disappointed though. Granted these are not supposed to be top end models, but I'd still hoped for a little more; they look reasonable units for what they are, but they don't appear to have moved things on at all in engineering terms. Perhaps that's a consequence of trying to use them to replace two ranges (FFxx5K & FExx7E), or perhaps they're struggling a bit following the apparant departure of some of their design / development people.
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Old 5th June 2011, 01:44 PM   #4
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It appears to have a high hysteresis surround, so a damping ring like required on a rubber one may be a good tweak.

GM
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Old 5th June 2011, 02:36 PM   #5
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the 225 seems interesting when adding a supertweeter.
However it has a scary bump at 3khz - I expect an irritating bite in the sound there if no corrective action is taken.
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Old 5th June 2011, 02:44 PM   #6
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Quote:
Originally Posted by planet10 View Post
I should see my FF85... wed or so then.
I'm really curious to hear how these work out, especially in horn loaded boxes. I can't help but wonder if they are a suitable replacement for the old FF85K. It seems the total Q is a little higher and the BL is a little lower, which isn't what I think I'd want for a horn loaded driver.

Moving mass is spec'd a bit higher and excursion is less, which doesn't seem good either.
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Old 5th June 2011, 02:47 PM   #7
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the frequency plot of the new FF85K seemed the best one to me. I expect it to be interesting in a small box, actively filtered & biamped with a subwoofer.
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Old 5th June 2011, 03:13 PM   #8
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FF225WK appears to have more Xmax than the previous ?
and ofcourse much lower sensitivity
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Old 5th June 2011, 03:47 PM   #9
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Originally Posted by talaerts View Post
However it has a scary bump at 3khz - I expect an irritating bite in the sound there if no corrective action is taken.
Agreed, I'm thinking this is where the surround damping comes into play.

GM
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Old 5th June 2011, 04:02 PM   #10
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Wonder when/if they will present a new all-out assault on the 8" full-range concept? The interest in these drivers is probably bigger than ever, and at least here in Europe the market is ripe and ready.

Imagine an improved version of the FE208ES-R....
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