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Old 18th June 2013, 03:05 PM   #1
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Question Best Bookshelf Enclosure for the 126en?

I have a pair of 126en that I want to build small bookshelf enclosures for them...any references to a simple design? How is the suggested enclosure on the Madisound site?
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Old 18th June 2013, 03:16 PM   #2
chrisb is offline chrisb  Canada
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Default FE126 in bookshelf

I wouldn't expect much bass from this driver in any small enclosure, sealed or otherwise - but Dave at P10 has a sketch for a small center channel
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Old 18th June 2013, 03:21 PM   #3
blownsi is offline blownsi  United States
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I built the recommended bass reflex cabs on the Fostex datasheet and enamoured with them. I run without a sub and don't really miss it.
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Old 18th June 2013, 03:25 PM   #4
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Originally Posted by chrisb View Post
I wouldn't expect much bass from this driver in any small enclosure, sealed or otherwise - but Dave at P10 has a sketch for a small center channel
OK...but these would be set up in my office/studio a few feet away with an SS amp and small tube pre from my computer. Not as concerned about bass as I am capturing the full range flavor

I do have a pair of the Ovenight Sensation MTMs I plan to build for this but was curious if the 126en is any good in the bookshelf realm.

I have been swapping the 126en with the Alpair 7 in my BK-12m horns and find the Fostex appears to handle certain acoustics in a more "natural" way. The Alpairs tend to smooth them over a bit. Is this the general consensus on these?
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Old 18th June 2013, 03:43 PM   #5
chrisb is offline chrisb  Canada
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dare I say that the only consensus on Alpair7 vis a via FE126En is that they won't sound the same in any enclosure, regardless of amplification ?

in the very near field that you appear to be describing, the Fostex's characteristically dynamic attack, forward upper midrange, and to some ears very discernible peakiness in the 7K range, might in total be a bit fatiguing
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Old 18th June 2013, 04:11 PM   #6
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OK then...thanks for saving me from wasting my time
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Old 18th June 2013, 04:12 PM   #7
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Hi there,

IMO, the FE126s are only usable with the application of a graphic eq.
I used Foobar2000 to do this (see attached).

This provides BSC and a smoother mid-high range that's otherwise very forward.

Again IMO, the only way to get satisfying sound from a small enclosure and these drivers is to go sealed, and use the graphic eq again to do a Linkwitz Transform, providing boost to around 70Hz before cutting down around 45Hz.

You lose a lot of SPL capability, but with their tiny Xmax they'll never do much bass. For nearfield I'd expect this to be okay, having used it myself before now. Just be careful with the cone excursion - once they sound like they're struggling, start cutting off more of the bass if its not loud enough.. These are small speakers.

Chris
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File Type: png eq.png (42.7 KB, 147 views)
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Old 18th June 2013, 05:28 PM   #8
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FE126En is not really suited to a small box.

The 10 litre factory box has been descibed as a "crual joke". The attached sim is half-space so does not consider BS Loss.

For those needing a centre channel to "match" FH3/FE126 mains i did up what i consider a lesss compromised alignment, 4 litres with a nice roll-off just above 100 Hz.

Frugel-Horn Mk3 Builds & Build Questions

Click the image to open in full size.

dave
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File Type: gif FE126-factoryBR-sim.gif (12.5 KB, 137 views)
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Old 18th June 2013, 05:47 PM   #9
blownsi is offline blownsi  United States
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Perhaps I should add that I am a near field listener. Mine are appx 6ft from my listening position in their normal setup. I've also ran them as desktop speakers and they are great there too. I have never encountered any issue with them not being loud enough whether being driven by SET or T-Amp. They are wonderfully natural sounding and image very well.
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Old 18th June 2013, 06:48 PM   #10
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Perhaps I should add that I am a near field listener. Mine are appx 6ft from my listening position in their normal setup. I've also ran them as desktop speakers and they are great there too. I have never encountered any issue with them not being loud enough whether being driven by SET or T-Amp. They are wonderfully natural sounding and image very well.
This enclosure ? I will have mine a little further ...maybe 10'. They are cheap enough to build
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