FE127E, Can I use this cabinet for them? - diyAudio
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Old 12th February 2006, 09:01 AM   #1
mbcy is offline mbcy  Hong Kong
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Default FE127E, Can I use this cabinet for them?

As title

I am interested in building a new cabinet for FE127E

I search in the old post and see this design which is for FE126E

Can i use this on my 127?

Thanks all
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Old 12th February 2006, 08:15 PM   #2
chrisb is offline chrisb  Canada
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This is the Fostex recommended enclosure for the FE126E, and works surprsingly well - except for the clarity of the lowest octaves. With the bottom cut off as marked, you get a "cute" presentation that almost disappers (at least compared to any large BLH)

The FE127E works much better in any of the MLTL designs posted by Dave Dlugos, starting here (post 536 and forward)

http://www.diyaudio.com/forums/showt...956#post843956

We've heard several variations on both the mono-pole and bipole design - if you've got the required floor space, go for the bipoles.
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Old 13th February 2006, 04:17 AM   #3
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Here are a set of the monopole ML-TLs for the FE127 with the presentation from the Fostex design... the ML-TLs have very good bass, maybe give up a tiny bit in the mids to the FE126.

dave
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Old 13th February 2006, 07:46 AM   #4
mbcy is offline mbcy  Hong Kong
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Quote:
Originally posted by planet10
Here are a set of the monopole ML-TLs for the FE127 with the presentation from the Fostex design... the ML-TLs have very good bass, maybe give up a tiny bit in the mids to the FE126.

dave

Thanks dave

it is a good design and easy to build
but forgive for my "stupidity"

should this design be a floor standing? bookshelf ? or a hybrid ?
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Old 13th February 2006, 07:58 AM   #5
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Quote:
Originally posted by mbcy
should this design be a floor standing? bookshelf ? or a hybrid ?
It really is a stand-mounter, whether that stand is a stand, a false base (filled with sand) that looks like a floorstander, or something with the stand built-in like the ones above that Chris is doing for his mom (those are a bit unusual, but work well and are just damn cute)

dave
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Old 13th February 2006, 05:28 PM   #6
chrisb is offline chrisb  Canada
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I'm not sure that Dave made it clear - the raw plywood boxes in the picture are the FE126 BR/horn, and the mahogany boxes are the monopole MLTL 127.

They arrived at within mm of each other without even comparing plans - I didn't even realize that until I put them side by side.

The bass is cleaner and more smoothly extended on the MLTL, but the efficiency and midrange prescence on the "horn" is remarkable.

Cutting the bottom of the 126 design results in approx 9dg tilt back - when my wife's initial reaction is "cute", I'll try to use that feature wherever I can. At about 8-10 feet listening distance, and a bit of toe-in, you're still within a the driver's HF dispersion pattern, and the imaging is quite nice indeed - they don't sound at all like they're sitting on the floor. Mated to a powered sub, either would make a great HT system (just keep the 126 away from the screen)

In contrast, (Ron Clark's) A126 horn design, in all other respects a vastly superior performer, is not inobtrustive, and creates an elevated soundstage presentation.
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Old 13th February 2006, 09:16 PM   #7
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Dave

How much space (give or take) behind the dipole is necessary for good sound?
Thanks
Jonathan
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Old 13th February 2006, 10:15 PM   #8
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Quote:
Originally posted by summilux
How much space (give or take) behind the dipole is necessary for good sound?
If they are angled wrt the wall, you can probably get away with 1.5-2 ft for background... 2.5-4 ft for serious listening (true of most speakers). As you push them towards the wall you can end up with lots of bass lift -- my current (CSS) bipoles often have me looking for the sub when they are pushed back in their parked position (about 1.5' from the wall). When used with cable TV programming this is where they are left. When watching a DVD or listening to a CD they come out another 1-1.5'.

dave
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