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Old 24th September 2008, 09:05 PM   #821
nuconz is offline nuconz  United States
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Quote:
Originally posted by soundbrigade
Wanted to a) try a horn construction and b) the Hungarian Sonido speakers so I got myself a pair of SFR144 and some pieces of MDF:

The Quackti on top of the box is used to absorb and silence .... distortion??
ok, so how does aaflack like the sound?
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Old 24th September 2008, 09:20 PM   #822
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Well ... errr .... mpf, is good way to explain it.

I myself say that they sound fine: open and airy. Especially good for jazz, blues, acoustic music, even rock. A bit difficult with classical music where many instruments are involved, gets a bit constipated.
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Old 28th September 2008, 10:56 PM   #823
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Here is the latest and best of my ideas. The AN super 8 in parallel with the Pyle PPA15 cut 6db at 250hz or so. The bottom PPA15 is seperately driven by the Audiosource ampsub 210 sub amp.
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Old 28th September 2008, 10:59 PM   #824
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And the rear. These things have far more bass than I need and thanks to the PPA's 27 hz fs, they go as low as most of the subs I've owned.

Things left to do: finish the cabinets, have bud 'enable' the ANs, and cut about 6db or more off the ANs at 15khz - they are far too strong in this area.

Oh, also they are driven by a modified Denon PMA-S1. I continue to be thrilled by this amp. It's the last I'll ever own.
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Old 29th September 2008, 10:23 PM   #825
chrisb is offline chrisb  Canada
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Quote:
Originally posted by InclinedPlane

Oh, also they are driven by a modified Denon PMA-S1. I continue to be thrilled by this amp. It's the last I'll ever own.

forgive me, but if I had a nickel for every time I said that in the last 40yrs, I could afford a custom amp by Nelson Pass or Gary Pimm (and wouldn't need to heat my basement listening room during the winter months)
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Old 5th October 2008, 12:07 AM   #826
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I built a pair of Bob Brines LT-2000 Lowther DX-3 finished in cherry veneer. My first experience with single drivers. I'm hooked.
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Old 5th October 2008, 10:26 AM   #827
h@kan is offline h@kan  Sweden
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Very nice! Have you done the black panels on the front yourself?
I would love to see more more pics of these beautiful creations!
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Old 5th October 2008, 02:21 PM   #828
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Yes, I made these exactly to Bob's plans which are very thorough. The black baffles on the front are more for than just looks, they serve to double the thickness of the driver mount area. The cabinets are as solid as I've seen and weigh close to 70 pounds each. Thanks for the feedback, here's another picture:
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Old 6th October 2008, 03:30 AM   #829
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Default They are almost completed !

Started this project in September 2007 ... I wanted to build my 1st fullrange speakers in a BLH. Didn't want to try right away with Lowthers and tested the concept with the Fostex FE207E. I am preparing a blog with details on the project and will post the link when ready.
They are not perfect and there are many things I would do differently after this experience.
Timeline:
3 months of research for the design, drivers and material used.
8 months of work almost every Saturday (approx. 200 hours in my friend Bruno's shop).
Material:
- Fostex FE207E drivers
- Cardas binding posts
- 1" Russian Plywood for the sides
- 2 x 3/8" flexible plywood for the horn shape
- 1 gallon of glue (Titebond II)
- 3/8" F11 felt for the base top and bottom
- 6 tubes of Quickwood
- many many clamps

I still have to tune the compression chamber, but they sound very good already. More then enough bass They are connected to my Decware Taboo and it has no problem driving them.
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Old 6th October 2008, 04:00 AM   #830
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Picture of the complete setup ... You can see the CAT6 cable hanging from the wall unit waiting for the braiding process
...
Forgot to add to the list the Deflex panels at the back of the compression chamber.
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