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Old 27th July 2009, 01:51 PM   #1
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Default need some pointers to find the right design

Hi there,

quite possible I'll receive some flak for this, but here's my problem.

I did some reading in this forum, saw different designs, but the problem is, there are often abbreviations used and it seems, that everything depends on a bazillion of factors. Also these design threads tend to break 1000+ posts rather easily making them a pain to read completly.

This also makes the learning curve quite steep for a newbee like me.
Built some tabaqs from my z-5500 drivers and a gainclone and they make me quite happy.

But the sickness combined with some free time hit me hard.
I also made the mistake of drooling over pictures of awesome speakers.

So here I am. My plan is get more experience in woodworking and also an efficient design for my room. (volume wont be the problem, the room is small).

I really like horn designs, as they seem to get a lot out of fullrange drivers, but the thread about the frugels confused me more than anything.

-Budget would be 100-150 for the drivers which includes the famous FE126E.

-Size of the frugels is about the max I could take in my room, but then again I'm a nerd, so what.

-I can't put them directly into the corner, but they will be (don't have to though) close to the wall (~30cm).

-I don't care about build complexity, as I want to learn something in the process.

I don't expect to be spoon fed here, but I'd really appreciate some pointers.
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Old 27th July 2009, 02:50 PM   #2
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1/ How large a room is it (small being a relative term)?
2/ How well damped is the aforementioned room?
3/ Listening distance?
4/ What is the rest of the system like?
5/ What sort of material is played?
6/ What sort of presentation do you favour? etc.
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Old 27th July 2009, 05:03 PM   #3
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A good step up from the Tabaq would be the BIB's.

Advantage: works with FE126

Has a handy calculator at zilla speak to give dimensions

The BIB doesn't necessarily need a corner. Some have found too much bass snugging them in tight to a wall. I'm one of those.

The footprint of the BIB is fairly small but it does need height.
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Old 27th July 2009, 05:06 PM   #4
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1. the room is about 3x5 meters and the speakers would probably be placed along the long wall. at least I wont be able to put the right into a corner.

2. the room is not well damped at all. I can hear almost everything happening in the rest of the house.
But I'm a headfi guy, and the speakers will be used mostly when I'm alone.

3. 2-3m

4. Dac is an opus with wolfsons WM8741, preamp a CKK3. both should be highendish. And finally a snubberized LM3886 gainclone.

5. Sorry but I can't narrow that down. I love Pink Floyd, but also Jazz, Metal, female vocals... its a mess

6. I really like tight, non muddy bass and treble that isn't to harsh.

Thanks for helping me clarify
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Old 27th July 2009, 05:42 PM   #5
hm is offline hm  Europe
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Hello Lifthanger,

may be my KORNETT would be a good solution.

Click the image to open in full size.

Click the image to open in full size.

measurement, feedback, plan
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Old 27th July 2009, 10:43 PM   #6
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thanks! I'll do some reading on the BiB and Kornett.
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Old 28th July 2009, 03:17 PM   #7
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the kornett seems really interesting, but because of the need for four drivers I'll have to save it for later. 4 good drivers would break my budget at the moment.

now reading up on the bib.
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Old 28th July 2009, 03:27 PM   #8
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i have absolutely no expirence with the fullrange ...

may i ask what is this particular labyrinth for ????

also what is the frequency response of this kornet ???
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Old 28th July 2009, 03:43 PM   #9
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this is the kornetts site link
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Old 28th July 2009, 05:29 PM   #10
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ok I think the BiB would be nice. If I understand correctly this is a horn design and the large open surface on the top helps the driver to reach lower frequencies.

loninappleton which drivers did you use for your BiB.

And could someone tell me what the blue dashed line is in these graphs?

pretty sure the red line is measured sonic pressure level of the driver (speaker) but what's the blue line? something like optimal spl?

thanks again.
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