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Multi-Way Conventional loudspeakers with crossovers

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Old 9th March 2009, 10:49 AM   #1
domtw is offline domtw  France
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Hello everybody,
This is my first post in this forum.
To introduce myself: I am a French sound lover and audio diyist.
This is my last home made speaker:
Click the image to open in full size.

The drivers used:
Woofer: Vifa PL22WR09-08
Midrange:Vifa PL11MH09-08
Tweeter:Seas 27TFFC

The crossover frequencies are (12db)300Hz(6db) and (6db)4000Hz(12db)

I still have a lot to learn in this field and I think this forum will be very helpful.
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Old 9th March 2009, 11:34 AM   #2
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Hello and welcome!

Quote:
Originally posted by domtw
I still have a lot to learn in this field and I think this forum will be very helpful.
With a DIY project like that? I think you also have a LOT to
teach us in this field

Fabulous job!
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Old 9th March 2009, 11:48 AM   #3
terry j is offline terry j  Australia
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that is MY type of speaker look.

is that leather (or look alike) on the box side? Nice twist and touch.
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Old 10th March 2009, 03:19 AM   #4
domtw is offline domtw  France
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It is real leather for the front panels, tops and bottoms.
Fake leather on the curved sides.
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Old 10th March 2009, 03:23 AM   #5
terry j is offline terry j  Australia
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I( will admit that your use of 'leather' on the sides has me furiously thinking of it on my sides. thanks, always good to suddenly go off in another direction after seeing something else.

any build pics I can get further inspiration from?

have you applied it direct to the panel or is there some sort of foam?

Very nice joint work on the leather...hmmmmm

a few build pics would be sweeet

so the leather stretches quite well at the corners of the baffle etc? or is there some trick of the trade

stunning, I am envious
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Old 10th March 2009, 11:07 AM   #6
domtw is offline domtw  France
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I will post some building pictures later... (I am in the office now)

The leather is applied directly, glued.
Yes, the real leather stretches quite well at the corners. Much better than the fake leather would...
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Old 10th March 2009, 12:34 PM   #7
terry j is offline terry j  Australia
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Quote:
Originally posted by domtw
I will post some building pictures later... (I am in the office now)

The leather is applied directly, glued.
Yes, the real leather stretches quite well at the corners. Much better than the fake leather would...
look forward to it, thanks. have already dashed out ans bought some fake leather, and started doing experiments.

sorry, but I am stealing your idea! and my enthusiasm for the project has been re-juvenated.

glad you posted.

not sure the extra expense for leather is worth it? how about from your end, is there a substantial difference in feel, look or whatever?
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Old 10th March 2009, 03:07 PM   #8
domtw is offline domtw  France
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Here are a sample of pictures, showing the different parts and different inside cuts...
Click the image to open in full size.

I thought I made more picture but obviously I was too busy in the construction process to take a lot of shots.
I don't have images of the leather part...
The tops and bottoms covered with leather mainly have a decorative purpose, exch box is already closed without them...
I could disassemble some tops or bottoms and take pictures but I wont do that right now, you might have to be patient.
For the leather, the technic is quite simple: each bottom, top and front panel are fixed to the boxes with wood pegs. There is also one extra thin plywood glued on the inner side of each of them, about 10mm smaller from from the edges. This way, the extra thickness of leather coming back inside is compensated and it wont temp to push the parts apart...
Stretching the leather around the corners isn't that difficult and after a short practice it will go smoothly. Use some staples to keep it tight while the glue dries.

The front panels themselves are now glued and cannot be disassembled but the tops and bottoms are not glued yet, they are fixed to the cabinets with the wood pegs...

I also take ideas from others and I am happy than others take mine...

What is your project ? Also in separated cabinets ?
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Old 10th March 2009, 03:07 PM   #9
domtw is offline domtw  France
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About the real leather: of course it looks and feel better than the fake one.
My first idea wasn't leather (real or fake) for the curved sides. So I didn't have enough of the real one. but I am quite happy with the result and the 2 materials together.
The real one cost much more, that's a fact. But I am lucky to know a big leather distributor who could sell it to me for a reasonable price...
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Old 10th March 2009, 05:43 PM   #10
sreten is offline sreten  United Kingdom
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Quote:
Originally posted by domtw

The drivers used:
Woofer: Vifa PL22WR09-08
Midrange:Vifa PL11MH09-08
Tweeter:Seas 27TFFC

The crossover frequencies are (12db)300Hz(6db) and (6db)4000Hz(12db)

Hi,

Nice work. IYDMMA how did you design the crossover ?

/sreten.
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