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Multi-Way Conventional loudspeakers with crossovers

Suitcase Stereo
Suitcase Stereo
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Old 9th September 2008, 03:26 AM   #1
rockgardenlove is offline rockgardenlove  United States
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Join Date: Sep 2008
Default Suitcase Stereo

Hi,
For a school project, I was thinking about building a suitcase stereo. That is, a reasonably loud, and decent sounding stereo that can fit inside an old school plywood suitcase. I figure a wooden suitcase is a must, because that way it won't rattle around and it will have some mass.
But besides that, will this sound any good, in terms of speaker enclosure?

I would use two speakers, in stereo. Should I isolate the two halves of the suitcase so the speakers don't share air-room?

What kind of speakers should I use? Car stereo speakers?

What should I do in regards to bass response?

I was thinking about angling the speakers apart from each other, so they don't face straight forward. The left speaker would point a few degrees to the left and the right a few degrees to the right. Would this help stereo response or just throw the acoustics off and make it weird?

I'm not going for super-audiophile sound at all here, I just want something that's cooler than a boombox and hopefully will have a bit more sonic mass.

Oh, and how many watts should I expect to be able to squeeze into a suitcase? How much volume before stuff goes wonky?

Should I do something like put wadding in the airspace behind the cones?

If anybody could help me out, that'd be great.

Thanks!
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Old 9th September 2008, 09:46 AM   #2
PeteMcK is offline PeteMcK
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Join Date: Feb 2002
Location: Western Sydney
if you let us know your budget, and the internal volume of the suitcase, I'm sure someone can recommend suitable drivers.
The amount of power depends on how you are going to power the amp, - batteries, mains?
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Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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Old 9th September 2008, 11:38 AM   #3
sreten is offline sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK
Hi,

One of Henry Kloss's classics is the suitcase 3 piece speaker.

The suitcase can be a typical airtight moulded ABS type.

Essentially it has foam compartments for two small speakers,
an amplifier and the source, stereo radio or cassette / Cd Walkman.

In use these are removed. But the case is also the subwoofer ....

An ABS type will not rattle too much used as a subwoofer only.

The chip amp type amplifier with active c/o might be difficult.

Back to more your original idea see :
http://www.partsexpress.com/projects...roject=Podzuma

/sreten.
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