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Multi-Way Conventional loudspeakers with crossovers

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Old 9th April 2012, 12:34 PM   #1
MrNick is offline MrNick  United Kingdom
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Default Small speaker project

Hey guys, new here.

For my college project I want to build and design a set of small speakers. I want these to be of reasonable quality as I am going to use these myself afterwards.

My first thoughts was a two way system, however I have no idea how to wire crossovers or what drivers/tweeters to use together.

Someone has mentioned to me that a full range speakers are much more simple to wire but cabinets are more complex, so would a pair of these be more suitable?

My college course is General Art and Design, so if anyone can give me inspiration on funky, yet good enclosure designs, that would be fantastic.

Sorry if this is posted in the wrong place.

Many thanks.
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Old 9th April 2012, 01:52 PM   #2
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Hmmm "Funky" See Andy Graddons website for funky
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Old 9th April 2012, 02:38 PM   #3
mikje is offline mikje  United States
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The Parts Express TechTalk forum is about 99% DIY speaker oriented. If you look around the site, you'll probably find something you like. And I'm sure you can get as much help as you need. A lot of people like the funky side of speaker building too.
http://techtalk.parts-express.com/
Mike
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Old 9th April 2012, 04:21 PM   #4
MrNick is offline MrNick  United Kingdom
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I have found this plan for a Full range speaker, what sort of sound quality can I expect from this enclosure, from reasonably prices drivers that would suite it?

Clicky

Many thanks

Last edited by MrNick; 9th April 2012 at 04:26 PM.
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Old 9th April 2012, 05:09 PM   #5
MrNick is offline MrNick  United Kingdom
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I have just read that Single driver speakers are only really suitable for moderate sound levels and music such as voices and jazz? How true is this information?


Thanks
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Old 9th April 2012, 05:30 PM   #6
MrNick is offline MrNick  United Kingdom
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I have come across this speaker kit, can somebody please pass their eyes over it and tell me whether it is any good.

Many thanks, Nick
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Old 9th April 2012, 08:40 PM   #7
gfiandy is offline gfiandy  United Kingdom
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For £40 you are not going to get the best drivers in the world. It is a very simple first order electrical crossover, which means the frequency response is probably going to be poorly controlled.

However the statement in the add is probably true it will sound allot better than a pair of speakers you could buy for £40.

You are not going to get massive volumes from speakers of this type. If you want to achieve student party levels the easiest way is to buy larger drive units as they are usually more efficient. However if you have a smallish room the will probably be enough.

At least it simplifies your problem to building a funky cabinet for them.

If you told us more of what you want to get out of the speakers then we could tell you more about what drivers and solution you need. For instance how power full is your amplifier. If it is a tube amplifier then you will need a very sensitive speaker. If it is a 1000W PA amplifier then something based on PA drivers would have more chance of surviving.

Do you want to use it for parties.

What sort of music do you like and how loud do you normally listen.

Regards,
Andy
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Old 9th April 2012, 09:39 PM   #8
sreten is offline sreten  United Kingdom
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Quote:
Originally Posted by MrNick View Post
I have come across this speaker kit, can somebody please pass their
eyes over it and tell me whether it is any good. any thanks, Nick
Hi,

Its cheap and cheerful and very good value for £40 delivered.
The bass driver specs :

Resonance: 50Hz
Sensitivity: 89db 1w@1M
Impedance: 6 ohms
Power: 60 watts nominal
Frequency range: 46-6000 hz
Qms: 1.48
Qes: 0.57
Qts: 0.41
Vas: 29.5 litres
Chassis: 180mm square
Baffle cutout hole: 140mm

Its designed to work in a ~ 10L sealed box, ~ 15L vented box.

The simple x/o almost certainly has no built in BSC and the driver Qts
is low enough that it would work well in decent sized BIB's and BVR's
designed for FR drivers to boost the low adding some BSC.

The tweeter may need some padding to bring it level with the bass/mid,
it really is a cheap x/o, but the drivers alone are easily worth £40.

FWIW the kit should work well in the FreddieChang BVR posted earlier.
Fill the triangulated section with sand for stability and damping. Add
some bracing. Top needs foam lining. Possibly invert the drivers, i.e.
bass/mid top, tweeter just below. possibly offset tweeter centre to
0.6 of baffle width and build mirrored pairs. Bass can be adjusted
by adding pillow stuffing behind the driver.

They will go lot louder than a FR, and for the price hard to better.

rgds, sreten.
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Old 9th April 2012, 09:46 PM   #9
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Andy seems to have shut own completely
Argos Loudpeakers seems to be no more.
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Old 9th April 2012, 09:52 PM   #10
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maybe u should build something like the Cyburg needles or Frugal Horn MK3

Cyburgs-Needle for Tangband W3-871S

Frugel-Horn Mk3
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