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Multi-Way Conventional loudspeakers with crossovers

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Old 27th February 2007, 04:20 PM   #1
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Question Please help a noob...

Hello everyone, as part of a school project I am building essentially a gainclone amp (an LM3875 per channel) and I need to build speaker(s) for it. I know very little about speakers or speaker building. I could just simply hook up any cheap speaker to the amp for the project, but if I'm going to be spending money I might as well have something that I can use after the class is over.

I have decent skills in woodworking and access to tools. Are there any easier to build bookshelf size speakers that give a full range of sound and will get impressively loud? I have looked at the project gallery on parts express - the podzuma looked interesting but I think I would rather have 2 boxes than 1 big 1.

I appreciate any advice or suggestions. Thanks in advance
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Old 27th February 2007, 04:37 PM   #2
sreten is offline sreten  United Kingdom
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Hi,

I'd look no further than here :

http://www.zaphaudio.com/BAMTM.html

/sreten.
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Old 27th February 2007, 05:14 PM   #3
sreten is offline sreten  United Kingdom
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Hi,

But if you like the podzuma simply build two speakers.

/sreten.
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Old 28th February 2007, 04:25 AM   #4
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Thank you for the responses. The Zaph website looks intriguing. But I have to ask about splitting the podzuma in half - is it as simple as it sounds?

Also, while I'm not looking for thumping bass, I don't want a tinny sounding speaker. How do these speakers really sound?

Again, thank you...

Doug
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Old 28th February 2007, 09:22 AM   #5
sreten is offline sreten  United Kingdom
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Hi,

Splitting them is a simple as it looks.

THe BAMTM is a hi-fi speaker - the podzuma is not and has no low bass.
The podzuma speakers will make a lot more noise with low input power.

For personal use I'd say the extra low bass weight of the
floorstanding ported BAMTM makes this the best choice IMO.
(Plenty of info on built versions if this if you search)

The podzuma based speakers would be best suited to a portable
system, e.g. a small vocal PA for live music or similar. If you build
theses I'd tune the ports to around 50Hz for more lower bass.

/sreten.
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Old 28th February 2007, 02:46 PM   #6
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The BAMTMs will not sound "tinny." They are a very high fidelity, high value speaker system that will sound very realistic and accurate. The ported design will give plenty of bass.
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