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Multi-Way Conventional loudspeakers with crossovers

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Old 6th January 2004, 03:14 AM   #1
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Join Date: Dec 2003
Location: California
Default First DIY Audio project, need help and advice

Thanks for everyone's help about helping me with the 3-way questions I had. I've now decided that I will start with something a little easier first. I've decided to build the Dayton Budget Project as my first DIY. http://www.speakerbuilder.net/web_fi...ts/DBP/dbp.htm

I need some help to make sure that I am getting all the parts that I will need. I will be ordering from PartsExpress. I know I am ordering the correct drivers

275-070 DAYTON 1-1/8" SILK DOME TWEETER
295-300 DAYTON 5-1/4" SHIELDED WOOFER

What I need to make sure is that I am getting the correct parts for the crossover.
Click the image to open in full size.

For the Woofer XOVERs

4 004-8 DAYTON 8 OHM 10W NON-INDUCTIVE
2 260-735 1.5mH AIR CORE INDUCTOR
2 255-220 JANTZEN .33mH 18 GA AIR CORE INDUCTORS
2 027-419 DAYTON 4.3uF-250V POLYPROPYLENE CAPACITORS
30ohm and 4ohm resistors in series to make 34ohms
2 004-30 DAYTON 30 OHM 10W NON-INDUCTIVE
2 004-4 DAYTON 4 OHM 10W NON-INDUCTIVE
10uF and 1.5uf capacitors in parallel to make 11.5uf
2 027-428 DAYTON 10uF-250V POLYPROPYLENE
2 027-412 DAYTON 1.5uF-250V POLYPROPYLENE

For the Tweeter XOVERs

2 004-8 DAYTON 8 OHM 10W NON-INDUCTIVE
2 255-058 JANTZEN 4.00mH 20 GA AIR CORE INDUCTORS
2 027-432 DAYTON 15uF-250V POLYPROPYLENE
2.2uf and (2) 0.1uf capacitors all in parallel to make 2.4uf
2 027-415 DAYTON 2.2uF-250V POLYPROPYLENE
4 027-400 DAYTON .1uF-250V POLYPROPYLENE

Also what else do I need? I know I need to get some 3/4" MDF. What about terminal cups? Please let me know what else I should buy because I would like to get everything first and not have to reorder anything I missed. Thanks for all the help again.
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Old 6th January 2004, 09:28 PM   #2
sreten is offline sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK
Don't know how much it will all cost but the BR1
kit including cabinets seems a better bet to me.

Only thing I would add is damping the walls.
I'd use cheap vinyl floor tiles, about five layers,
covering the majority of each wall and the back.

sreten.
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Old 6th January 2004, 09:48 PM   #3
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Location: Calgary, Alberta
Quote:
I know I am ordering the correct drivers
If I were building this I would use the round frame version of the woofer, which I believe is 301 instead of 300. It's been reported that the drivers are identical otherwise. You may want to search on the PE forum to confirm.

You need terminal cups, wire, and something to assemble the crossover on. Some use MDF, I like hardboard instead to save weight.
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Old 7th January 2004, 12:25 AM   #4
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I think I will go with the BR-1's now. It seems like the same type of speaker and seems very easy to put together. I will try these first and then I will move on to something larger as I'm making these for my bedroom and still need speakers for the living room.
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