First speaker project for the new year

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gbyleveldt

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So I sat with this dilemma - do I buy PC speakers or do I build. Buying is muuch cheaper, but I've been itching to do a speaker build for a while now and figured what the hell.

There's been a lot of to'ing and fro'ing on the design of these, but I think I'm committed on a sealed setup for the satellites and two 6" bass units for the sub. In terms of design criteria, I wanted small units for the satellites in order to limit real estate. So, that kinda dictated going for a sealed type speaker - no problem seeing as I'm using a sub.

The drivers I settled on (more because of what was available rather than any science)
SB acoustics SB26STCN 1" silk domes
88ebfed52cb5e996f9558cbee8375624.jpg


Peerless 3.5" woofers - 2 each
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Then, for the sub, I was donated 2 B&W 683 bass drivers. The alu cones on these were slightly dented from wayward fingers, so the previous owner had them replaced. Doesn't affect the sound at all and, believe it or not, these are really, really awesome drivers and perform really well in small enclosures. Ideal for my needs. The catch? They're not efficient. At All. Gonna need a lot of juice to get these puppies going.

I was also thinking of having a passive XO on the satellites, but splitting lower octaves using an active XO. That means all the electronics can sit in the sub enclosure, and I'll still be able to use the satellite speakers as something in their own right if I wanted to. Also, the goal here is not ultimate fidelity, but I've got a real good feeling on what these drivers are capable of after looking at them a little closer.

Anyway, I've done some cuts on scrap wood I had laying around (did I mention I didn't want to spend a lot of money?)

I've been itching to get my CNC going at the new place. I've also been itching to play with tabs on cutouts:


Getting those Peerless drivers flush would've been a PITA without a CNC with a small bit.


While I'm at it, i can just as well countersink the terminal dish


First time I'm trying an Acrylic paint. This was just for ***** and giggles as I've seen others have tried it before. It's a rather rough finish when applied with a roller - I'm still thinking if i like the finish or if I'm going to re-do it...


Next up is making the enclosure for the bass drivers.
 

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