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Old 24th February 2008, 12:00 PM   #1
iihay is offline iihay  United Kingdom
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Default First time build PAWO FE127E

Wish me luck chaps, after building some lovely amps last year (GB150 kit not my design!) I am just starting my first ever speaker build. After much lurking I decided to build the PAWO with FE127E drivers. I am building out of baltic ply and so far have the pieces cut oversize for the speakers. Today I am going to start marking up and trimming to size.

Any general tips for my build?

I plan to:

Measure, measure and measure again on each piece.

&

Clamp everything with as many clamps as possible!

I plan to do the front last as I have never even used a router before so I need to practice on some scrap. Should the driver be recessed for this build and if so how on earth do I recess the shape of the driver as it's not round

Any tips would be greatly appreciated, I think I have read all the info on the PAWO I can find on here but simple pointers are always appreciated.

Cheers

Iain

p.s. Actually I am doing 2 builds I have some CSS125's as well which are not supposed to work that well in these but I am going to make them both and have listen.
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Old 24th February 2008, 03:44 PM   #2
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At this stage of the game, I'd check the table saw for square and sharp blade. The piece should touch the same on the front side of the blade as the exit side plus checking for vertical.
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Old 24th February 2008, 04:26 PM   #3
iihay is offline iihay  United Kingdom
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Quote:
Originally posted by loninappleton
At this stage of the game, I'd check the table saw for square and sharp blade. The piece should touch the same on the front side of the blade as the exit side plus checking for vertical.

Nice tip, I've been using some old bits of wood to cut used to using it as I've never done this before and I am not 100% convinced it is a square cut at the moment. Will try and tweak it

Iain
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Old 24th February 2008, 05:45 PM   #4
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I watch those dvds from Fine Woodworking magazine which are available at libraries with titles like "mastering your table saw." There may be something in clips on YouTube for this as well.

FWW might have a clip.
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Old 3rd March 2008, 08:43 AM   #5
Akita is offline Akita  Malaysia
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Hi iihay,

I am building this pawo design too. I just have all the pcs glued.
Before I go futher, Can I paint the internal path?
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Old 3rd March 2008, 09:53 AM   #6
iihay is offline iihay  United Kingdom
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Same point as me then, mine are all glued as well. I am not sure about paint. My buring questions are:

1. What is the best type of damping to use in the chamber, a lot seems pretty thick and there is not mush space in there.

2. Do I need to seal the inside in some way? Mine are in baltic birch ply.

3. Do I need to fit the drivers flush or where can I get a supra baffle like the lovely one on somebody has round here, planet10 site has the pics.

I must upload some pics, what have you built yours in?

Iain
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Old 3rd March 2008, 10:50 AM   #7
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Suprabaffle = solid hardwood; get a nice piece of seasoned material ~1in thick & your local friendly cabinetmaker to turn it on his lathe.

Damping is very much down to taste. I like ~1/2in wool felt myself.

Re sealing or painting the inside, sure, if you feel like it.
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Old 3rd March 2008, 01:40 PM   #8
iihay is offline iihay  United Kingdom
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Thanks, any thoughts on the bitumen type damping? Looks like an easy thing to apply. It's a strange requirement but I have a worry that if the cats bring a mouse in it could take up residence in the speaker, felt is probably comfy but bitumen would put them off!

Cheers

Iain
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Old 3rd March 2008, 02:39 PM   #9
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Well, as it really only needs some in the upper chamber, methinks a cat or mouse would be going some to reach it.

Bitumen is really for a different type of damping requirement.
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Old 3rd March 2008, 02:49 PM   #10
iihay is offline iihay  United Kingdom
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Ok, will get me some felt, they're tricky devils though (mice) get everywhere. Any good sources for felt in the UK? Not something I have every bought, some kind of upholstery or sewing shop I guess?

Cheers

Iain
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