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Multi-Way Conventional loudspeakers with crossovers

SEAS A26 build
SEAS A26 build
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Old 16th January 2017, 12:12 AM   #11
bk856er is offline bk856er  United States
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SEAS A26 build
More progress.

Constructed a sweet clamping station to aid the routing. That table is 3 layers of 1" hardwood ply in most places + a laminate top.

Got all the 3/4" rebates done. Happy with the outcome. Took two passes with the "big bertha" bit. It's a mean chunk of metal! By design there'll be ~2-3mm overhang on most edges that I'll flush trim with a compression bit after glue-up.

Next I'll commit to an internal brace design and add some dados for that.

BK
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File Type: jpg 1-IMG_3155.JPG (633.9 KB, 701 views)
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Old 16th January 2017, 12:33 AM   #12
zman01 is online now zman01  Bangladesh
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Good to see the build progressing.

Done the baffles yet?
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Old 16th January 2017, 12:40 AM   #13
bk856er is offline bk856er  United States
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Originally Posted by zman01 View Post
Good to see the build progressing.

Done the baffles yet?
No - ran out of daylight today. Maybe next weekend if it's dry...

BK
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Old 22nd January 2017, 10:30 PM   #14
bk856er is offline bk856er  United States
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Not much real progress, but I trimmed up some pieces due to a pesky mental math error and got to dry fit everything including the bracing. Looking alright and getting to know my tools. Wish there were more dry days!

Some of the track saw cuts were not as perpendicular as I expected. Hoping I can use the router to tidy those up. Any tricks?

BK
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Old 26th January 2017, 04:13 PM   #15
zman01 is online now zman01  Bangladesh
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Hi BK,

Look forward to some updates during the weekend.
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Old 27th January 2017, 03:41 AM   #16
bk856er is offline bk856er  United States
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Originally Posted by zman01 View Post
Hi BK,

Look forward to some updates during the weekend.
Ah, you've caught onto my modus operandi.

Now have a solid plan to square up the edges - mainly for my OCD. No rain is forecast, so outlook for progress is good.

Lessons learned thus far:

(1) Know your tools and set them up carefully.
(2) Fixing little problems can be time consuming - invest care upfront.
(3) You can never be too precise, even with wood.

BK
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Old 27th January 2017, 07:02 AM   #17
zman01 is online now zman01  Bangladesh
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Quote:
Originally Posted by bk856er View Post
Ah, you've caught onto my modus operandi.


Quote:
Originally Posted by bk856er View Post
Lessons learned thus far:

(1) Know your tools and set them up carefully.
(2) Fixing little problems can be time consuming - invest care upfront.
(3) You can never be too precise, even with wood.

BK
Good lessons learned - and thanks for putting it in writing.

Hope you can clean up the itsy-bitsy stuff soon and get the speakers up and running. Your amps are waiting...
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Old 30th January 2017, 01:16 AM   #18
bk856er is offline bk856er  United States
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Spectacular weather this weekend for making sawdust.

Squared all the edges that needed it with a poor-man's jointer. Created a razor sharp reference surface on my bench, clamped the pieces down and routed them perpendicular with a large compression bit riding on a bearing. Because even a thin pencil has width, I've now adopted a marking knife method. Below is before/after taking off ~1mm to adjust fit.

Got all my dados precisely cut for the bracing.

Cut the rebates for the drivers - perfect dimensions. Starting to resemble actual speakers! Still pondering how to best tackle the front vent slot.

BK
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File Type: jpg 2-IMG_3167.JPG (413.1 KB, 453 views)
File Type: jpg 3-IMG_3169.JPG (365.0 KB, 166 views)
File Type: jpg 4-IMG_3170.JPG (446.0 KB, 203 views)
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Old 30th January 2017, 03:02 AM   #19
zman01 is online now zman01  Bangladesh
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Pieces look super accurate, and the OCD is clearly showing...

Please get the vent slot sorted out soon - we actually want to see the real speakers.
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Old 4th February 2017, 12:33 PM   #20
akarma 76 is offline akarma 76
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What affordable tweeter i can use in A26 kit? May be Seas H1189 or Wavecor TW030WA11-01?
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