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Acoustic iPhone Speaker in Claro Walnut

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Project by Peter Brown posted 01-27-2014 10:54 PM 3284 views 11 times favorited 9 comments Add to Favorites Watch

I started with a block of walnut 5” x 4” x 2 1/2” (This was actually a cutoff from a local factory that sells bags of blanks for firewood. Since I have strong moral fiber, and cannot bring myself to stoke my fire with Claro Walnut, I rescue as many of the bags as I can.)

Anyway I used a 2” hole saw in my drill press and drilled about an 1 1/2 down on one side of the blank. This will give use the hole for the front and a guide for our speaker ‘bowl’

Next I set up the resaw fence on my band saw. This is something like building a band saw box. You want to cut off the face, or front. I took about a 1/4 slice.

I then took another slice about 1” thick. This should be slightly thicker than the device you will be sliding into it. You should now have two slices of different thickness with 2” holes in them.

Next I carved out the bowl off the remaining blank. I used a set of carving tools that were dull and my skill with them was quite low. I might just use a fornster bit next time and just cleanup the center point with a gouge.

Next I traced the shape of my phone in middle slice, re-traced with chalk for clarity

Then it’s over to band saw. I cut my shape and a channel for the sound to travel to the speaker.

Then I cut a opening on the front slice so I could see the phone buttons but with enough of a lip that it wouldn’t fall forward.

Glue up time.

I then took a 25* cut at the top and bottom to have it sit back and still look symmetrical.

I ended up using one of those cutoffs on the back to give it a bit more stability.

Finish with BLO and add phone…

Here’s a video of the process as well…
http://youtu.be/HE12mMh2rzE

-- Peter Brown - Collector of WD-40 and wood splinters





9 comments so far

View wseand's profile

wseand

2503 posts in 1762 days


#1 posted 01-28-2014 12:52 AM

The iPhone doesn’t deserve it. Nice piece,

-- Bill - "Freedom flies in your heart like an Eagle" Audie Murphy

View Rick M.'s profile

Rick M.

4327 posts in 1100 days


#2 posted 01-28-2014 02:38 AM

Great job on the passive amp and a really good video too.

-- http://thewoodknack.blogspot.com/

View DBoltz's profile

DBoltz

122 posts in 1099 days


#3 posted 01-28-2014 07:49 AM

That is cool. Is there a noticeable increase in sound?

-- Dan, Virginia Beach

View Rick M.'s profile

Rick M.

4327 posts in 1100 days


#4 posted 01-28-2014 08:11 AM

Watch the video Dan and hear for yourself.

-- http://thewoodknack.blogspot.com/

View Peter Brown's profile

Peter Brown

137 posts in 398 days


#5 posted 01-28-2014 03:50 PM

Dan-

At lower volumes there isn’t much difference, but at high volume it is a noticeable increase.

-- Peter Brown - Collector of WD-40 and wood splinters

View Peter Brown's profile

Peter Brown

137 posts in 398 days


#6 posted 01-28-2014 03:50 PM

Thanks Rick!

-- Peter Brown - Collector of WD-40 and wood splinters

View DBoltz's profile

DBoltz

122 posts in 1099 days


#7 posted 01-28-2014 09:15 PM

I can’t view any videos right now…on deployment. I’ll definitely check it out when I pull in port, though.

-- Dan, Virginia Beach

View kiefer's profile

kiefer

3280 posts in 1387 days


#8 posted 01-28-2014 10:30 PM

Nice design and sounds good too .

-- Kiefer 松

View a1Jim's profile

a1Jim

112503 posts in 2297 days


#9 posted 01-28-2014 11:07 PM

Nice work Pete

-- http://artisticwoodstudio.com Custom furniture

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