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Project by kiefer posted 04-02-2014 01:28 AM 2492 views 7 times favorited 21 comments Add to Favorites Watch

All in a days play.
Made this little I PHONE AMP for my wife today and it was a lot of fun .
I saw John Schutz post a couple of these and I thought that it would be fun to experiment with .
The body is made from three layers of maple with the sound channels in the centre one on each side are sound chambers with the having a 3/32” X 2” pine dicc at the back and the same at the front with a 3/4” hole to let the sound escape into the square horn for the lack of a better word .
The two horns are 3/32” pine also and just glued together and glued into a square opening in the front layer of the body .
To charge the phone just flip it over and plug in the cord that way the sound channels stay well separated not connected by the opening required for the cord plug .

It works great and amplifies the sound real nice and clear .

-- Kiefer 松

21 comments so far

View RadioActiveRich's profile


68 posts in 788 days

#1 posted 04-02-2014 01:34 AM

Neat design. I like things like this made of wood. You get the warmth and creativity of wood blended with the modern feel of technology. Retro cool meets modern art. Good job!

View woodshaver's profile


3831 posts in 2624 days

#2 posted 04-02-2014 01:36 AM

Nice job on the AMP Kiefer! It’s very stylish, I like the design.

-- Tony C UAW, St Augustine FL, My high school shop teacher said "You can do it"... Now I can't stop!

View DocSavage45's profile


7342 posts in 2114 days

#3 posted 04-02-2014 01:41 AM


Has your sense of style and purpose! Nice balance of color.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Boris 's profile


189 posts in 2186 days

#4 posted 04-02-2014 01:55 AM

That is pretty cool

View doubleDD's profile


4594 posts in 1314 days

#5 posted 04-02-2014 03:01 AM

A high tech personal boom box Kiefer.
Good fun build. Nicely done.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View longgone's profile


5688 posts in 2580 days

#6 posted 04-02-2014 03:38 AM

Very nice…looks much better than those plastic ampslifiers that are everywhere….

View Daveshefiled's profile


3 posts in 787 days

#7 posted 04-02-2014 05:13 AM

Well it’s creative idea.


View stefang's profile


15331 posts in 2605 days

#8 posted 04-02-2014 07:38 AM

Nice project Klaus.

-- Mike, an American living in Norway.

View jaykaypur's profile


3888 posts in 1679 days

#9 posted 04-02-2014 10:52 AM

Definitely a nice accessory for the iPhone. Good job.

-- Use it up, Wear it out --------------- Make it do, Or do without!

View SPalm's profile


5227 posts in 3153 days

#10 posted 04-02-2014 12:36 PM

That looks pretty cool.


-- -- I'm no rocket surgeon

View RogerBean's profile


1587 posts in 2225 days

#11 posted 04-02-2014 02:08 PM

Cool idea. Sort of low-tech hi-tech. :-)

-- "Everybody makes mistakes. A craftsman always fixes them." (Monty Kennedy, "The Checkering and Carving of Gunstocks", 1952)

View hoss12992's profile


3708 posts in 1164 days

#12 posted 04-02-2014 04:09 PM

This is really cool. Great job buddy

-- The Old Rednek Workshop

View TheWoodenOyster's profile


1274 posts in 1206 days

#13 posted 04-02-2014 05:49 PM

Well done. I think this design might be a little easier to do than hollowing out half spheres for each speaker. I might give this a whirl.

-- The Wood Is Your Oyster

View Blackie_'s profile


4371 posts in 1784 days

#14 posted 04-02-2014 07:10 PM

What a neat project Kiefer.

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at

View Roz's profile


1684 posts in 3058 days

#15 posted 04-02-2014 09:38 PM

Cool, its a wave guide.

-- Terry Roswell, L.A. (Lower Alabama) "Life is what happens to you when you are making other plans."

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