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All Fun Horn part1

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Project by mccreamark posted 09-23-2008 10:29 PM 4257 views 2 times favorited 6 comments Add to Favorites Watch

Hi again, this my current project ,this my next speaker,They are in my bedroom being tested.
In the world of horn speakers bigger is better I wanted to build a pair 8 feet tall but was reminded that I can,t really walk never mind carry these monsters into our tiny house!
When I play a piano CD it sounds like a real piano, really real!
These are Lowther’s English speakers there is a magnet on these babies half the size of a bowling ball and the cabinet design is Kietel Patlow’s “All Fun Horn”.
I got the plans from Jon Van Halen of Lowther America.
They slightly smaller than the last ones dimensions are 1100mm tall by 500 deep and 300mm wide at the front the back bottom corner is cut off for the horn mouth opening. I built the cabinet from 18mm ply and will cover this with 8mm solid ash then stain and finish .This project shows the inner workings of the back loaded horn design.
I just got the wood last week and hope to start preparing the 1” ash .I plan to get it planed to about 24mm x300mm x 1100mm boards and then rip it on my Felder, the rip blade kerf is 4mm so I should be left with 2×10mm thick boards with 2mm for cleanup i will cover the speaker in 8mm boards.
I thought about ripping veneer on my band saw but it won,t cut more than 130mm and thats at a pretty slow feed with a Starett 4tpi blade.I don,t have the spare cash to get a better ripping blade for the bandsaw yet, I spent it all on the wood.
I have to decide how to make them stand upright as the back corner is chopped.Some people just keep the back going down I may try something different or not!
I may be a while as I am pretty slow these days. I don,t mind as I may less mistakes I couldn’t rush if I wanted to but I will post a part 2 now with more pictures and part 3 when it’s done
Thefirst pictures shows the inside and shows how the sound travels as the horn gets bigger
and it gets louder.
The other 2 on shows one speaker on the slider.
Mark





6 comments so far

View lew's profile

lew

10128 posts in 2477 days


#1 posted 09-23-2008 10:44 PM

Bet those things can rattle the windows!

Nice air plane!!

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View GaryK's profile

GaryK

10262 posts in 2710 days


#2 posted 09-24-2008 05:42 PM

Nice saw also!

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View swis66's profile

swis66

6 posts in 1859 days


#3 posted 10-23-2009 08:28 PM

Very cool!!

View a1Jim's profile

a1Jim

112520 posts in 2299 days


#4 posted 10-24-2009 03:32 AM

Big time

-- http://artisticwoodstudio.com Custom furniture

View Drew's profile

Drew

136 posts in 1822 days


#5 posted 12-30-2009 01:56 AM

Is that a folding horn or a transmission line?

-- That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.” ― Aldous Huxley

View mccreamark's profile

mccreamark

39 posts in 2255 days


#6 posted 12-30-2009 02:16 AM

Folding

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