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Old 28th December 2011, 04:37 AM   #1
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Talking 1st Project!

I am ready and eager to start my first project.

I would like to have a good pair of speakers to improve basically the Flat Screen TV sound. No plans for a Sub at the moment but maybe after I finish the main speakers.

I have decided what I like to start with. Planning to build my first pair of speakers (Arro-inspired ML-TL 0v9).

Already found a good source for the 3/4" Baltic Birch Ply and the price is also very good. The plan calls for 1/2" ply but the lumberyard only stocks 3/4". Can I alter the plans or is this a big NO?

Will use the CSS EL70ML-TLERT26 combination with crossover from Creative Sound ($105.00 + shipping)

Am I in the correct path?

Any advise will be very appreciated!

Luis
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Old 28th December 2011, 05:28 AM   #2
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Quote:
Originally Posted by ltorcida View Post
...
The plan calls for 1/2" ply but the lumberyard only stocks 3/4". Can I alter the plans or is this a big NO?
That is fine. Maintain the internal dimensions.

Quote:
Am I in the correct path?
Any advise will be very appreciated!
Sounds like a plan to me. Do try the EL70 by itself so that you know exactly what the tweeter is adding.

Looking forward to your comments.

dave
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Old 28th December 2011, 05:47 AM   #3
zman01 is offline zman01  Bangladesh
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Luis,

Also please make sure that you start breaking in the EL-70 with soft music. The drivers will sound better and better as you get hours on them. Mark Fenlon advises 4-6 hours of break in at a time at low volumes. As hours increase you can up the volume a bit and start introducing a bit more rhythmic music.

All the best for your project and keep us posted on the progress.

-Zia
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Old 28th December 2011, 06:01 AM   #4
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3/4" plans
Attached Files
File Type: pdf EL-rro-MLTL-34-0v9-271211.pdf (49.3 KB, 273 views)
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Old 28th December 2011, 02:32 PM   #5
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Thank you guys!
Tomorrow I will pick the plywood and if the time during the long weekend allows, I will start cutting the components.

Planet10..Thank you for the plan, this is exactly what I was looking for.
Can I use a heavy base instead of the box with sand? Since that is purely for stabilization, I think I can use a heavy natural granite plate.
Also, how do I keep the stuffing from falling down to the base?

Will take pictures of the whole process to post here.!

Again ,Thank you guys!
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Old 28th December 2011, 05:29 PM   #6
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Here is the Sketchup Model in exploded view.

I will do the cutting layout now. Since I plan to veneer the speakers I will optimize the cutting layout for a 5'x5' BB Ply.

Click the image to open in full size.
Click the image to open in full size.
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Old 28th December 2011, 06:42 PM   #7
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Nice pick See here what I have to say about the EL70: Full Range Speaker Photo Gallery

I hope you find it also as enjoyable.

About the tweeter... I have grills on mine and the treble is plenty fine. I've heard 4 or 5 different pairs of EL70 and the treble has always been fine to me. I've also measured the EL70 (twice, 2 different pairs), and the treble is extended all the way to 20khz.

Go ahead and order the tweeters if you'd like, but do what Dave suggested, and evaluate EL70 naked before settling on using the tweeter. You may find avoiding a high frequency xo to preserve the amazing sound of the el70.
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Old 28th December 2011, 07:52 PM   #8
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Quote:
Nice pick See here what I have to say about the EL70: Full Range Speaker Photo Gallery

I hope you find it also as enjoyable.

About the tweeter... I have grills on mine and the treble is plenty fine. I've heard 4 or 5 different pairs of EL70 and the treble has always been fine to me. I've also measured the EL70 (twice, 2 different pairs), and the treble is extended all the way to 20khz.

Go ahead and order the tweeters if you'd like, but do what Dave suggested, and evaluate EL70 naked before settling on using the tweeter. You may find avoiding a high frequency xo to preserve the amazing sound of the el70.
Thank you for the advice. I will go with the EL70 alone and see how the sound is. Since this is the first time I'm building speakers, I can't even compare against other speakers.

Last edited by ltorcida; 28th December 2011 at 07:56 PM.
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Old 28th December 2011, 08:05 PM   #9
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Dave, is that a new design? I don't think I've seen it before.

I second Tux's impressions of the EL70. I bought a pair in the summer after hearing them in a few boxes. Planet 10's Mar-Kel70 blew me away every time I heard them.
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Old 28th December 2011, 11:02 PM   #10
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The 3/4" drawing is new, but a 1/2" mat'l drawing has been available from Creative Sound for some time. Listed as part of a two way kit. Here's my Sketchup version scaled for 15mm BB.


Quote:
Originally Posted by KyleinCowichan View Post
Dave, is that a new design? I don't think I've seen it before.

I second Tux's impressions of the EL70. I bought a pair in the summer after hearing them in a few boxes. Planet 10's Mar-Kel70 blew me away every time I heard them.
Attached Images
File Type: jpg EL70 ARRO style.jpg (27.3 KB, 219 views)
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