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Class D Switching Power Amplifiers and Power D/A conversion

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Old 30th August 2011, 02:55 PM   #2291
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Quote:
Originally Posted by Saturnus View Post
Well, that would depend on how much you want to take them off
Well.. Since it says "Panel dimensions: 90(l) x 29(w) cm" i was hoping to reach something in the range of that size instead of the "External dimensions: 98(l) x 34(w)"
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Old 30th August 2011, 04:32 PM   #2292
rubennn is offline rubennn  Denmark
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Originally Posted by Lars Jensen View Post
Any pictures of that ? We're making two boominators so it would be nice if there were a little variation in the designs
Click my signature here on diyaudio.com saying "Boominator (take one)". Here you will find pictures from the first boominator I made (I'm planning to get better at it by building more in the future )
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Wohoo...Boominator 2012
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Old 31st August 2011, 02:33 PM   #2293
ThokN is offline ThokN  Denmark
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Originally Posted by Lars Jensen View Post
Did you make the entire middle compartment a drawer - and if so - doesn't that take a lot of the, already narrow, space? i'm really interested in this kind of idea for the compartment so any pictures describing it in detail, would be greatly appreciated

And did you do anything to lock the drawer so only some people could pull it out ?
Yesy we did make the entire middle compartment a drawer, and it takes a little more space (equal to 2x the thickness of your wood). So you should just make the middle compartment 2x the thickness of the wood wider. Ours is actually even wider than that, since we wanted to have 4 batteries and 2 amps, so the middle compartment is actually:
1x length of battery + 2x thickness of the wood.
The '1x length of battery' is because they are placed like this inside, seen from the top:

EDIT: Crap, it removed all the spaces...will have to redraw it in Paint but I'm out of time right now, so later today
_______________________________
| Speaker ||_Bat__ || Speaker |
| ||_Bat__ || |
| ||_Bat__ || |
| Speaker ||_Bat__ || Speaker |

Where the blue is one 12V pair, and the green is one 12V pair.

Seen from the side:
_______________________________| | Amps | |
| Speaker |_______| Speaker |
| | Batts | |
|______________________|_______| |


Yes we used a sort of flightcase lock similar to this:
Click the image to open in full size.

which we placed just inside the hole where you put the MP3-player so that it was easily accessible, but not visible to others.

I will ask around to get the pictures and upload them
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Old 31st August 2011, 09:15 PM   #2294
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Join Date: Aug 2011
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Quote:
Originally Posted by ThokN View Post
1. EDIT: Crap, it removed all the spaces...will have to redraw it in Paint but I'm out of time right now, so later today

2. Yes we used a sort of flightcase lock similar to this:
Click the image to open in full size.

3. I will ask around to get the pictures and upload them
1. Thanks, i guess the paint drawing will make it a bit more understandable for me

2. Were there any problems with the flightcase lock making any sound ?
that was one of our problems last year (but i'm guessing it has to do with our work rather than with the exact lock)

3. I'm looking forward to see some pictures - love the idea of a drawer
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Old 1st September 2011, 09:46 AM   #2295
ThokN is offline ThokN  Denmark
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Here is the drawing The blue thing is the flight-case lock (it has two parts). An no it did not make any sound at all...it was placed so that it could be firmly locked.

Click the image to open in full size.
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Old 1st September 2011, 11:03 AM   #2296
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Quote:
Originally Posted by ThokN View Post
The blue thing is the flight-case lock (it has two parts). An no it did not make any sound at all...it was placed so that it could be firmly locked.
I now strongly suspect our craftman ship

Anyhow I understand the idea, but can you just make the rooms for the speaker smaller? - doesn't that destroy the volume?
or did you compensate in anyway?
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Old 1st September 2011, 11:28 AM   #2297
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Quote:
Originally Posted by Lars Jensen View Post
I now strongly suspect our craftman ship

Anyhow I understand the idea, but can you just make the rooms for the speaker smaller? - doesn't that destroy the volume?
or did you compensate in anyway?
No, but you can make the electronic compartment as wide as you like.
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Old 1st September 2011, 11:49 AM   #2298
ThokN is offline ThokN  Denmark
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Join Date: Jan 2010
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Quote:
Originally Posted by Lars Jensen View Post
I now strongly suspect our craftman ship

Anyhow I understand the idea, but can you just make the rooms for the speaker smaller? - doesn't that destroy the volume?
or did you compensate in anyway?
It was not hard It doesn't need to be perfect. You can do with a "stiksav" and some screws and you will be fine. It will get a bit heavy though because of the extra batteries, but you could leave them out if you want. You could use only 1 battery and an Amp6, which will make it lighter and not as long. But go for it! It really is not difficult if you don't need it to be absolutely perfect
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Old 1st September 2011, 11:52 AM   #2299
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Originally Posted by Saturnus View Post
No, but you can make the electronic compartment as wide as you like.
then the overall length will just follow - correct ?
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Old 1st September 2011, 11:53 AM   #2300
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Originally Posted by Lars Jensen View Post
then the overall length will just follow - correct ?
Naturally.
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