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Class D Switching Power Amplifiers and Power D/A conversion

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Old 22nd June 2011, 10:17 AM   #1911
donnib is offline donnib  Denmark
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Originally Posted by rubennn View Post
A smaller 10 W panel should also do. There is kerychip.dk which has some nice prices compared to the rest of Denmark. Otherwise there is 2 of those 5 W panels from electrozone.dk. Their prices are also not as extreme as many others.

EDIT: This 10 W panel should fit (unless someone begs to differ)... Although this is a monocrystalline solar panel which will not charge as much as an amorphous panel when cloudy. But it's cheap as hell
Cool web page.

I found this one which is to big unless you can take the aluminum frame off.

KeryChip WEBSHOP - solceller, solcelleanlæg, tilbehør
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Old 22nd June 2011, 10:36 AM   #1912
rubennn is offline rubennn  Denmark
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You can't... I have it at home. It says that it's an aluminium frame but it's truly a hard plastic frame which isn't removable. It's melted to the glass. And even if you could, I still think it would be too big.

I'm gonna build something larger next year using this panel. I'm gonna figure out in the meantime. But until then it's not suitable for the boominator's top surface.
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Old 22nd June 2011, 10:38 AM   #1913
donnib is offline donnib  Denmark
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You can't... I have it at home. It says that it's an aluminium frame but it's truly a hard plastic frame which isn't removable. It's melted to the glass. And even if you could, I still think it would be too big.

I'm gonna build something larger next year using this panel. I'm gonna figure out in the meantime. But until then it's not suitable for the boominator's top surface.
damn it......

then we have this one which is the model slightly bigger then the one you recommended although still monocrystalline

KeryChip WEBSHOP - solceller, solcelleanlæg, tilbehør

This one is 299mm big but again i would like to make it smaller coz i want to get it "sunken" in the wood so if i use a router i need at least couple of mm i guess.
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Old 22nd June 2011, 10:40 AM   #1914
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Cool web page.

I found this one which is to big unless you can take the aluminum frame off.

KeryChip WEBSHOP - solceller, solcelleanlæg, tilbehør
It's too big even with the frame off. Pretty much every solar panel comes from the same 2-3 factories originally. And they have all changed their standard panel size.

Also those full size amorphous panels weighs about 4Kg just for the raw panel. I'm much more interested in film cells now. They're under a mm thick, weighs only a few hundred g, and is even more efficient than both monocrystalline and amorphous panels under all weather conditions.

Solar Products for OEMs, Military & Consumers | PowerFilmSolar.com
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Old 22nd June 2011, 10:44 AM   #1915
donnib is offline donnib  Denmark
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It's too big even with the frame off. Pretty much every solar panel comes from the same 2-3 factories originally. And they have all changed their standard panel size.

Also those full size amorphous panels weighs about 4Kg just for the raw panel. I'm much more interested in film cells now. They're under a mm thick, weighs only a few hundred g, and is even more efficient than both monocrystalline and amorphous panels under all weather conditions.

Solar Products for OEMs, Military & Consumers | PowerFilmSolar.com
but where do you buy those ? any links ?

Last edited by donnib; 22nd June 2011 at 10:47 AM. Reason: Never mind i found one : http://www.amazon.com/PowerFilm-R15-1200-15-4V-Rollable-Solar/dp/B002V9PG7U
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Old 22nd June 2011, 10:48 AM   #1916
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but where do you buy those ? any links ?
powerfilm | eBay
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Old 22nd June 2011, 10:55 AM   #1917
donnib is offline donnib  Denmark
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thx, unfortunately my battery is on 14.8V so i can't use PowerFilm i guess since i would need a higher voltage right ?
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Old 22nd June 2011, 11:35 AM   #1918
rubennn is offline rubennn  Denmark
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Seems like those are also quite expensive, but it sounds very interesting with the weight and the space saver. In your experience, is it the cheapest solution to buy from ebay.com or maybe a german retailer? I think you mentioned that Germans have pretty good prices on solar cells.
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Old 22nd June 2011, 12:16 PM   #1919
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To both donnib and rubenn, it's an emerging technology so it's naturally limited in selection at the moment and naturally quite expensive and not that widely available.
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Old 22nd June 2011, 12:35 PM   #1920
chief3 is offline chief3  Denmark
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The inside width of my box is 27,6 and my speakers are, when glued together, 26,6... should i get 1 cm og linolium and stick in between the magnets or should i get 0,5 plywood and make the "fitting circle" thicker ?

i only have the 5ply 12 mm wooden board and i have not made any cuts yet.


any suggestions how to fit the boominator mark 2 with the new design HP-10 w ?

thanks everyone

Last edited by chief3; 22nd June 2011 at 12:51 PM.
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