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Class D Switching Power Amplifiers and Power D/A conversion

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Old 31st May 2012, 03:00 PM   #2851
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So my boominator i coming together fine. I have one problem though - with my TA2020 amp came a power cable for a regular 220V outlet. I somehow have to convert to get this cable to fit my SLA battery. I guess I have to cut off the AC-adapter, but I'm unsure of what I do next.

I tried cutting off the adapter on a power cable from an pc and inside the cable was a bunch of wires outside another cable with a bunch of wires. What goes to + on the battery and what goes to -?
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Old 31st May 2012, 04:16 PM   #2852
kblnig is offline kblnig  Denmark
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The usual way of doing it is

- is the surrounding of the plug
+ is the pin inside

So if you cut your cable and you have an Ohm-meter you could meassure the connection from the plug to the cables and see what goes where.. Some power supplies have a shield surrounding the cable which you could just connect to - in both ends (i doubt your amp charger has that though)...
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Old 31st May 2012, 06:05 PM   #2853
osny is offline osny  Sweden
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One last question, and after you help me i will upload pictures

Mounting magnet on magnet in the same box, should one speaker (inverted? ) push and the other pull ( <- <- )

or should them play the same ? ( <- -> )

ty for help
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Old 31st May 2012, 06:37 PM   #2854
gmarsh is offline gmarsh  Canada
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Speakers should play the same, you'll probably damage them if you wire them the other way.
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Old 1st June 2012, 09:37 AM   #2855
mpaev is offline mpaev  Denmark
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I hope that someone can tell me if the things listed earlier can be used for the boominator.
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Old 1st June 2012, 12:56 PM   #2856
gmarsh is offline gmarsh  Canada
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Quote:
Originally Posted by mpaev View Post
I hope that someone can tell me if the things listed earlier can be used for the boominator.
Batteries: yes, tweeters: yes. The solar panels are fairly small, I'd look for something in the ~10W range personally.
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Old 1st June 2012, 01:19 PM   #2857
mpaev is offline mpaev  Denmark
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Quote:
Originally Posted by gmarsh View Post
Batteries: yes, tweeters: yes. The solar panels are fairly small, I'd look for something in the ~10W range personally.
Thanks didn't want to order them before someone had taken a look at it
can you recommend a solar panel?
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Old 5th June 2012, 07:22 PM   #2858
Hafde is offline Hafde  Denmark
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Hey everyone, i have been searching around. and found these two enclosures

Which one is the best fit for an Amp6 B ?

1590N1FLBK Hammond Manufacturing | 1590N1FLBK-ND | DigiKey

https://www.elextra.dk/main.aspx?pag...e&artno=H16164
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Old 5th June 2012, 09:52 PM   #2859
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how do i connect my mp3 to this? :/

MKll Tripath TA2024 Fully Finished Tested PCB 2x15W m | eBay
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Old 5th June 2012, 10:08 PM   #2860
Hafde is offline Hafde  Denmark
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Quote:
Originally Posted by emilovitz View Post
I guess, you can solder a stereo jack, onto the left (-) and right (+). on the left of the image

not sure about the ground though, but i guess you have to solder taht to
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