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Class D Switching Power Amplifiers and Power D/A conversion

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Old 9th January 2017, 11:08 PM   #1221
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Old 16th January 2017, 03:46 PM   #1222
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My CxD500 subwoofer amp is now complete. Building it was a smooth sailing with only a few small hiccups 🙂
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Old 20th January 2017, 09:48 AM   #1223
Emboss is offline Emboss  Sweden
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Originally Posted by serafis View Post

I've just finished building my 7-channel home theatre power amplifier. I used seven LJM L15D Class-D IRS2092 kit boards which I assembled myself. They're powered by two 500W +/-55V SMPS's, with separate speaker protection modules (also kits) powered from the SMPS +15V line, and with a separately powered 5V IR remote on/off relay circuit, so I can control it from my Harmony Remote along with the rest of my system (plus a manual on/off on the front of the amp)

The Right, Centre and Left/
Hi
Can you provide more information or a link to the SMP that you use to this amp?

//Niclas
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Old 20th January 2017, 09:52 AM   #1224
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The link is shown in #1215
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Old 20th January 2017, 11:33 AM   #1225
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Originally Posted by Kjeldsen View Post
The link is shown in #1215
Sorry missed that...

//Niclas
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Old 26th January 2017, 03:01 PM   #1226
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completed this some time ago, figured i would share my build

i think i have a 10x8 enclosure, housing 1x icePower 500asp with 2x 500a hangers. enclosure was powder painted and finished with a perforated top.

currently powering 3x diysoundgroup magnum 12s crossed at 200hz. hit hard

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Old 26th January 2017, 03:53 PM   #1227
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Why did you mount the 500A modules upside down?
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Old 26th January 2017, 04:00 PM   #1228
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Why did you mount the 500A modules upside down?
since this is all passive cooling, its the only way to get the heatsink to touch and dissipate to the enclosure without making custom angle brackets
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Old 18th February 2017, 02:56 PM   #1229
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Small project for my home office. A TDA7492 PCB from Ebay and an old electronic Enclosure. I printed a holder for the PCB, Rectifier and Capacitors. A small circuit for the VU Meter with an OP Amp i also fit in the Enclosure. I Use also the Knobs from the original - so ON/OFF, Volume work with the same design before.

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Old 18th February 2017, 03:18 PM   #1230
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This is sooo cool
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