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Class D Switching Power Amplifiers and Power D/A conversion

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Old 25th January 2012, 01:47 PM   #501
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Join Date: Feb 2010
Location: Powell River, BC Canada
Quote:
Originally Posted by MrSlim View Post
The "Through hole" mounting style is for the connector pins, meaning that they are designed to be installed in a printed circuit board(vs point to point solder lugs on the Parts express part). There's nothing stopping you from mounting the pot itself on a panel, and connecting wires to the pins though (and that is actually how I am doing it for some headphone amps myself). You can get all of the physical measurements of the part from the documents on the Mouser site (or at Alps themselves) to get the hole size for the panel(which I also needed to do..)
Thanks for the further info!

Rod
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Old 7th February 2012, 01:13 AM   #502
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cheapo 8 channel L15D 4x 500va trafo noise floor on them is great plugged it into a 103db tweeter with no noise.

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Old 7th February 2012, 05:59 PM   #503
MrSlim is offline MrSlim  Canada
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I was going to ask where the other 4 channels were until I saw that you had them stacked.. Well done!
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Old 7th February 2012, 10:34 PM   #504
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Location: uk
Very impressive!

But, any thermal issues with the lower modules?
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Old 7th February 2012, 11:31 PM   #505
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Quote:
Originally Posted by zerokelvin99 View Post
Very impressive!

But, any thermal issues with the lower modules?

nope it was going to be 12 channels but i couldn't figure out what to do with them all so i only did 8 so there's about 4 inches between the top / bottom channels
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Old 8th February 2012, 01:19 PM   #506
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Quote:
Originally Posted by momomo67890 View Post
cheapo 8 channel L15D 4x 500va trafo noise floor on them is great plugged it into a 103db tweeter with no noise.
Nicely done... I'm slowly planning on building a 5 channel amp just like your setup. I see all the components, and I also noticed the speaker protection circuit. Does the L15D require a speaker protection circuit? I thought the IRAMP7S (IRS2092) has speaker protection built in?

Did you add any line-in attenuation (can't see) or is it straight through from your pre-amp/receiver?
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Old 10th February 2012, 05:42 PM   #507
SNY is offline SNY  Hungary
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Default protection

Quote:
Originally Posted by concordfta View Post
Nicely done... I'm slowly planning on building a 5 channel amp just like your setup. I see all the components, and I also noticed the speaker protection circuit. Does the L15D require a speaker protection circuit? I thought the IRAMP7S (IRS2092) has speaker protection built in?

Did you add any line-in attenuation (can't see) or is it straight through from your pre-amp/receiver?

Yes. You need speaker protection circuit, because the mosfet failure cause dc error on output.
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Old 10th February 2012, 05:51 PM   #508
SNY is offline SNY  Hungary
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Default new irs2092 based amp

IRS2092 , PWM, Class D, SNY Audio

-PB-Free, ROHS compatible
-2 OZ Copper (70um)
-2 mm PCB
-on-board step-down DC-DC converter reduces the dissipation
-thermal protection
-gain adjust
-high reliability parts
Attached Images
File Type: jpg IRS2092.jpg (138.1 KB, 3198 views)
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Old 22nd February 2012, 05:28 PM   #509
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very nice
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Old 1st May 2012, 01:33 AM   #510
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Location: Wellington
Default TA2024 Amp

A few samples that I hope you like
Some will recognise the box...

Click the image to open in full size.Click the image to open in full size.
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Nice day,
GT
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