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Class D Switching Power Amplifiers and Power D/A conversion

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Old 12th September 2016, 10:31 AM   #11
Jerms is offline Jerms  United Kingdom
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Join Date: Jun 2015
Location: High Wycombe, Bucks, UK.
I'll add the SMSL SA60 to the list. $80 for a TPA3116 amp, aluminium case and power supply.

Turn on/off pop can be an issue. I've got two different TPA3116 boards and four Sanwu TPA3118 boards. they all pop in the right (wrong?!?) circumstances.

J.
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Old 12th September 2016, 10:53 AM   #12
tansand is offline tansand
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Hello Jerms, the SA 60 and it's good reviews were what initially interested me in these things. Part of the problem is I have some chassis ideas I'd like to use, so I got pulled away from that, but it's tempting still. I get an arc when I plug the AC side of my laptop power supply sometimes, so I worry lol. Thank you for your input, I appreciate it!
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Old 12th September 2016, 10:57 AM   #13
tansand is offline tansand
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You guys suggestions have really helped me to get my mind back in gear, making distinctions between all these various boards, and being less overwhelmed by the options. :-)
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Old 12th September 2016, 03:06 PM   #14
kb2wyl is offline kb2wyl  United States
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Location: Ferndale, CA, US
The magnets have nothing to do with function. I just unscrew them, haven't used them once. And as far as complicated, it's already built. This is not a kit. So really doesn't get any simpler. Stereo input, with Bluetooth if you decide you want it. There's nothing to "setup". You turn it on and tell your phone to connect. Done.

Easy as they come 🙂
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Loren C.
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Old 12th September 2016, 04:02 PM   #15
tansand is offline tansand
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Oh, I thought they adhered the silver buttons onto the switches. I don't actually own a phone that has any music on it, I use a Colorfly C3. Thank you, I do appreciate your advice, even if I wind up doing something different! I do think it's cool.

:-)
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Old 13th September 2016, 04:45 AM   #16
gec is offline gec  United States
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Before you order that 7492p Sanwu amp you might want to review this thread:

http://www.diyaudio.com/forums/class...92p-amp-2.html

and then this one:

SANWU TPA3116 + CSR8635 Bluetooth 4.0 - Noise Fix

Last edited by gec; 13th September 2016 at 04:50 AM.
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Old 13th September 2016, 12:20 PM   #17
tansand is offline tansand
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Quote:
Originally Posted by gec View Post
Before you order that 7492p Sanwu amp you might want to review this thread:

http://www.diyaudio.com/forums/class...92p-amp-2.html

and then this one:

SANWU TPA3116 + CSR8635 Bluetooth 4.0 - Noise Fix
Awesome heads up, gec, thank you! I also find this image coool.

:-)

These amps are what I'm looking at ATM.

TDA7498 2 100W 2 Channel Audio Stereo Digital Power Amplifier Board DC 15 34V | eBay

DC 12V 24V TPA3116 Dual Channel Stereo 50W 2 BTL Mono 100W Audio Amplifier Board | eBay

and

TDA8932 35W Digital Amplifier Board Module Low Power Mono Power 10V 30V | eBay

I'm a little confused how to figure out if they have 'bootstrap snubbers', however, apparently some don't...

Thank you again!
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Last edited by tansand; 13th September 2016 at 12:23 PM.
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Old 13th September 2016, 02:26 PM   #18
tansand is offline tansand
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Join Date: Aug 2016
Quote:
Originally Posted by tansand View Post
I'm a little confused how to figure out if they have 'bootstrap snubbers', however, apparently some don't...
This question about at least the 3116 board above was answered by easp earlier today in another thread, the answer is it doesn't! Nice timing!

TPA3116D2 Amp

Last edited by tansand; 13th September 2016 at 02:34 PM.
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Old 16th September 2016, 03:03 PM   #19
pato3 is offline pato3
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SSM-3582 from Analog Devices perhaps
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Old 17th September 2016, 01:56 PM   #20
tansand is offline tansand
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It does look good, pato3. Thank you!
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