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Old 10th August 2012, 09:20 AM   #1
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Default RB-TA2022 ref design any good

I can make a good deal on a RB-TA2022 version 3.1 6 channel amp with 1000 watt audio SMPS for 100$. But is this design good, or is there anything I should be aware of.

Most important is that it's stable and noise free, and it should af good sound (in know it have good sound so it more about how stable that design is)

Last edited by Kjeldsen; 12th August 2012 at 08:37 PM.
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Old 12th August 2012, 08:36 PM   #2
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No one who knows anything? I thought it was a well known module.
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Old 13th August 2012, 08:37 AM   #3
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no one! Bought it, and are now expecting it to arrive in a couple of days.
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Old 13th August 2012, 09:26 AM   #4
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It lacks the DC servo and output protection like the evaluation boards have.

Not sure what "stable" means to you.
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Old 13th August 2012, 09:32 AM   #5
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Not sure what "stable" means to you.
That it's not going up in smoke. I know some designs don't like speaker outputs with no speaker connected (the it oscillates and blows). Some of the first tripath amps was also known to be unstable, and could blow up with at big bang.
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Old 13th August 2012, 09:35 AM   #6
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It lacks the DC servo and output protection like the evaluation boards have.
Is that something to worry about? The SMPS PSU alone is worth what I have been paying, and I'm not interested in using a amplifier that is potentially dangerous to use.
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Old 13th August 2012, 09:45 AM   #7
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The DC servo is no big loss. Output protection can be added if needed.

BTW, you must have some cheap clone board with added smps.... Tripath never made boards with switching supplies.

Do you have a link to this board?
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Old 13th August 2012, 09:58 AM   #8
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It's a seperate board (with Tripath logo) and something that looks like SMPS800 from connexelectronic (but I'll have a closer look when it arrives)

Last edited by Kjeldsen; 13th August 2012 at 10:05 AM.
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Old 13th August 2012, 10:21 AM   #9
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link

http://www.datasheetcatalog.org/data...th/mXqxyru.pdf
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Old 13th August 2012, 07:03 PM   #10
von Ah is offline von Ah  United States
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Sounds like a great deal to me, if the SMPS is well-made. Great find, and please share your findings!
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