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Class D Switching Power Amplifiers and Power D/A conversion

IRS2092 Modules VS TPA3255
IRS2092 Modules VS TPA3255
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Old 21st May 2020, 04:33 PM   #11
PutinsMixtape is offline PutinsMixtape  United States
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Originally Posted by daniboun View Post
I guess you need a 2.1 system ? Or only subwoofer use ?
Its just for subwoofer. I Have a generic 80's class ABer for the fullrangers.
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Old 22nd May 2020, 12:49 AM   #12
denbret is offline denbret  Canada
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I have the two amplifiers TPA325x and IRS2092. The IRS2092 is of good quality and fed by a linear. For the bass I find the IRS2092 has a much better power handling. The TPA325X is more musical. On my bi-amplified system, I use an IRS2092 for low frequencies, it's the best
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Old 22nd May 2020, 06:45 AM   #13
drMordor is offline drMordor  Russian Federation
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Originally Posted by denbret View Post
I have the two amplifiers TPA325x and IRS2092. The IRS2092 is of good quality and fed by a linear. For the bass I find the IRS2092 has a much better power handling. The TPA325X is more musical. On my bi-amplified system, I use an IRS2092 for low frequencies, it's the best
TPA325x with PFFB better than IRS2092
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Old 22nd May 2020, 07:02 AM   #14
daniboun is offline daniboun  France
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Originally Posted by drMordor View Post
TPA325x with PFFB better than IRS2092
I agree ) This is why I spoke about high quality TPA32XX previously. PFFB is enabled on top end TPA32XX boards. (XRK Audio, TI EVM, 360 Customs)
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Old 22nd May 2020, 08:11 AM   #15
daniboun is offline daniboun  France
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checkout the benefits of PFFB :

Click the image to open in full size.
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Old 22nd May 2020, 12:29 PM   #16
denbret is offline denbret  Canada
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When you say PFFB, same as PBTL ??
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Old 22nd May 2020, 01:11 PM   #17
drMordor is offline drMordor  Russian Federation
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Originally Posted by denbret View Post
When you say PFFB, same as PBTL ??
No))))) PFFB this is Post Filter FeedBack
PBTL this is Parallel Bridge Tied Load
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Old 23rd May 2020, 12:53 AM   #18
denbret is offline denbret  Canada
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Okay so it's not the same!!
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Old 23rd May 2020, 06:52 AM   #19
daniboun is offline daniboun  France
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Okay so it's not the same!!
Checkout :

http://www.ti.com/lit/an/slaa788a/sl...=1590216724964
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