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Class D Switching Power Amplifiers and Power D/A conversion

TI TPA3255EVM
TI TPA3255EVM
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Old 21st December 2017, 04:49 PM   #371
doctormord is offline doctormord  Germany
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RPM doesn't say anything about flow rate at all. CFM is what matters.
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Old 21st December 2017, 04:58 PM   #372
wushuliu is offline wushuliu  United States
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Old 21st December 2017, 09:25 PM   #373
rhing is online now rhing  United States
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Quote:
Originally Posted by wushuliu View Post
The Noctua does 3000 RPM at 19dB. I don't know what the stock (Sunon) rpm is. Surely, the 3000 rpm should suffice for our purposes.
Have you been able to compare your TPA3255 amp running on the Connex SMPS versus the modified Mean Well SMPS?
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Old 21st December 2017, 09:42 PM   #374
wushuliu is offline wushuliu  United States
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Not yet. May get to compare tonight but probably won't be able to until after the New Year.
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Old 21st December 2017, 10:18 PM   #375
wushuliu is offline wushuliu  United States
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Quote:
Originally Posted by mwahal View Post
What is the width of the stock fan? 25mm ?
Yes
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Old 22nd December 2017, 12:33 AM   #376
mwahal is offline mwahal
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Originally Posted by Bearman View Post
My TP3255EVM is 3" tall. The case is approx 3 1/4" on the inside. Maybe your standoffs are longer??
My amp is 3" tall too. The only thing which worries me in that these enclosures don't have ventilation at the back. I want to put 2 fans at the back for the amps.
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Old 22nd December 2017, 01:19 AM   #377
Bearman is offline Bearman  United States
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On the 350mm looks like they are on the top and bottom. Mine (300mm)are on the side. I guess you could always drill holes in the back. ??

Last edited by Bearman; 22nd December 2017 at 01:24 AM.
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Old 22nd December 2017, 03:14 AM   #378
wushuliu is offline wushuliu  United States
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FYI the Meanwell SE-600 stock fan is a Sunon KD1206PTB1 1.4w possibly rated at 23.5 CFM/4000+ RPM and ~34dB. Appears to be obsolete with varying specs but that's the ballpark.
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Old 23rd December 2017, 05:30 PM   #379
p4spooky is offline p4spooky
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Ordered this from TI on 12/15. status says sent to Fulfillment, has been for 2 weeks. No emails from TI other than order confirmation. Never ordered from them before, is this indicative of item not in stock or an order issue?
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Old 23rd December 2017, 05:52 PM   #380
mwahal is offline mwahal
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I installed the Noctua 60mm in the MW SE-600-48. The fan was not as loud as the stock fan but it was little louder than I thought. So I installed the noise adapter along with the fan. That has reduced the speed of the fan and also silenced the fan a bit. The noise is more from the airflow than the fan itself. The stock fan itself was louddddd.
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