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Class D Switching Power Amplifiers and Power D/A conversion

TI TPA3255EVM
TI TPA3255EVM
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Old 15th April 2018, 01:59 AM   #651
DPH is offline DPH  United States
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Enjoy! Hope it treats you well. There's a few very decent 36V SMPS out there that would work well for your needs.
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Old 15th April 2018, 04:13 AM   #652
hopkins is offline hopkins  France
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Can you recommend any specific model ? Thanks.
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Old 15th April 2018, 05:41 AM   #653
DPH is offline DPH  United States
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The Meanwell units have been well regarded here, and I'm favorably impressed myself. But look at your major electronics distributors in EU/France to see who's making a 36 V, ~300 watt SMPS.

I'm a bit wary of the Alibaba's of the world for the power side of electronics, but that's just me.
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Old 15th April 2018, 07:14 AM   #654
6J7 is offline 6J7
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MEAN WELL LRS-350-36 Switching Power Supply SMPS 36V 9.7A 350W - Audiophonics
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Old 15th April 2018, 08:11 AM   #655
bushellj is offline bushellj
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As the input requirement for these boards is 2volts can anyone recomend a simple preamp with volume control that would be suitable.

I have looked at the various chinese preamp clones but the reviews are generally not good !!

I want something that will not impact the sound quality of the tpa3255 ev board but dont want to spend a fortune !!
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Old 15th April 2018, 02:16 PM   #656
Bearman is offline Bearman  United States
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As these boards are low input impedance, If you just want to use a pot, 10k seems to be good.
I used a Sure Electronics board with a separate power supply. Works pretty well with a stubborn mute function.

Sure Electronics' webstore Digitally Controlled Stereo Electronic Audio Volume Control Board VC05 - PGA2311
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