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Class D Switching Power Amplifiers and Power D/A conversion

Best TDA series class D amplifier
Best TDA series class D amplifier
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Old 8th November 2016, 11:57 AM   #1
gauravsanu is offline gauravsanu
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Default Best TDA series class D amplifier

Hi

Can anyone suggest me best class D TD series audio amplifier for online buying?

Requirements is below:
  1. 2.0 channel BEST audio amplifier in class D in terms of sound quality
  2. Single channel amplifier also be considered if sound quality is better.
  3. TDA series would be preferred.
  4. 40-100 watt audio output
  5. Please send link for the same if possible
  6. I will manage speaker and power supply as recommended

Thanks in advance ..
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Old 8th November 2016, 03:32 PM   #2
Jerms is offline Jerms  United Kingdom
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You'd be better off sticking a "usage case" in there somewhere.

Best off the shelf board is probably the Sanwu blue TPA3118 mono board. I'm sure I've read of a Sanwu TDA7498 if TDA is mandatory.
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Old 9th November 2016, 04:38 AM   #3
gauravsanu is offline gauravsanu
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Thanks your suggestion... it's very helpful to me.
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Old 9th November 2016, 12:09 PM   #4
nenad88 is offline nenad88
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Is this board good? Are those real 63v caps? Click the image to open in full size.
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Old 9th November 2016, 01:29 PM   #5
reji is offline reji  India
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looks like vishay BC caps
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Old 9th November 2016, 03:49 PM   #6
denbret is offline denbret  Canada
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I have this amplifier and the sound is good. I tested with SMPS 24Vdc and one of 36VDC.
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Old 9th November 2016, 03:57 PM   #7
nenad88 is offline nenad88
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Does it have any noise or hiss, turn on/off pop? Are capacitors really rated at 63v?
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Old 9th November 2016, 05:37 PM   #8
den_hr is offline den_hr  Croatia
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No significant turn on pop, the amp is OK. However, for the capacitors, those pictured in the ebay listing are usually for "information only"
- which means that you shouldn't expect the board you receive to be *exactly* like the one in the ebay photo... including the capacitors.
I've bought this amp on several occasions, and I never got the same capacitors. Don't expect the caps to be originals, either. On one board I got 35V caps - definitely fakes, too

As always, buying from ebay is a roulette: you never know what you'll get.
Nobody can guarantee that those are original caps, and even if they were, who knows what will be soldered on the actual board you receive from ebay.

So, either you take your chances and risk a few $$, or buy from a reputable online store, and check beforehand what you will be getting.
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Old 9th November 2016, 07:06 PM   #9
nenad88 is offline nenad88
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I cant decide between this board and two sanwu boards one without rca and pot and 1 with rca and pot. I like this board more because i would use switches for standby mode and I see this board has connector for cooling fan with adjustable voltage. And this board have better connectors for wires, I dont like those barrel connectors or screw conn. on sanwu boards.

And I would probably change those two big caps and add copper plate below that heatsing + fan.

Last edited by nenad88; 9th November 2016 at 07:31 PM.
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Old 9th November 2016, 09:35 PM   #10
Buehgemeiste is offline Buehgemeiste
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TDA7498E and TDA8932 should be mentioned here.
If dual voltage is ok for you TDA8950 or TDA8954 would be an option.
Those are said to be good with subwoofers (i haven't tried, still waiting for this https://de.aliexpress.com/item/Ultra...tegoryId=63701

I prefer sanwu TDA7498 with RCA (those RCA jacks are actually what i dislike about the module) and the small blue TDA8932.
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