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Class D Switching Power Amplifiers and Power D/A conversion

Recommend a 30watts to 50watts budget amplifier
Recommend a 30watts to 50watts budget amplifier
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Old 5th December 2020, 12:40 PM   #41
Whoops is offline Whoops  Portugal
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Well, I guess is good enough for my needs...
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Old 5th December 2020, 10:47 PM   #42
jjasniew is offline jjasniew  United States
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Recommend a 30watts to 50watts budget amplifier
>Typically an amplifier rated by the seller at 50W amp is only clean to 20 or 30 watts.

I'd assume many of these class-D amp are similar to the distortion profile below. That is, they're pretty good at all levels of power, right up to just before the very maximum.

It makes sense; when you hit 100% duty cycle, it's a pretty hard stop. But clean through a little better than 1/2 rated power -
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Old 6th December 2020, 12:44 AM   #43
Whoops is offline Whoops  Portugal
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Yes thats what I found after reading a lot of stuff related to suggestions in this thread.

Thanks
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Old 7th December 2020, 12:52 AM   #44
phase is offline phase  United States
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It is that one.

I have never used the analog input on the ZK-1002 boards I have here, so I can’t comment on how it sounds using that input. I just put one board inside one of a pair of bookshelf speakers with the power going in, opposite speaker out and run them from a phone or tablet via Bluetooth. The decent sound, very low price, and sheer lack of complexity makes it such that I would recommend to try one if you happen to have an extra set of speakers around.

Bluetooth 5.0 is comparable to CD quality, and makes for a convenient standalone backup system, or for outside, etc.
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Old 7th December 2020, 01:02 AM   #45
Whoops is offline Whoops  Portugal
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It seems you posted in the wrong thread...

Last edited by Whoops; 7th December 2020 at 01:12 AM.
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Old 7th December 2020, 03:26 AM   #46
phase is offline phase  United States
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Quote:
Originally Posted by Whoops View Post
Is it this one?
Nope, but good luck just the same...
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Old 8th December 2020, 04:47 PM   #47
KaffiMann is offline KaffiMann  Norway
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Quote:
Originally Posted by Whoops View Post
Well, I guess is good enough for my needs...
Just want to point out that my main motivation for buying that specific amplifier was that it does not have bluetooth.
Nothing against bluetooth, and often it can be better than having some source of unspecified quality injecting noise, but bluetooth adds delay. Sometimes a noisy source is better than a source that's not synchronious to other things happening, like games or movies in my young daughters specific use scenario.
The amp is quite good, most likely the main problem will be the source you connect to it.
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Old 8th December 2020, 10:14 PM   #48
Whoops is offline Whoops  Portugal
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I don't need bluetooth in the amp

It's to be used with analog consumer line level outputs
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Old 9th December 2020, 09:15 PM   #49
mamocel is offline mamocel  France
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