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Old 28th March 2014, 05:02 AM   #1
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Smile Chip amp comparable to class a sound

Hi All diy buddies,

I am new in this form, this is my first post,i want to know, is there any chip amp that sound quality is comparable to class a amp, i know class a sounds incredible but i wants to build a cheap IC amp [15 Watts to 50 Watts] that gives good sound quality.
If you have compared IC amp with class a [in sound quality] then please mention.


thanks,
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Old 28th March 2014, 09:07 AM   #2
AndrewT is offline AndrewT  Scotland
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As far as I know there are no ClassA power amp ICs.

There are a (very) few ClassA buffers and opamps.
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Old 28th March 2014, 09:15 AM   #3
Mooly is offline Mooly  United Kingdom
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Moved to chip amps forum

Class A in itself is no guarantee of good or great sound quality and brings with it its own problems such as heat and power consumption and (comparatively) low available power outputs.

I would suggest you look at some of the LM3886 designs as an example of a good chip amp.
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Old 28th March 2014, 09:46 AM   #4
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@mooly, i want sound with great dynamics for listening does LM3886 gives good dynamic sound or LM1875, i find good reviews on LM1875.

Pls suggest me :-)
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Old 28th March 2014, 09:52 AM   #5
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May I repeat the obvious
That the amplifier-speaker-environment
Not to mention distance from, ehm, speakers
It has many many variables
Eminently non-electrical
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Old 28th March 2014, 11:01 AM   #6
weskoki is offline weskoki  Europe
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You could try the myrefc 3886 or the mini version.Its dynamic and detailed.
MiniRef Schematic and PCB layout
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Old 28th March 2014, 11:10 AM   #7
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TDA8566 is the chip which for me closest approaches the classA sound. Provided the power supply has plenty of low impedance caps across it that is.
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Old 28th March 2014, 12:24 PM   #8
Mooly is offline Mooly  United Kingdom
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Quote:
Originally Posted by parveen247 View Post
@mooly, i want sound with great dynamics for listening does LM3886 gives good dynamic sound or LM1875, i find good reviews on LM1875.

Pls suggest me :-)
Both are highly regarded IC's. I can't give you a personal recommend because I have never built a chip... I prefer discrete designs.
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Old 28th March 2014, 01:14 PM   #9
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Quote:
Originally Posted by abraxalito View Post
TDA8566 is the chip which for me closest approaches the classA sound. Provided the power supply has plenty of low impedance caps across it that is.
Isn't TDA8566 a class B chip?
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Old 28th March 2014, 01:18 PM   #10
Mooly is offline Mooly  United Kingdom
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Quote:
Originally Posted by jacques antoine View Post
Isn't TDA8566 a class B chip?
Probably nearer AB than true B.

Does Class A have a "different" sound to Class AB ?
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