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| Discuss CLass AB amps v/s Class D at the Amplifiers within the HiFiVision.com - India's Audio Video Hi-Fi Forum; Hi all, While most integrated stereo amps are class AB (pure class A is way ... |
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#1
18-04-08, 08:59 PM
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CLass AB amps v/s Class D
Hi all,
While most integrated stereo amps are class AB (pure class A is way to expensive)... I was recently recommended that class D amps is the future. Was told they give better soundstage and ofcourse they are compact and run much cooler. wanted ur expert comments on whether class D are better than AB? 
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#2
18-04-08, 11:14 PM
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Re: CLass AB amps v/s Class D
There's no rule as such. Ultimately depends on how the amp is made. Many manufacturers have made a line of Class D amps and they are more efficient and compact than Class A and Class A/B amps but not necessarily better.
I have heard some Class D based amps such as the Rowland 312 which is superb and some like the Flying Moles which I didn't like at all. The ones with huge power supplies tend to sound better IMO.
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#3
19-04-08, 07:11 PM
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Re: CLass AB amps v/s Class D
Class A and Class AB are much more better then Class D amps , Class A and AB sounds more Analog and more warm.
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#4
22-04-08, 12:57 PM
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Re: CLass AB amps v/s Class D
Quote:
Would like to know which Class A and Class D amps have you compared, as I am thinking of upgrading my amp. Thanks..
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#5
22-04-08, 01:17 PM
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Re: CLass AB amps v/s Class D
Class D amplification has inherent distortion in it and therefore is predominantly used in lower bandwidth amplification like in subwoofers. Class D achieves about 90% power efficiency compared to about 45% and 60% respectively for Class A and AB. However, compensating circuitry to overcome the Class D distortion has significantly advanced in recent years and so Class D are now used in few audiophile grade full-range amps as well.
The summary above is the remnants in my memory when I had last researched this topic few months ago...at that time I wanted to make sure that Class D was okay for my subwoofer before I put the money down on it...
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#6
22-04-08, 01:21 PM
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Re: CLass AB amps v/s Class D
which one you have chosen finally?
Quote:
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#7
22-04-08, 01:23 PM
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Re: CLass AB amps v/s Class D
What about Class H amplifiers.
"This topology seems to be more efficient(less heat=smaller heatsinks) than A/B but sounds more refined, smooth, detailed." These were the comments by some people who did side by side AB testing keeping all other equipment the same.
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#8
22-04-08, 01:23 PM
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Re: CLass AB amps v/s Class D
A rather modest one...
 Polk Audio DSW 500 PRO... Living 10 floors up in Mumbai has its constraints...
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#9
22-04-08, 01:33 PM
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Re: CLass AB amps v/s Class D
That's a non polluted environment, you can make some noise definitely
 . I've an apartment coming up in chennai [11th floor] & planning to build a seperate false wall with proper sound insulation. I hope that should help upto some levelQuote:
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