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how good are class D amplifiers?



 
 
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Old May 30th 07, 04:46 PM posted to uk.rec.audio
Jim Lesurf
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Default how good are class D amplifiers?

In article , Arny
Krueger
wrote:
"Jim Lesurf" wrote in message


e.g. Despite Sony being a regarded name I recently tried a DVD
recorder from them. It had a cooling fan that was so loud that it was
distracting when listening to dialogue on items recorded. This is
absurd and needless, yet when I asked a local Sony center their
reaction was 'they all do it'. They seemed not to think it was a
problem, and clearly had no idea that quiet fans can be bought.
Perhaps they think everyone is too busy looking at the pictures to
notice the sound of a helicopter accompanying it. ;-


I find no logic to the noise levels of DVD recorders. I have a
Philips/Magnavox at home that is as quiet as a mouse (no fan) and a
Philips at church I bought a few months later that has a fan and is
noisy. I just bought a RCA with a hard drive in addition to the DVD
burner, and it is smaller, cooler, and has no fan.


My experience thus far is similar, in that it seems that all kinds of
details of DVD videorecorders varies in an almost totally unpredictable
way. Mostly in terms of properties which no magazine reviews (in the UK)
ever seem to mention.

Slainte,

Jim

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