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Article #16843

Re: 150 - 200 W. Amplifier

#16843
From: Thomas W. Day
Date: Wed, 27 Jan 1993 17:28
37 lines
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In article <1993Jan26.144230.2613@uhura.neoucom.edu> wtm@uhura.neoucom.edu (Bill Mayhew) writes:
>I agree that, in general, an expensive HiFi system sounds better
>than a cheap system.  Cost and exotic components, however, do not
>necessarily have a causal relationship with pleasing sound
>reproduciton.

>The control/preamplifier in my stereo at home is a Fujitech A-102
>....
>analytically correct.  There were no substantive differences in
>so-called sound stage and other stereo buff type terminologies.
>..
>The biggest problem is that there is not very much high quality
>source material available.  Most commercially available recordigns
>are bad enough that they don't sound much better on a multi
>kilobuck stereo than a cheap boombox.

I assume you are talking about "pop" music recordings.  I think there are 
plenty of jazz (generally not fusion or new age, but standard acoustic jazz) 
and classical recordings that meet your listening criteria, though.  One of 
the things I've noticed as my audio equipment pile has grown is that my 
listening collection is shrinking.  I'm not sure I like this relationship.  
I know it means I'm getting more sophisticated in my old age, but it also 
means I'm getting more narrow in perspective.  

>The biggest problem I've seen in cheap sound equipment is woefully
>lousy power supplies.  Plenty of improvement can be had without
>resorting fancy polyproylene dielectric capacitors, but with
>properly sized transformers and capacitors.  Active regulation does
>wonders.

I assume you mean in preamplification.  Regulation in the early stages of a 
power amp would also apply, but, in the output stage, you can throw out a 
lot of overhead with regulation.  Seems like a serious sacrifice.

I really enjoyed reading this thoughtful post.  Thanks for contributing.

Tom Day
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From: thomasd@tps.COM (Thomas W. Day)
Subject: Re: 150 - 200 W. Amplifier
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References: <C19H1r.1Ko@waterloo.hp.com> <1993Jan25.085151.25340@mr.med.ge.com> <1993Jan26.144230.2613@uhura.neoucom.edu>
Date: Wed, 27 Jan 1993 17:28:20 GMT
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