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[Closed] Hi fi - "clean" mains

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Snoooore...


 
Posted : 21/10/2009 3:44 pm
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OMG.

WTF have I done.

[img] [/img]


 
Posted : 21/10/2009 4:12 pm
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You forgot it was STW


 
Posted : 21/10/2009 4:14 pm
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SfB's comment about not having the attention span for silences and preferring women capering about is most revealing. Pretty much says all you need to know about how much interest he has in quality music. I have several albums which have long silences as an integral part of the music, which I'm sure would drive SfB even more nuts. 😈


 
Posted : 21/10/2009 6:02 pm
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So does John Cage sound better with the amp on or off? 🙂


 
Posted : 21/10/2009 6:18 pm
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I have several albums which have long silences as an integral part of the music

Not so much silence integral to the music but the silences between the tracks on the Cowboy Junkies 'Trinity Session' are pretty impressive. It was recorded in a large church (presumably 'Trinity') with the band sat around a single stereo microphone. The space between the tracks is eerie - you can 'hear' the scale of the building in the silence.


 
Posted : 21/10/2009 6:22 pm
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To go right back to the beginning - would the best way to have as clean a power source as possible for reasonable outlay not be to run a dedicated spur from the consumer unit?

initially this sounded vaguely plausible, but in circuit terms, all the mains devices are wired in parallel, and using the parasitic distributed reactance of the mains wiring to the socket as a filter is far more expensive than using a discrete filter to the same effect.

Pretty much says all you need to know about how much interest he has in quality music.

correct! In fact I reject the concept of "quality music" - its function is visceral and emotional, appealing to the inner beast to which quality is meaningless!


 
Posted : 21/10/2009 6:30 pm
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SFB - how can you fail to understand that the comparisson between a £100 camera and a £2000 one is EXACTLY the same as to a piece of hi-fi equipment as all of them have been manufactured!!!! It's the same with anything you buy, be it a watch car blah blah blah!!! I take it photography is you other hobby as you were very quick to express an opinion on it, I apologize if I'm wrong.
The same is with bikes surely, we can have fun on a Halfrauds bike but a £2000 bike WILL work better and perform better even if there aren't any ways to measure only those of a tester or individual themselves.
The "fun" factor along with sonic or visual interpretations are open to subjective feelings so please try and understand that and is applicable not only to hi-fi but many many other hobbies - cycling included.
I don't consider myself an expert in any field and I have an open mind to most things. I try give honest advice regarding any hobby I've done, be it cycling hi-fi photography or shooting but it's always just an opinion. I do appreciate good engineering, being an engineer myself and so when something is "engineered" I can see and feel it, like a good watch for instance. They are almost "alive" as you would put it.
Hi-fi, along with a lot of hobbies as too many merchants trying to make you part with your hard earned cash by spouting bullshit but please don't think hi-fi is on it's own - if you read bike mags etc and read bike manufacturers bull you will know exactly what I mean. I make my judgement on trying stuff, finding out whether I like them or not, be it bikes or hi-fi. I also have restraints - money - so will buy to suit my own needs and I don't care what anyone else spends either. Remember - it's each to his own and like lots of things it's mostly subjective too. I do have an expensive hi-fi - I bought it after listening and using my ears and that's the only thing that matters - it's what I like. Just like my bikes, cars, music, films, watches etc etc.


 
Posted : 21/10/2009 6:35 pm
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grumm You on about magnetic fields?
there is truth in that.

regarding Amplifiers
I use a cyrus 3 with seperate power supply, to be honest not noticed
any differance.
If your getting spiking from switching power on, then use a
computertype extension lead.
Been a while ive looked into amps but i do remember NAD done a cheap
envlope amplifier.


 
Posted : 21/10/2009 6:39 pm
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SFB - how can you fail to understand that the comparisson between a £100 camera and a £2000 one is EXACTLY the same as to a piece of hi-fi equipment as all of them have been manufactured!!!!

I don't think it's a valid comparison. Hifi is a mature technology (one might almost think senescent). The recording medium changes from time to time, and a 2nd channel was added what, 50 years ago ? Without cutting corners it's easy to reproduce those signals accurately for a couple of hundred pounds (not counting the speakers) and any further expense must be on cosmetics or pointless refinement. Speakers are of course the weakest point, as they actually generate audible distortion (1..3%). In fact I'm surprised no one has created digital speakers with an optical feedback loop to linearise the mechanics - surely that wouldn't be hard ? Then with a DSP one could tune in whatever kind of sound & distortion one liked, LP, valve etc and all the problems with cables and components would vanish!

In contrast digital photography is still developing rapidly, only recently coming near to challenging the fidelity of (admittedly compromised) 35mm, and I'm sure a lot more needs to be done to get cameras to mimic better the flexibility of our eyes - and that development costs, and the improvements are obvious and measurable.


 
Posted : 22/10/2009 5:43 pm
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Ive known people to rewire there house to get a clean line of power to there hifi and I have spent some time working in a house were the guy spent over $350.000AU building a system into his house and it all just sounded rather good but its got to be only worth it to the beholder as to me and my humble but good hifi worth very much a fraction sounds just as good. As Higs says its up to you if you spend the money if you think its worth it but if its a good Amp it should be very well shielded in the first place!


 
Posted : 22/10/2009 9:40 pm
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