I am not an audiophile, but I have friends that are. I have heard the difference between top of the line solid state and a good MacIntosh tube amp.
There is a richness and phonic tone that do not exist in solid state. Solid state doesn't ring or echo and appears harsh and sharp.
The phonics of tube amp mellow the sound, and one can very much hear it, Carnage Hall or a gymnasium.
Along the same lines the difference between CD's and a good turntable and vinyl is quite discernable, this is even more apparent if the vinyl happens to be a "studio master". I have taken most of my vinyl to loss-less-wave format when I digitized them. The biggest problem I find is when I try to cut a CD they don't fit in loss-less-wave (massive files) and the dynamic range is too high for most digital equipment and it clips if one does not normalize when the cd is made. I have the majority of my library on two 1 tera-byte drives, master and a backup.
Yes I still have my 45 year old Sansui audio system.
Pat
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, January 18, 2012 3:31 PM
To: [log in to unmask]
Subject: Re: [TN] What is the future of electronics assembly?
Not until recently. The semis were prone to electronic hiss, and did not have the same tonal quality (supposedly) that the more modern triac tube-driven amplifiers did. You need to use semiconductors with Caddock resistors, etc., to get the same overall performance and "tonal color" that was present with tube drivers.
Today, they claim that with the new semiconductors, the sound performance matches or exceeds the tubers, but all of the audiophiles claim they can tell the difference.
I sure can't.
-----Original Message-----
From: Inge [mailto:[log in to unmask]]
Sent: Wednesday, January 18, 2012 5:15 PM
To: TechNet E-Mail Forum; Stadem, Richard D.
Subject: Re: [TN] What is the future of electronics assembly?
I saved some tubes for fun, somewhere in the attic..Sylvania 6011, 6J6,
ECC803 and some more. In fact, I can't see why tube HiFis should be better than semi dittos. Todays semiconductors have far better S/N, enormous bandwitdth, no hum, not measurable overtones, no hiss, absolutely ideal sinus on the scope, you don't miss any nuances from the music studio. Isn't it a placebo effect?
Inge
----- Original Message -----
From: "Stadem, Richard D." <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, January 18, 2012 7:42 PM
Subject: Re: [TN] What is the future of electronics assembly?
> Yes, I remember while working at Stark Electronics in the 70's that when
> the transistors and ICs were starting to become more popular, all of a
> sudden the old electron tubes became smaller, better quality and much
> cheaper. Part numbers like Sylvania 6AU6, 6AY11, 12DF7, etc. start coming
> back to me, and I remember which ones were power supply, filter, and
> amplifier tubes.
> And my old tube amps always did have a much better tonal quality to them
> than any transistor amp ever did.
> Even up until just recently, the very best hi-end audio amplifiers such as
> Bel Canto still used tubes, albeit cutting edge, not yesterday's
> technology.
> I had a chance to listen to Maria Callas singing through a Bel Canto
> system recently, while there on business. My wife and her sister were with
> me. They both started crying, the music was so beautiful. Both of them
> were trained singers, and they know a good sound system when they hear it.
>
> So, yes, there will always be a market for today's electronics, just as
> there is still a market for yesterday's, because some things simply cannot
> be easily improved.
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ahne Oosterhof
> Sent: Wednesday, January 18, 2012 11:54 AM
> To: [log in to unmask]
> Subject: Re: [TN] What is the future of electronics assembly?
>
> Yes, at some point in time the present day technologies will be replaced
> by new ones. But the new ones have not really shown themselves clearly
> yet.
> When looking at past changes I have noticed that old technologies kind of
> go through a revival stage when the new ones show up. As an example, CRTs
> improved noticeably when flat panel displays started to pop up, but are
> now essentially gone. Vacuum tubes became smaller, as in nuvistors, but
> transistors won.
> Can we expect some noticeable improvements in today's assembly and
> packaging processes before they will also be delegated to the dustbins of
> time?
>
>
> Ahne.
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Pete
> Sent: 18 January, 2012 7:11 AM
> To: [log in to unmask]
> Subject: Re: [TN] What is the future of electronics assembly?
>
> Interesting discussion indeed. I see a lot of predictions about the need
> for legacy work, which will keep people employed. But it's the leading
> edge, new technologies that will make up the bulk of the bulk of the work,
> and profit.
>
> As a PCB designer, I have to approach this from a different perspective.
> I know how to design for the current technology, but once it's designed,
> there's not much legacy work I can count on. How do I design for Occam?
> Or the next idea? Nano technology and graphene could completely change
> the component/solder/copper/laminate structure. PCB design could become
> more like IC design. I don't want to be the guy justy hanging on to old
> tech, I want to be learning and implementing the latest and greatest.
>
> If I'm not one of the ones ready to understand and design the new
> technology, I'll be one of the youngest Wal-Mart greeters in the store.
>
> Pete
>
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