sorry, NO, Most the truly state of the art audio components
are not possible to build yourself and the components
to do so are NOT available. We are talking nowadays
about $10K phonocarts, $80K turntables, $10K air
bearing tonearms, $20K and up digital CD/SACD rigs, $100K plus
 loudspeakers etc.
Yes, some things are possible to DIY, like amplification.
Someone might be able to match the very best at same
or lower cost but an audio system needs more than
just amplfication, it needs sources and speakers too
which as state of the art levels is going to cost
maybe $200K or more even if you built your amplication
for free.

I contend to build your components that are really as
good as these "best available sound at any cost"
state of the art category items, you would have to
spend a LOT more if possible in most cases, and most likely
its not even possible to match them at all for
development resource and cost reasons alone, let
alone tooling materials and labor involved in
one off DIY production.

--
J.C. O'Connell (mailto:hifis...@gate.net)
Join the CD PLAYER & DISC Discussions :
http://tech.groups.yahoo.com/group/cdplayers/
http://launch.groups.yahoo.com/group/cdsound/ 


-----Original Message-----
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Joseph McAllister
Sent: Sunday, November 15, 2009 5:06 PM
To: Pentax-Discuss Mail List
Subject: Re: OT: Vinyl vs. Digital - the "all vinyl is noisy" myth,
,exposedinvideo


On Nov 15, 2009, at 13:26 , J.C. O'Connell wrote:

> you seem to misunderstand, you cant get
> state of the art audio gear for low cost,
> even if you build it yourself. acutally
> its practically impossible to build state
> of the art audio gear yourself, there
> is too much overhead in R&D and its
> not economical to build one-offs, that's
> even worse the low production items in
> terms of cost per unit.


Most of the components in Hi-End audio gear are available readily.  
There may be a few limited production capacitors or coils. The tubes  
are available in various qualities. It's the circuit design. The care  
of construction, and component placement for isolation/minimal wire  
length/optimum trace thickness and length that is critical in most  
designs.

I can send you photos of the system I was listening to in 07/08, and  
you will see that the cables, the mains, and elsewhere in the system  
are handmade and grossly overpriced "doo-dads" installed to enhance  
(or reduce) system anomalies that in the opinion of the owner made the  
system sound "better", to him. A 60-something year old with inevitably  
some hearing loss. He had money, he hadn't worked in years,his kids  
were through college, and needed something to do to fill his time. The  
endeavor was one he chose and could afford.

The main reason much of the "high-end" gear is expensive is because it  
has a limited buyer pool, and must be made in very limited quantities  
or hand built. If you are going to sell 125 units of a custom designed  
amplifier, and your competition is also low yield and sets a high  
price, your price is driven up no matter what, lest you be seen as  
"low-end" gear.

Schematics are available for gear the equivalent of much of the  
commercially available gear at that level. A turntable can be cobbled  
together that has similar specifications to the very best if you mount  
an accurate dc servo motor and it's controller on a separate  
structure, connect it to your platter(doesn't have to be super heavy,  
just controlled), use your very best $300 cartridge, best wire, a used  
10 year old arm that was once a darling, and mount the whole thing  
hanging from 3 or 4 vertical posts via dozens of old cassette tape  
player drive belts (rubber bands that don't stretch much).



Joseph McAllister
pentax...@mac.com

I couldn't remember most of what I know today
if it weren't for others sharing their knowledge
of my past on the Internet. Thank you.


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