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Old 19th December 2002, 11:33 AM   #1
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Default CD-Pro2/ DAC Questions..Hello all, i am new here

Hello all

I am also a newbie. I made my apprenticeship in electronic 8 years ago but never used it again (practicaly) because i changed to IT. So my skills need a big refresh and i am ready to extend it much more. I will try not to ask question, which are already discussed in other tasks but sometimes it may happen..just point me to the right links.
I would appreciate any comment as long it is construktive.
Thanks in advance.
I am a big HIFI enthusiast and now its time to spend money to DIY instead of commercial products.
Let's go

I would like to build my own new DIY DAC for my CD-Pro2:
Money is no object. Time also not

I would like use the IS2 directly from CD-Pro2. (If this is not recommended, pls. give advice)
DAC: CS43122,PCM1702,PCM1704,PCM1792
Tube Filter
Tube Outputstage
and if somebody has developed/expierience evenTube Power Supply


Which input reciever/Filter is recommended in conjuntion with the DACs above.
I still have a vacum, its called "upsampling" For what is it good and when will it be used
Jitter; i am going to learn, have a theory book
These are some ideas. And of course only some starting points.

I would appreciate any comment, especially for sonic/audiophil aspects.


I have the speaker measurement software/hardware Laud/turtlebeach which may help in some case, who knows..

Kind regards
martinwyss
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Old 19th December 2002, 11:47 AM   #2
halojoy is offline halojoy  Sweden
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this member of ours
have used/uses Crystal Chips in DACs.
His project is well documented and known.

stokessd

see his homepage for details - he comes around here not to often

Sheldon's Audio Designs

Elektor using PCM17xx and 24/96 HIFI-DAC is also an object for studying.
Elso Kwak - Jocko Homo knows a lot.
They will support you!
All our digital boys.

I was only
/halojoy the messenger
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Old 19th December 2002, 12:08 PM   #3
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Talking Support???

Quote:
Originally posted by halojoy
Elso Kwak - Jocko Homo knows a lot.
They will support you!

I was only
/halojoy the messenger
I know nothing! I am from Barcelona! I know nothing!!!

The waiter in Fawlty Towers [joke] Or is it Faulty Towers?
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Old 19th December 2002, 12:23 PM   #4
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A very simple, quick and good sounding start is to get a Philips TDA1541 DAC, a bunch of batteries, some decoupling caps and two Sowter 8347 transformers for the output stage. This solution would also serve as a reference before you start building active output stages, power supplies or whatever. See http://www.geocities.com/agalavotti/zerodac.htm for more information.

I have some spare TDA1541 and could donate you one (it's Christmas time) if you are interested.
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Old 19th December 2002, 12:36 PM   #5
UrSv is offline UrSv  Sweden
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Default Re: Support???

Quote:
Originally posted by Elso Kwak

I know nothing! I am from Barcelona! I know nothing!!!

The waiter in Fawlty Towers [joke] Or is it Faulty Towers?
I learn it from a book...

Manuel/Farty Towels
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UrSv
Those who say it can't be done should not stop those who are doing it.
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Old 19th December 2002, 12:51 PM   #6
peterr is offline peterr  Netherlands
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don't mention the war
Attached Images
File Type: jpg towers.jpg (46.6 KB, 528 views)
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Peter
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Old 19th December 2002, 02:13 PM   #7
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There is a thread I started once, but didn't started the actual work. Maybe it's time to get back to the topic again.

Non Oversampling DAC-complementing CD-PRO
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“Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC
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Old 19th December 2002, 05:41 PM   #8
halojoy is offline halojoy  Sweden
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Quote:
Originally posted by Peter Daniel
There is a thread I started once, but didn't started the actual work. Maybe it's time to get back to the topic again.

Non Oversampling DAC-complementing CD-PRO
martinwyss
I should have mentioned Peter Daniel
He is somewhat underestimated as a digital prophet.
He keeps a low profile.
And regarding Tubes, you have to wait and see, if Santa Claus brings Dice45 back.
I guess you know about him.

By the way:
I like
Jimmy Cliff's version of
"The Harder They Come, The Harder They Fall
One And All"

I once said:
"We Should Always put some music in our posts"
I think it could lighten up the day for some of our fellows.
And I try to live as I teach.
And you know I preach a lot.

Now some guys will immidiately try to prove I do not live according to my teachings.
But you are welcome.
You might "fall" like the wall of Jericho.

/jamaican halojoy under the mighty sun
----------------------------------------------------------------------
Quote:
You should do whatever keep YOUR mind satisfied.
There are many roads that goes to Roma in Italy.
Either road you take that goes to Roma
will get you there.
If you can enjoy your music and feel fine, this is the main thing.

Hifi is just a tool. Not the real thing!

Like the computers only are a tools, that can bring people together.

The experience you get is the real thing! in your mind.
Even if that experience is made up of more than your hearing.

So let us never forget to have some music in our posts.
To bring some comfort and enjoyment to others.
And for not to forget the main thing.

"One things for certain, when it comes my time
I'll leave this old world with a satisfied mind"
somebody said or sang


Last edited by halojoy on 11-17-2002 at 12:38 AM
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Old 19th December 2002, 06:18 PM   #9
BrianGT is offline BrianGT  United States
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Quote:
Originally posted by Peter Daniel
There is a thread I started once, but didn't started the actual work. Maybe it's time to get back to the topic again.

Non Oversampling DAC-complementing CD-PRO
free samples are good... looks like 6 of those ad1865-k chips would cost over $240 usd online.

Are there samples available for the TDA1541?

edit: I was referring to the picture that you posted in the other thread:
Click the image to open in full size.

--
Brian
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Old 19th December 2002, 08:15 PM   #10
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Hello all

I see, there are people and people....

Thanks so far for those of you guys which gave the first couple
links and idea's! Thanks!

And for all others: I know going to build a DAC is not a piece of cake!
But wouldn't be it, i wouldn't want to build one!!!

Kind regards
Martin
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