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Old 24th February 2012, 11:03 AM   #1
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Default DAC with only optical input

Hi, I'm looking for a diy Kit DAC on ebay. I wont be needing anything else than optical and would keep the amount of stuff to a minimum.
Do you guys know of any such? What is the thing to look for...

regards
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Old 24th February 2012, 05:35 PM   #2
jstang is offline jstang  United States
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You can add optical easy enough.

I think you will find that most board kits do not have it.

Jk
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Old 24th February 2012, 05:40 PM   #3
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ok.
you got any starting point, what to look for and quality of such?
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Old 24th February 2012, 05:47 PM   #4
jstang is offline jstang  United States
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Twisted Pear Audio
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Old 24th February 2012, 05:49 PM   #5
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we are talking TOSLINK Optical Input Module
this signal can do directly to my preamp?
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Old 24th February 2012, 05:52 PM   #6
jstang is offline jstang  United States
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Nope, that toslink is for use between the dac and transport. The dac is outputting analog signals.


Jk
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Old 24th February 2012, 06:01 PM   #7
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hmm seems like I have missed something.
So computer outputs 16bit 96khz toslink receives and put it to a DAC?
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Old 24th February 2012, 07:29 PM   #8
jstang is offline jstang  United States
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Your computer is the transport.

What outputs do you have from the computer?

The dac will take a digital format input and convert it to analog output. The digital input might be co-ax or tos-link or USB or others.... The analog outputs are usually RCA jacks. And those connect to the preamp.


Some preamps have a dac built in. Which then would have some type of digital input.


Jk
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Old 24th February 2012, 09:04 PM   #9
Shamron is offline Shamron  Norway
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Hi. This is a friend of Woshborn (He's sitting here with me, i'm just not fond of logging in and out of accounts) ;-)

He's got an iMac with optical (toslink) out will use a preamp after the dac. He's interested in knowing what's considered the "best" diy dac out there at the moment. Gigawork sells the common "large" one from the 2000+ post thread on these forums, but he also sells a more compact dac consisting of two pcb's. One dac board and a separate psu board. He thinks that the large one is too large and I personally don't like the word "compact version" as it makes me believe there are compromises in the circuitry.

His needs are optical ONLY and 24bit/96Khz. Do you guys have any reccomendations for him that you personally have experience with?

Also, does anyone have any experience with using these compared to using a single chip opamp? : eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices

It sure looks awesome and the "wow-factor" itself almost makes it worthwile, but i notice that it's using Dale 1% resistors and that makes me believe this solution is more accurate and less "compromicy" than using a single chip.

Answers are highly appreciated as we are two that wonders about these questions.

Wishborn and Shamron.
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Old 24th February 2012, 10:26 PM   #10
jstang is offline jstang  United States
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Well the problem is that going with home build kit.... Implies you have done your home work.

People will give you a lot of suggestions....but you will stil need to do your home work.

Reason is that personal opinion of sound quality will come into play.

Jk
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