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Digital Line Level DACs, Digital Crossovers, Equalizers, etc.

Why Do DACs Always Contain an Op-Amp?
Why Do DACs Always Contain an Op-Amp?
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Old 26th September 2018, 03:08 PM   #21
Markw4 is offline Markw4  United States
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Quote:
Originally Posted by spaceman5 View Post
The difference between the ES9018K2M's chip price and the ES9038Q2M's chip price is not what causes the expensive DACs to cost hundreed or thousands of dollars.
Agreed.

Quote:
How do you upsample?
AK4137 right before the dac chip.


Quote:

It shows ...s not bad at all.
It's a 120$ DAC.
What do you think about it?
Still junk?
The reviewer only measures, they don't listen. Even when the person does try listening it is clear they do not hear differences between dacs virtually at all. They should get a reviewer who can hear details to work with the measurements guy, IMHO.

And, yes, junk to me.

Last edited by Markw4; 26th September 2018 at 03:11 PM.
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Old 26th September 2018, 03:46 PM   #22
spaceman5 is offline spaceman5  Israel
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Quote:
Originally Posted by Markw4 View Post
AK4137 right before the dac chip.
Nice.
What chip is your DAC based on?


Quote:
Originally Posted by Markw4 View Post
And, yes, junk to me.
Tough
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Old 26th September 2018, 03:52 PM   #23
Markw4 is offline Markw4  United States
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It is an ES9038Q2M.
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Old 26th September 2018, 04:01 PM   #24
spaceman5 is offline spaceman5  Israel
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Quote:
Originally Posted by Markw4 View Post
It is an ES9038Q2M.
Thanks.
I hope their implementation was that good that it's worth the really high price.
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Old 26th September 2018, 04:08 PM   #25
Markw4 is offline Markw4  United States
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Quote:
Originally Posted by spaceman5 View Post
Thanks.
I hope their implementation was that good that it's worth the really high price.
The dac I turned into a very good one for maybe around $200 is a Q2M.
The dac I bought as a finished product uses an ES9028PRO.
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Old 26th September 2018, 04:08 PM   #26
spaceman5 is offline spaceman5  Israel
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BTW,
not all my DACs are PCB without enclosure

There are 2 that actually came enclosed.

1) Roccat Juke
2) Behringer UCA202


The Roccat Juke is not musical.
It's based on one of Cmedia's chips, and I definitely cannot recommend it.
(tho it is better than usng your motherboard's Line Out..)

The Behringer UCA202 is much better.
You also hear lower bass frequencies with it.
It's based on TI (Burr-Brown) PCM2902, and costs 30$.


The other 5 I ordered are still on the way.

I am trying each DAC for a week, to get a long enough feeling of what it's worth.


Maybe after all these experiments I will try a several hundreds one.
But it won't be a multiple model experiment like here..
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Old 26th September 2018, 04:12 PM   #27
spaceman5 is offline spaceman5  Israel
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Quote:
Originally Posted by Markw4 View Post
The dac I turned into a very good one for maybe around $200 is a Q2M.
The dac I bought as a finished product uses an ES9028PRO.
Oh..
So in any case, ESS Sabre is your top DAC, from what can be seen here.


Quote:
Originally Posted by Markw4 View Post
The dac I turned into a very good one for maybe around $200 is a Q2M.
Did you stay with the PCB that it came on,
or completely revised (and printed) a new PCB?
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Old 26th September 2018, 04:23 PM   #28
Markw4 is offline Markw4  United States
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The original pcb is still there. There is a lot more to it though.
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Old 26th September 2018, 04:25 PM   #29
spaceman5 is offline spaceman5  Israel
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OK..

Maybe after I finish with the current series, you'll give me an advice on how to make something close to it..
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Old 26th September 2018, 04:27 PM   #30
Markw4 is offline Markw4  United States
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You can see a picture here: ES9038Q2M Board
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