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Quanghao Audio Design Quanghao Audio Design is a producer of DIY Audiophile Kits and PCB boards, selected from many listening tests!

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Old 14th March 2013, 04:47 PM   #211
inforsit is offline inforsit
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Join Date: Oct 2009
Default First payment

Hi, I am inforsit. I have paid 325$.
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Old 14th March 2013, 06:17 PM   #212
smoothquark is offline smoothquark  United Kingdom
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Join Date: Oct 2010
Hi Quanghao,

Just to echo some of the questions already asked as well as my own:

1. I would like to buy the chassis. I presume the cut-outs are already done?
2. Are the power sockets and switches already connected ?
3. Are the XLR, RCA, Co-ax, Optical and AES connectors already mounted? If not, can you possibly mount them for me (happy to pay extra) ?
4. Are the power connectors mounted? If not, once again, can you possibly mount them for me (happy to pay extra) ?
5. I would like to buy the opamps (whichever combination you recommend). Can you possibly mount them for me (happy to pay extra) ?
6. I am not sure yet of buying the transformers. Is it just one transformer with 6 leads? Seems like a good price!
7. Shipping to UK ?

I already have the amanero module. Perhaps might be easier for you to PM me with those prices?

Thanks and looking forward to putting down my deposit.
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Old 14th March 2013, 09:09 PM   #213
quanghao is offline quanghao  Viet Nam
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Join Date: Sep 2009
Location: Vietnam
DAC-END R (ES9018) full assembled board Send a message via Yahoo to quanghao DAC-END R (ES9018) full assembled board
Quote:
Originally Posted by axeexa View Post
Hi ,Quanghao:
2 question,please:
1.How much are the 4 x opam 2134 if you can buy it to me
2.4 x opam 2134 and 2 x opam 627 and 2x2134 are there any difference?
Thank you.
i can buy it to you in partsconnexion.com
http://www.partsconnexion.com/product4270.html
pcX USD Price: $3 / one

an opa 627 :
http://www.partsconnexion.com/product8698.html
pcX USD Price: $65/ one

The 627 the sound is better than 2134.
Thanks
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Old 14th March 2013, 09:11 PM   #214
quanghao is offline quanghao  Viet Nam
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Join Date: Sep 2009
Location: Vietnam
DAC-END R (ES9018) full assembled board Send a message via Yahoo to quanghao DAC-END R (ES9018) full assembled board
Quote:
Originally Posted by NicMac View Post
What about half now and the rest when you are ready to ship?

Yes,
Also you need to give us some indicative shipping cost.
Yes, i need fine the price ship cheaper, and i will sent all the price to all !
thanks
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Old 14th March 2013, 09:16 PM   #215
quanghao is offline quanghao  Viet Nam
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Join Date: Sep 2009
Location: Vietnam
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Quote:
Originally Posted by smoothquark View Post
Can the TPA controller be used? The amanero is now supposed to be able to control volume via the i2c connection. Is it possible to have this on this board?
you can use The other volume controller for this DAC!

you remember use 3.3v, or use level shifting (5V to 3.3V) if your controller 5V.

thanks
Attached Images
File Type: jpg Conect volume AC.jpg (92.0 KB, 495 views)
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Old 14th March 2013, 09:28 PM   #216
quanghao is offline quanghao  Viet Nam
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Join Date: Sep 2009
Location: Vietnam
DAC-END R (ES9018) full assembled board Send a message via Yahoo to quanghao DAC-END R (ES9018) full assembled board
Quote:
Originally Posted by myfavoritething View Post
Hello, Quanghao, two last questions before I transfer money through PayPal,
1) Is the chassis fitted with holes for the front side buttons and led and the rear side input plugs or do we have to do all the mecanical work? I asked because I see a raw chassis and a finished chassis seen from the front, so which is the one we will receive?
2) What is the price of the opams as we are to pay you also for these components, at least for those wanting to buy them from you? Do we need 4 627 or 2134 or a mix, which do you advice?
Greetings

Opam 627 the sound better than 2134, nut it not cheap!
i can buy it to you in partsconnexion.com

the chassis is complete, you can simply mount the components available, without any problems, not just the front,

when completed will look like this (note that you need to buy connectors JCA and 75R).
The JAC sources, switches, buttons, surrounding components are available, the printed word, the back, too.

And this picture is for you to understand, not what I will do for you.
Attached Images
File Type: jpg nhin phai sau.jpg (793.6 KB, 471 views)

Last edited by quanghao; 14th March 2013 at 09:31 PM.
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Old 14th March 2013, 09:39 PM   #217
quanghao is offline quanghao  Viet Nam
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Join Date: Sep 2009
Location: Vietnam
DAC-END R (ES9018) full assembled board Send a message via Yahoo to quanghao DAC-END R (ES9018) full assembled board
[QUOTE=smoothquark;3410888]Hi Quanghao,

Just to echo some of the questions already asked as well as my own:

1. I would like to buy the chassis. I presume the cut-outs are already done?

yes,
2. Are the power sockets and switches already connected ?

4. Are the power connectors mounted? If not, once again, can you possibly mount them for me (happy to pay extra) ?

1.2.4 about the chasiss: the chassis is complete, there are all you ask.

3. Are the XLR, RCA, Co-ax, Optical and AES connectors already mounted? If not, can you possibly mount them for me (happy to pay extra) ?

You can buy here: DELUXE RCA (PHONO) PANEL SOCKET PCB mounting, black


5. I would like to buy the opamps (whichever combination you recommend). Can you possibly mount them for me (happy to pay extra) ?

i can buy it to you in partsconnexion.com
http://www.partsconnexion.com/product4270.html
pcX USD Price: $3 / one

an opa 627 :
http://www.partsconnexion.com/product8698.html
pcX USD Price: $65/ one

The 627 the sound is better than 2134.
Thanks


6. I am not sure yet of buying the transformers. Is it just one transformer with 6 leads? Seems like a good price!

transformers: 0-6VAC/1.5A = 2.
-18-0-18VAC/500mA = 2

7. Shipping to UK ?
ok, i sent later!I'm sorry now.

Thanks
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Old 14th March 2013, 11:08 PM   #218
myfavoritething is offline myfavoritething  France
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Join Date: Feb 2006
Location: Bretagne
Is there any special reason for using cms OPA with adaptors instead of DIP OPA 627 as there is DIP socket on the board ?
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Old 14th March 2013, 11:42 PM   #219
TarnishedEars is offline TarnishedEars  United States
diyAudio Member
 
Join Date: Feb 2013
Location: Seattle
Please note: Adding Transformers to my order (line 29 below)
Paying $325 via paypal as soon as I get finished writing this post.

1. 1 x audiodesign ( DAC base )
2. 1 x quanghao ( DAC base + DAC chassis + transfomer)
3. 1 x fansipan ( DAC base + DAC chassis + transfomer)
4. 1 x yildiray ( DAC base + I/V opamp)
5. 1 x danny_66 ( DAC base + I/V opamp)
6. 1 x MihajloTM ( DAC base + I/V opamp)
7. 1 x i2k92 ( DAC base + I/V opamp)
8. 1 x axeexa ( DAC base + I/V opamp + OP + tranfomer)
9. 1 x sipo75 ( DAC base + I/V opamp)
10. 1x Jinkslynx ( DAC base + I/V opamp + OP + tranfomer + chassis)
12. 1 x smoothquark ( DAC base + I/V opamp + OP +/-transformer +/-chassis)
13. 1 x CeeVee ( DAC base)
14.1x Smthgbrrd (DAC base + I/V opamp + OP + transformer )
15. 1 x larslang (DAC base + DAC chassis + transformer)
16. 1 x linuxfan ( DAC base + DAC chassis + transfomer)
17. 1 x randytsuch (DAC base)
18. 1 x claudio52 (DAC base + I/V opamp + OP + DAC chassis + trasformer).
19, 20. 2 x danielkol (DAC base)
21. NicMac (DAC base)
22. 1 x gjorgji (DAC base + I/V opamp + transformer + chassis)
23. myfavoritething (DAC base+ I/V op + OP +chassis + transformer)
24. MattMax (DAC base+ I/V op + OP +chassis + transformer)
25. bertchai (DAC base + I/V op + chassis)
26. kimgiin (DAC Base)
27. misterrogers (DAC Base)
28. malarkey (DAC Base)
29. TarnishedEars (DAC base + I/V opamp + DAC chassis + Transformers)
30. Boxi80 (DAC base + I/V opamp + OP + transformer)
31. 1x Ridsaudio DAC Base
32. meintan (DAC base + I/V opamp +OP + chassis)
33. Luizl (DAC base + I/V opamp).
34. inforsit (DAC base + I/V opamp + DAC chassis + trasformer)
35. xtomm (DAC base + I/V opamp)
36,37,38 3 x kgkim (DAC base)
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Old 15th March 2013, 01:24 AM   #220
axeexa is offline axeexa  Taiwan
diyAudio Member
 
Join Date: Jul 2011
Hi Quanghao,
Thank you for your reply,I change my mind,I want to order DAC chassis and please Shipping to Taiwan,and give me a shipping price please.
Please note: Adding DAC chassis to my order and remove OP (line 8 below)
Please total price,and I will pay half price as soon as,thank you.

1. 1 x audiodesign ( DAC base )
2. 1 x quanghao ( DAC base + DAC chassis + transfomer)
3. 1 x fansipan ( DAC base + DAC chassis + transfomer)
4. 1 x yildiray ( DAC base + I/V opamp)
5. 1 x danny_66 ( DAC base + I/V opamp)
6. 1 x MihajloTM ( DAC base + I/V opamp)
7. 1 x i2k92 ( DAC base + I/V opamp)
8. 1 x axeexa ( DAC base + I/V opamp + tranfomer +DAC chassis)
9. 1 x sipo75 ( DAC base + I/V opamp)
10. 1x Jinkslynx ( DAC base + I/V opamp + OP + tranfomer + chassis)
12. 1 x smoothquark ( DAC base + I/V opamp + OP +/-transformer +/-chassis)
13. 1 x CeeVee ( DAC base)
14.1x Smthgbrrd (DAC base + I/V opamp + OP + transformer )
15. 1 x larslang (DAC base + DAC chassis + transformer)
16. 1 x linuxfan ( DAC base + DAC chassis + transfomer)
17. 1 x randytsuch (DAC base)
18. 1 x claudio52 (DAC base + I/V opamp + OP + DAC chassis + trasformer).
19, 20. 2 x danielkol (DAC base)
21. NicMac (DAC base)
22. 1 x gjorgji (DAC base + I/V opamp + transformer + chassis)
23. myfavoritething (DAC base+ I/V op + OP +chassis + transformer)
24. MattMax (DAC base+ I/V op + OP +chassis + transformer)
25. bertchai (DAC base + I/V op + chassis)
26. kimgiin (DAC Base)
27. misterrogers (DAC Base)
28. malarkey (DAC Base)
29. TarnishedEars (DAC base + I/V opamp + DAC chassis + Transformers)
30. Boxi80 (DAC base + I/V opamp + OP + transformer)
31. 1x Ridsaudio DAC Base
32. meintan (DAC base + I/V opamp +OP + chassis)
33. Luizl (DAC base + I/V opamp).
34. inforsit (DAC base + I/V opamp + DAC chassis + trasformer)
35. xtomm (DAC base + I/V opamp)
36,37,38 3 x kgkim (DAC base)
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