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Old 17th February 2012, 10:41 AM   #1
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Default FULLY FINISHED ES9023 DAC KIT GROUPBUY

I am offering a group buy for the ES9018 Reference Audio DAC PCBs. You can make your own very high performance ES9018 DAC using this PCB at home. This is a all-in-one DAC board with everything onboard including IV stage, pre-regulators, main regulators, separate AVCC buffers, isolated I2C interface, etc. The power supplies and IV stage can be bypassed if buyers wish to have their own IV stage and regulators. A single DAC board works in stereo configuration. Two dac boards can be used if buyers wish to have it in mono configuration. The DAC can be controlled using Arduino controller. The pcb is a high quality FR4 pcb. The pcb size is about 200 mm (l) x 110 mm (b). All necessary documentations will be provided for easy assembling of the DAC.

Cost per dac board - $85

Shipping charge for single board - $15 (Shipping charge for additional boards - $10 each)

paypal charges - $5


The PCB 2D shots are as follows.

Click the image to open in full size.

Click the image to open in full size.


Members who are interested in participating in the groupbuy can PM with paypal ID and number of boards required. This is a pre-order offer. The boards will be shipped out in about 8 to 10 days from today.
 
Old 17th February 2012, 11:40 AM   #2
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Does this price include the dac chip itself?
 
Old 17th February 2012, 11:50 AM   #3
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Can you post schematic?

Thanks in advance
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Old 17th February 2012, 05:35 PM   #4
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Hello heartwinter, did you assemble a prototype of this design? Since being a complex board one would like to know if the design works. Without such a confirmation it would be wise spending time and money on assembling this given the difficulty of procuring ES9018 DAC chip in smaller quantities.

If you already have a prototype done and tested then please post the pictures of the assembled board.

Thanks in advance!

Last edited by free2dev; 17th February 2012 at 05:38 PM.
 
Old 17th February 2012, 06:33 PM   #5
enantra is offline enantra  Spain
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hi heartwinter 2 boards for me!
best regards
 
Old 17th February 2012, 07:06 PM   #6
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Quote:
Originally Posted by free2dev View Post
Without such a confirmation it would be wise spending time and money on assembling this given the difficulty of procuring ES9018 DAC chip in smaller quantities.
I meant to say it wouldn't be wise
 
Old 19th February 2012, 02:30 PM   #7
qusp is offline qusp  Australia
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shouldnt decoupling be a LOT closer in order to ermm... decouple? why only one GND connection for i2s?
 
Old 19th February 2012, 03:13 PM   #8
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I dont understand why each additional shipping charge is $10
 
Old 20th February 2012, 10:28 AM   #9
SY is offline SY  United States
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Since this is a commercial offering, not a group buy, I have moved this to the Vendors area.
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Old 22nd February 2012, 07:36 PM   #10
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As I spent last few days setting up account with Ismosys and negotiating the shipping prices of ES9018 (successfully) and datasheet availability, I may be interested in couple of the boards, if there would be possibility of some price discount for them ;-)
 

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