DAC-END 24 (AD1865 NOS DAC ) - diyAudio
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Old 26th November 2014, 11:37 PM   #1
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Default DAC-END 24 (AD1865 NOS DAC )

DAC-END 24 (AD1865 NOS DAC )

AD1865 is a dac chips with natural sound and inspiring.

ago, Andrea and I had success with DAC-end, now I have upgraded dac-end 16-bit, 24-bit up-end DAC.

it receives the input frequency of 192 KhZ- 24bit and special use Amanero to use USB audio source from your computer.

invited to view some links:
DAC End - the AD1865N-K with single ended vacuum output stage
DAC-END The best DAC AD1865- UPDAT 2011
DAC End 2 - the AD1865N-K with single ended vacuum output stage


DESRICRIPTIONDAC-24

NOS DAC-AD1865- 192Khz
Quanghao-Andrea

Description:
DAC AD1865 unit accept 192KHz input with operate NOS (non-oversampling) mode.
  • Structure:
Digital input:
1 x coaxial input,
1 x Optical
1 x AES/EBU- Balance in put
1 x USB Amanero
1 x selected in put
1x AD1865
1x Cs8416
1x HQ-01 Transfomer supply: 0-6V*2
Analog output : R IV passive
Digital section : using AD1865 as digital receiver CS8416 + Amanero USB.

DAC module assembled and tested with all components

  • DAC kit Design construction:
1. NOS (non-oversampling) application
2. 3 x low noise, low Z-out shunt regulator
3. 2 x LT regulator for Digital + USB
4. 4 stages regulation for digital section
6. Audio grade components were used.
7. OSCON capacitors used for digital section
8. The composition resistors Vishay error of 1%,
9. 1 x Transfomer supply: 0-6V *2

PCB size 216 mm x 110 mm, 1.6 mm double sides board with gold plated.

Optional: You are welcome to ask if you have any question on the assembly and more information.
Shall not be reproduced without consent!
Attached Images
File Type: jpg Overview-design-DAC-24-AD1865.jpg (313.0 KB, 146 views)
File Type: jpg DAC-end24.1.jpg (189.3 KB, 135 views)
File Type: jpg DAC-end24.2.jpg (339.0 KB, 137 views)
File Type: jpg DAC-end24.3.jpg (367.1 KB, 131 views)
File Type: jpg DAC-end24.4.jpg (383.8 KB, 126 views)
File Type: jpg DAC-end24.5.jpg (342.8 KB, 46 views)
File Type: jpg DAC-end24.6.jpg (358.9 KB, 60 views)
File Type: jpg DAC-end24.7.jpg (206.6 KB, 55 views)
File Type: jpg DAC-end24.8.jpg (410.3 KB, 58 views)
File Type: jpg DAC24.13.jpg (181.6 KB, 66 views)
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update 06/14/2013 :http://www.audiodesignguide.com/DAC32/index2.html

Last edited by quanghao; 26th November 2014 at 11:53 PM.
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Old 7th December 2014, 07:36 PM   #2
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Hi, I'm very, very interested this project including tube output with Lundahl trafos.
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Old 10th December 2014, 07:47 AM   #3
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Join Date: Jul 2013
This looks like an awesome increment in the DAC-End design. I'm also very interested in buying one of these. Are you selling them yet Quanghao?
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Old 14th December 2014, 06:09 AM   #4
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Quote:
Originally Posted by zubrze View Post
This looks like an awesome increment in the DAC-End design. I'm also very interested in buying one of these. Are you selling them yet Quanghao?

please see in: http://www.audiodesignguide.com/AD1865v2/index.html

and PCB ll1660 i will make now
thanks
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Group buy DAC-END R (ES9018) full assembled board
update 06/14/2013 :http://www.audiodesignguide.com/DAC32/index2.html
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Old 14th December 2014, 11:42 AM   #5
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Many thanks Quanhao, I can't wait to get one! When do you think the LL1660 boards will be ready?
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