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Old 19th May 2010, 12:26 PM   #11
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You see here my new finished Reference DAC Project.

Click the image to open in full size.

  • Custom made transformer on double C-Cores
  • +/- Power Supply Module with four voltage lines
  • Shunt regulator Modules for each voltage line (+5V, -5V, -15V, +5V)
  • TDA1541A NOS DAC Module with I2S input, DEM reclock circuit and I2S attenuator , cascadable !
  • Tube-I-zator output buffer Module
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Reference TDA1541A DAC project PCBs / Tube-I-zator PCB / SSHV-Shunt PCB
Stock status in my Blog

Last edited by dvb projekt; 19th May 2010 at 12:35 PM.
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Old 23rd May 2010, 02:56 AM   #12
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Here's my latest.

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Sheldon
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Old 28th May 2010, 09:00 PM   #13
1543 is offline 1543  Germany
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TwistedPearAudio Buffalo II Dac (ESS Sabre 9018)
Upgraded IVY III with Bulk Foils Resistors S102C from Texas Components
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File Type: jpg Hinten.jpg (93.2 KB, 2490 views)
File Type: jpg Foils.jpg (193.7 KB, 2507 views)
File Type: jpg Buffalo_II_LQ.jpg (165.1 KB, 1229 views)
File Type: jpg Oben_Offen_LQ.jpg (182.2 KB, 1287 views)
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Old 28th May 2010, 09:09 PM   #14
poler is offline poler  United States
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nice!!! did you make that chassis?
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Old 28th May 2010, 10:05 PM   #15
1543 is offline 1543  Germany
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Thanks.

No, I do not have equipment to do CNC milling and engraving by myself.
The Alu-Profiles are from km-housings. Milling and engraving of the panels was done by Schaeffer-Apparatebau (Frontpanelexpress in US)
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Old 31st May 2010, 05:40 PM   #16
sjalloq is offline sjalloq  United Kingdom
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1542 - 2 questions about your very nice case.

Where did you get the front panel knobs from? I'm finding it near impossible to find what I'm looking for.

And do you have any pictures of how you mounted the display? I'd like to do something similar but am unsure of the mechanics of fixing it to the front panel.

Thanks a lot.
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Old 1st June 2010, 07:32 AM   #17
1543 is offline 1543  Germany
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Quote:
Originally Posted by sjalloq View Post
Where did you get the front panel knobs from? I'm finding it near impossible to find what I'm looking for.
I get the panel knobs form a ebay seller named hongkongsuperseller (Item# 120495984706)

Quote:
Originally Posted by sjalloq View Post
And do you have any pictures of how you mounted the display? I'd like to do something similar but am unsure of the mechanics of fixing it to the front panel.
For now there is no display assembled. I am still waiting for the controller / display announced by twistedpearaudio. What you see at the pictures is a piece of plexiglas with no display behind.
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Old 1st June 2010, 09:00 PM   #18
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Here is mine:
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Old 10th June 2010, 10:42 PM   #19
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Hi folks,
here are some pics of my almost 4 years old DIY DAC with PCM1796 and its measurements with AudioPrecision SYS-2. It uses ADAV803 as SRC and has a link input for my DSP Equalizer (also DIY, but not on my homepage yet :-(

Click the image to open in full size.http://www.ac-vogel.de/UltiDAC/UltiDAC.html
Click the image to open in full size.
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Old 8th July 2010, 11:55 PM   #20
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My Scott Nixon USBDKII, based on the TDA1543.

Simple but very good sounding unregulated power supply, integrated volume control (Alps 20k), Sedlbauer toroid transformer 30VA, Wima output caps and the very important Sanyo Oscon for TDA1543 decoupling ;-)

I really like the sound of this dac! It's dynamic and fast, lively, coherent and natural sounding with a remarkably controlled and tight bottom end. Very open and forward, but without being excessive in any area.
But I tested MANY different power supply designs and different output coupling caps before I threw all this into the case...
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