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Digital input section completed!

Posted 12th August 2013 at 06:56 AM by dvb projekt

Now the digital input section is completed!


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Wave I/O for USB input --> SPDIF/AES input board --> FIFO --> Isolator board -->
Dual Clock board with Crystek CCHD-957 clocks (powerd exclusive from a A123 Systems LiFePo4 cell) -->
Ians I2S to PCM V2.0 Module --> Red Baron



Because i use two Red Barons parallel, i added two additional U-FL connectors for DR and DL.


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High resolution pictures of my projects

Posted 19th June 2013 at 10:54 AM by dvb projekt

From today you will find high resolution pictures

of all my projects at my

flickr

Webside




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Ultra high-end amplifier for Stax Electrostatic Headphones

Posted 11th June 2013 at 06:15 PM by dvb projekt

Because my Stax SR-404 Limited is now one year in his box without using...


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...i start a new project, based on the fabulous circuit from Andreas Rauenbuehler on high-amp.de




The Transistoramp V4.0

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My pcbs are ready and now i am collecting the parts.

A set of wonderful teflon Stax Pro and Normal jacks, ive got from a group buy on Head Case.

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So stay tuned...

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Tube-I-zator Output Cap Upgrade

Posted 3rd May 2013 at 03:23 PM by dvb projekt
Updated 15th May 2013 at 07:56 AM by dvb projekt (Sound review added)

My last dream come true!

The output cap upgrade to the holy grail...

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DUELUNDs CAST PIO Copper Cap!






Therefore the Tube-I-zator must go to the 2nd floor

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Click the image to open in full size.


Sound review


Now after ~150 hrs. burn in time, i will share my impressions with these outstanding caps.

I had a dj vu after changing from my previous Mundorf Suprem silver/gold/oil caps to the Duelund CAST PIO Copper.
The same difference as in my 300B mono blocks.

This openness, clarity, three-dimensionality with so many more subtleties and micro informations, absolute breathtaking.
Only the Duelund CAST has the possibility to reproduce this 3D soundstage
...
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Secure source for A123 Systems LiFePo4 cells

Posted 16th April 2013 at 04:53 PM by dvb projekt
Updated 25th May 2013 at 05:15 AM by dvb projekt (2nd source added)

All members who want to use LiFePo4 cells from the leading company A123 Systems
and want a secure source to get no fakes,
could order them at Lipopower Ltd. in Germany.

The original cells are from the German A123 Systems distributors Reva or BMZ.

You could order them with or without solder taps.

Click the image to open in full size. Click the image to open in full size.


Also a Ri selection is possible.

International shipping and paypal payment is no problem!





P.S.: If you have any questions, send an e-mail to Mr. Karl-Heinz Hofmann with regards from me!

------------------------------------------------------------------------------------------------------



Ive got an email from A123 Systems with a 2nd source


Quote:
Dear Oliver,

Based
...
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Red Baron V4.0 - 3.3V I2S attenuator modification

Posted 29th March 2013 at 01:15 PM by dvb projekt
Updated 28th July 2014 at 10:04 AM by dvb projekt

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Red Baron V4.0 free running DEM oscillator modification

Posted 29th March 2013 at 12:02 PM by dvb projekt
Updated 28th July 2014 at 10:07 AM by dvb projekt

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Personal announcement

Posted 26th March 2013 at 05:24 PM by dvb projekt
Updated 26th March 2013 at 05:27 PM by dvb projekt

Well my friends it is time again to say thanks to all of you, who like and ordered my pcbs.

Because i am no developer of electronic circuits but have the knowledge to design pcbs,
i wanted to give something back to the community.

Since i started with my 1st pcb, the Optical-Volume-Control on 15th October 2009,
a small donation from every sold pcb goes to diyaudio.com

Today i am proud to say that your cumulated donation achieve

$ 3104

Keep on having fun with my pcbs and best regards

Oliver
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Tube-I-zator / TDA1541A recommended modification #2

Posted 24th March 2013 at 02:10 PM by dvb projekt
Updated 28th July 2014 at 10:15 AM by dvb projekt

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Tube-I-zator V2.0 / TDA1541A recommended modification

Posted 20th March 2013 at 10:11 PM by dvb projekt
Updated 28th July 2014 at 10:10 AM by dvb projekt (Resistor type added)

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