Help for my DAC.....

fabiodord · 22nd May 2007, 08:06 PM

Hello Everybody!

I'm Italian and this is my first message in this forum (the best forum ....)

I'm here for my DAC.... some weeks ago I assembled a circuits for my project, CS8416 as receiver set in hardware mode ,AD1955 as dac and I/V conversion stage advised by AD1955 datasheet.

When I listened the result for the first time I was very enthusiastic but after some listenings with my friends I decided to modify my project.....

Now the question, what circuit could I use to convert balanced signal to unbalanced with buffer tube?

Thank you very much!!!!

oshifis · 23rd May 2007, 05:03 AM

Try my tube I/V stage with the appropriate biasing:

Laszlo's Valve Output Stage with Lundahl transformer

fabiodord · 24th May 2007, 06:26 AM

Thank you very much for your reply.

Very interesting circuits!.... I try to buy transformer to do this project.

Have you another circuit for the same application but without transformer?.... just for try variants.

Thank You for your precious time!

Fabio.

22nd May 2007, 08:06 PM	#1
fabiodord diyAudio Member Join Date: Feb 2007 Location: Parma	Help for my DAC..... Hello Everybody! I'm Italian and this is my first message in this forum (the best forum ....) I'm here for my DAC.... some weeks ago I assembled a circuits for my project, CS8416 as receiver set in hardware mode ,AD1955 as dac and I/V conversion stage advised by AD1955 datasheet. When I listened the result for the first time I was very enthusiastic but after some listenings with my friends I decided to modify my project..... Now the question, what circuit could I use to convert balanced signal to unbalanced with buffer tube? Thank you very much!!!!

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23rd May 2007, 05:03 AM	#2
oshifis diyAudio Member Join Date: Mar 2004 Location: Budapest, Hungary	Try my tube I/V stage with the appropriate biasing: Laszlo's Valve Output Stage with Lundahl transformer

24th May 2007, 06:26 AM	#3
fabiodord diyAudio Member Join Date: Feb 2007 Location: Parma	Thank you very much for your reply. Very interesting circuits!.... I try to buy transformer to do this project. Have you another circuit for the same application but without transformer?.... just for try variants. Thank You for your precious time! Fabio.

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