OLD THREAD Hi-end phono preamplifier by Andrea Ciuffoli

quanghao · 16th February 2010, 12:59 AM

Dear friends!

Many members are encouraged me to use the phono boards for D3A.

I was make it for my system, it is simple and the sounds is very good, i lke it You can see this Phono in the image and design in this link:Hi-end phono preamplifier

apelizzo · 01:36 PM

Quote:

Originally Posted by quanghao

Dear friends!

Many members are encouraged me to use the phono boards for D3A.

I was make it for my system, it is simple and the sounds is very good, i lke it You can see this Phono in the image and design in this link:Hi-end phono preamplifier

Yes, thank you, it was in my bucket list. I've got the tubes and all the good parts collected. Do you also provide the PCB for this project? I was just about to design the PCB.

audiodesign · 19th February 2010, 02:30 PM

I have some my friends interested to build this easy and good phono preamplifier so if we will arrive to 50 persons the price should be only 50$ each including shipping cost.

This project use D3a easy to find on Ebay germany shop at 10-12$ each.

The sound depend by the passive components used.

gioz · 19th February 2010, 05:40 PM

I'm interesting :-)

toufu · 19th February 2010, 06:04 PM

I am interested.. Put me down for 1 set.

audiodesign · 19th February 2010, 06:31 PM

I am thinking to use a Salas shunt on high voltage power supply as alternative to the Virtual Battery.

analog_sa · 19th February 2010, 06:39 PM

Quote:

Originally Posted by audiodesign

I am thinking to use a Salas shunt on high voltage power supply as alternative to the Virtual Battery.

This is a must. I wouldn't use anything else in low level circuits and power amp driving sections. In comparison series regulators really suck.

pred · 19th February 2010, 10:38 PM

I am interested as well, is 50USD for the PCB?

audiodesign · 20th February 2010, 08:15 AM

The 50$ should include the pcb of the preampl., the pcb of the power supply and the shipping cost.

pred · 20th February 2010, 10:37 AM

Quote:

Originally Posted by audiodesign

The 50$ should include the pcb of the preampl., the pcb of the power supply and the shipping cost.

count me in for at least one set

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19th February 2010, 02:30 PM	#3
audiodesign diyAudio Member Join Date: Sep 2005	I have some my friends interested to build this easy and good phono preamplifier so if we will arrive to 50 persons the price should be only 50$ each including shipping cost. This project use D3a easy to find on Ebay germany shop at 10-12$ each. The sound depend by the passive components used.

19th February 2010, 05:40 PM	#4
gioz diyAudio Member Join Date: Jul 2008	I'm interesting :-)

19th February 2010, 06:04 PM	#5
toufu diyAudio Member Join Date: Jun 2008 Location: San Francisco	I am interested.. Put me down for 1 set.

19th February 2010, 06:31 PM	#6
audiodesign diyAudio Member Join Date: Sep 2005	I am thinking to use a Salas shunt on high voltage power supply as alternative to the Virtual Battery.

19th February 2010, 10:38 PM	#8
pred diyAudio Member Join Date: Aug 2004 Location: Neuchatel	I am interested as well, is 50USD for the PCB?

20th February 2010, 08:15 AM	#9
audiodesign diyAudio Member Join Date: Sep 2005	The 50$ should include the pcb of the preampl., the pcb of the power supply and the shipping cost.

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