Tube preamp question...also, chassis layout

jim_vt · 21st January 2006, 11:45 PM

Hey all...

I'm thinking about building this preamp: http://diyparadise.com/preamptutorial.html but I have a few questions.

What's the part number for a Hammond transformer that will work for something like this? I did some searching, and honestly, I'm not exactly sure what I'm looking for unless someone gives me a link to the one I need

Also, I'm probably going to build this in an enclosed chassis. What's the best way to lay out the components inside - I was thinking of using a vertical metal plate to mount the tubes and chokes.

Thanks in advance

Alain Dupont · 22nd January 2006, 12:01 AM

jim_vt,

You will find in this page the specif for the transformer...
http://diyparadise.com/simplepreamp.html

350-0-350V@100mA

You could use 320 to 330 volts transfo and about 50 to 60 mA
would be enough.

Regards.

Alain.

21st January 2006, 11:45 PM	#1
jim_vt diyAudio Member Join Date: Mar 2005 Location: Blacksburg, VA	Tube preamp question...also, chassis layout Hey all... I'm thinking about building this preamp: http://diyparadise.com/preamptutorial.html but I have a few questions. What's the part number for a Hammond transformer that will work for something like this? I did some searching, and honestly, I'm not exactly sure what I'm looking for unless someone gives me a link to the one I need Also, I'm probably going to build this in an enclosed chassis. What's the best way to lay out the components inside - I was thinking of using a vertical metal plate to mount the tubes and chokes. Thanks in advance

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22nd January 2006, 12:01 AM	#2
Alain Dupont diyAudio Member Join Date: Sep 2003 Location: Paris - France	jim_vt, You will find in this page the specif for the transformer... http://diyparadise.com/simplepreamp.html 350-0-350V@100mA You could use 320 to 330 volts transfo and about 50 to 60 mA would be enough. Regards. Alain.