First Tube Amp

jpr_pt · 15th January 2009, 11:22 AM

Does anyone has build the "Straight" Amp published at an old Elektor magazine (Apr 2003)?
Although this has Copywrite protection, the article is available on the net...

It uses Lundahl transformers and EL34 output tubes.

Comments on this project welcome.

jpr_pt · 2nd February 2009, 05:53 PM

The project is available at

http://hellsite.free.fr/guitare/ampl...i_a_tube_1.pdf
http://hellsite.free.fr/guitare/ampl...i_a_tube_2.pdf

philipbarrett · 2nd February 2009, 06:19 PM

My first amp was Bob Danielak's Darling. Nice & simple to build & still today I've been unable to find something I like any better. Bob includes both the amp & psu schematics so there's no guess work.

My next build will be a kind of Super-Darling as soon as the MagnaQuest OPTs get here (and I get more than 1 day off).

http://www.geocities.com/TimesSquare/1965/darling.html

Jeb-D. · 2nd February 2009, 07:32 PM

The "strait" amp looks pretty tough for a first build.

jpr_pt · 3rd February 2009, 10:09 AM

Jeb-D.

I think you're right.
This is my first try at a tube amp.
My previous experience allowed me to build a complete Borbely pre-amp and a Pass A75 (my actual equipment), and I'm a bit confident.
I've being collecting information (MJones and Vanderveen books, audioexpress magazine, and of course this forum).

I would like to have some feedback from someone who already had build one.

15th January 2009, 11:22 AM	#1
jpr_pt diyAudio Member Join Date: Dec 2008	First Tube Amp Does anyone has build the "Straight" Amp published at an old Elektor magazine (Apr 2003)? Although this has Copywrite protection, the article is available on the net... It uses Lundahl transformers and EL34 output tubes. Comments on this project welcome.

2nd February 2009, 05:53 PM	#2
jpr_pt diyAudio Member Join Date: Dec 2008	Amp Diagram The project is available at http://hellsite.free.fr/guitare/ampl...i_a_tube_1.pdf http://hellsite.free.fr/guitare/ampl...i_a_tube_2.pdf

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2nd February 2009, 07:32 PM	#4
Jeb-D. diyAudio Member Join Date: Nov 2005 Location: SoCal	The "strait" amp looks pretty tough for a first build.

3rd February 2009, 10:09 AM	#5
jpr_pt diyAudio Member Join Date: Dec 2008	Jeb-D. I think you're right. This is my first try at a tube amp. My previous experience allowed me to build a complete Borbely pre-amp and a Pass A75 (my actual equipment), and I'm a bit confident. I've being collecting information (MJones and Vanderveen books, audioexpress magazine, and of course this forum). I would like to have some feedback from someone who already had build one.

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