NE5532 as a pre amp for a Szekeres headphone amp

zebra100 · 10th June 2009, 02:48 PM

I am putting together (albeit very slowly) a headphone amp based on this design (http://www.headwize.com/projects/sho...e1_add_prj.htm) with an added CCS output stage, to go inside my passive pre for my LM3875 dual mono Gainclone.

I have aquired a Low noise preamp kit from Maplins (UK) based around an NE5532 dual opamp http://www.maplin.co.uk/Module.aspx?ModuleNo=220053.

My question is, would it be possible to impliment this preamp into the Szekeres design? Would it just be a case of connecting the output of the op-amp to the the input of the MOSFET amp?

Chris.

AndrewT · 12th June 2009, 03:05 PM

your Maplin link takes me to the front page.

Why do you need a preamp before the headamp?

What's wrong with feeding your signal straight to the volume pot?

zebra100 · 1st July 2009, 09:15 AM

It was just a general question. It is not my intention to fit it, I was just exploring the possibilites. A bit of experimentation helps the learning process

.

Chris.

10th June 2009, 02:48 PM	#1
zebra100 diyAudio Member Join Date: May 2008	NE5532 as a pre amp for a Szekeres headphone amp I am putting together (albeit very slowly) a headphone amp based on this design (http://www.headwize.com/projects/sho...e1_add_prj.htm) with an added CCS output stage, to go inside my passive pre for my LM3875 dual mono Gainclone. I have aquired a Low noise preamp kit from Maplins (UK) based around an NE5532 dual opamp http://www.maplin.co.uk/Module.aspx?ModuleNo=220053. My question is, would it be possible to impliment this preamp into the Szekeres design? Would it just be a case of connecting the output of the op-amp to the the input of the MOSFET amp? Chris.

12th June 2009, 03:05 PM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	your Maplin link takes me to the front page. Why do you need a preamp before the headamp? What's wrong with feeding your signal straight to the volume pot? __________________ regards Andrew T.

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1st July 2009, 09:15 AM	#3
zebra100 diyAudio Member Join Date: May 2008	It was just a general question. It is not my intention to fit it, I was just exploring the possibilites. A bit of experimentation helps the learning process . Chris.

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