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smith01793 21st January 2012 12:40 AM

New Tim Mellows OTL project

This is my first post so bear with me please,

I have been collecting parts to build the Tim Mellows OTL for about 3 months now and have now started the build..

This is my second recent valve project , I did build a Mullard 5-10 back in the 70s so I chose the Mullard 3 -3 stereo as my return valve listening (mainly due to having the ef86 /el84 tubes + transformers from an old tape recorder) it sounds fantastic but it is not quite loud enough.
I have spent the year playing with different circuits and Tim,s circuit seems the most sensible OTL yet, so I have decided to go with it... I will post pictures of the progress as I go.

smith01793 21st January 2012 01:17 AM

starting the top panel

smith01793 21st January 2012 01:23 AM

smith01793 21st January 2012 01:28 AM

smith01793 21st January 2012 01:32 AM

wintermute 21st January 2012 01:33 AM

Hi smith01793 only one of the images is coming up for me. If I open the links in a new tab they work. You might want to try attaching the images direct.

Click the Go Advanced button and you have a section to manage attachments.

edit: make that two are visible the last one works too.


smith01793 21st January 2012 01:34 AM

smith01793 21st January 2012 01:39 AM

smith01793 21st January 2012 01:44 AM

Hi wintermute,

thanks for the info, I will post more pictures and with more info as I go

you can view my all mypictures on flickr

Mark Allen 21st January 2012 08:02 PM

I am doing the same thing... and almost have all the parts at hand. I am also wondering if it is possible to upscale this amplifier...larger OP tube filament tranny and larger mains tranny to get more like 40 to 50 watts a side??


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