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Old 6th April 2008, 05:54 PM   #1
NJE807 is offline NJE807  United Kingdom
diyAudio Member
Join Date: Oct 2007
Cool New boy looking for proper sound reproduction


I joined this forum a while ago, as my google searches would often lead me here!

I have been drawn into the heady world of valve amps and horn speakers by both my brother (original World Audio Design PP ECL82's), and a colleague at work ( MingDa 805 SET's).

I have been working for the past 15 years as a CAD designer and mechanical engineer to the automotive industry, and prior to that gained an apprenticeship in toolmaking ,which I continued with for 10 years.

As you can imagine I have no formal training in electronics, in fact I found it pretty heavy going at colleague, but I have decided to have a go at making some valve amps, and suitable speakers.

I have read all the books by Morgan Jones, and Bruce Rozenblit, and others, and I am part way through building some mono blocks with 807's as output valves (directly coupled to some ECC81's, and wired as triodes), Hence the moniker NJE807.

I have been reading articles on this forum for a while now, soaking up information, especially on valve circuits and speaker design , and appreciate the gracious wealth of knowledge available from learnt scholars of the subject.

The thing I really want to grasp, is HIFI from first principles. The idea of building a simple circuit, instead of buying a plastic box full of cheap components is where it's at for me.

Kind Regards,

Neil Edgar

The more you learn, the more you realise, there is still more to learn.
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Old 6th April 2008, 10:06 PM   #2
diyAudio Member
Join Date: Sep 2006
Location: Wirral UK
If you still have access to a machine shop, I think a man that can make nice volume knobs and the like would find many friends here!

Be warned though, it's adictive.

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Old 6th April 2008, 11:48 PM   #3
49 - for the 19th time!!!
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Join Date: Oct 2006
Location: Near "Music City" (Nashville Tennessee)
Originally posted by john blackburn
I think a man that can make nice volume knobs and the like would find many friends here! John
Welcome to diyAudio Neil - The "simple circiuts" are the most difficult ones to master! IF you can design or devise a simple circuit that sounds sweet AND connect it to some Knobs that you have machined - (and perhaps a nice front panel) - then you will gain about 92,674 friends (if the membership counter is running correctly)!
DIY audio can be expensive but getting to see things go up in smoke - that's priceless!!!! ..... "whatever - call it brainfart of Mighty ZM"
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Old 7th April 2008, 03:19 PM   #4
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Join Date: Jan 2004
Location: Near Vancouver
Hello Neil and welcome to the forums.
planet10 needs your help:
Let's help Ruth and Dave
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