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DIY Marantz 7C

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1#
oldbeandad 發表於 2008-2-2 12:14:38 | 顯示全部樓層
Hi folks,

May I join in to bring your attention to a good pre-amp which is not as popular as the M7 and Matisse do.  It is called "Magus" of which the circuit was designed by Bruce Moore.  I have my Magus built 20 years ago and it is still with me now.  It has the phono stage, so I hook it up to my turntable.  For listening to CDs, I have the Matisse which was built almost 18 years ago if I am not mistaken.

There are 5 common tube pre-amp circuits introduced in the Audiophile (The high end audio journal of Hong Kong).  You guys may be interested in.

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2#
oldbeandad 發表於 2008-5-18 22:03:25 | 顯示全部樓層
Dear Alant,
I understand that it is not appropriate for us to talk about kids in this forum.  But I just cannot control myself because I am having the same problem which bothers me too much and makes me loose my appetite on my hobby - audio DIY.
You are in a better position than I am because your older son is still young and you  have time to design a better circuit for his brain.  Over the last three years, I have been working very hard to look for good circuit for my younger son.  Now, it is still fruitless even I urge my daughter (my first child) to do something.  Yes, my daughter is very smart.  Having graduated from the top university in Canada, she is now doing her Ph D in neuroscience in a very famous university in Europe.  My older son graduates from a very famous university in Canada this year.  He finished his final exam in April and got a good job early this month.  But my younger son, he is still waiting for a circuit.  In high school, he did pretty good so that he could get into the top universiy in Canada for engineering.  I thought that he must be the one who takes over my electronic stuff.  At the end of his first year, he got suspended from that university.  Then he turned to college.  After one year in college, he entered a second level university for electrical engineering.  Two years later, he got suspension again.  I don't really know what he should do after this summer.   Back to college again seems to be the only way to go.  So, I sincerely hope that someone can show me a effective circuit.  Should you find a good circuit for your older son, don't forget to let me share.
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