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Old 30th April 2004, 01:37 PM   #1
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Default What is the best amplifier project...?

Can you post the best (for you) DIY solid stat amplifier project?
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Old 30th April 2004, 02:52 PM   #2
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REPRINT FROM "Taunton's Fine Woodworking" MAGAZINE OCTOBER 1997 NO. 126

Making Music With A Plane by James Krenov

"My first suggestion would be to ask yourself, 'Am I doing this out of curiosity or do I believe in it? Do I intend to arrive at a point where this becomes a thing for me, and I know that I can make a good wooden plane anytime I want to and can do fine things with it?' If it's mere curiosity, then it becomes just like anything else we do for the sake of exercise. Just so we can prove we can go through the ABC's of it.
I think its important not to fail completely with the first plane, because then you might not make a second one. You could be missing things. Do try to get the essentials right on the firs one, and get it to where, yes, it does work, and yes, I can make a better one, and yes, I will make a better one."

Just some thoughts, I have made a few amps, I could never claim that one project was the best one.

Milo

PS I apologize for the copyright infringement. On a side note this magazine is one of the best woodworking magazines I have ever seen, few advertisements, 1/3 articles, 1/3 instructions, 1/3 reviews.
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Old 30th April 2004, 11:27 PM   #3
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Default Yes, i can...but cannot be good to you

It depends of your years, your personallity, your head and your actual feelings.
Also depends your house, if carpet or not.... depends of the speaker quality.... a lot of things
I am trying to find the one, and i found a lot of ones, till the day i find a new one better than the last one.
Now i am returning to past, not doing hi technology modern amplifiers, they sound more than awfull to me.
They put me nervous, i adjust all the time and never satisfied.
Now a days i like this old Sony schematic, model from seventies and easy to assemble, but this is a personal taste, you probable will not find so many people that thinks and feel like me.... we are all different on each others, there's not absolutely rigth and wrong.
I could read that JLH, class A amplifiers, models from 1969 to some modern update ones are the best. I assemble the first model and compare with new models and no chance for the new ones... JLH was clearly better than all i heard.

Also amplifiers from ESP, Mr Rodd Elliot home pages are very good to, and sounds a little better than my old Sony TA-F30, but, i prefer my old machine defective thunder bass!

If you read all forum, you will see that Mr Nelson Pass is doing wonderfull things with fet.

If you will assemble some... do the JLH.... low power, hi heat, big and heavy, a little bit crazy to lost so many energy transformed in heat....but this put the components to work the better they can.

If you wan't to buy some noise machine, the way i called the new home theaters. I think a good idea is Sony... everyone you find will satisfied many people.

Am i confused?, yes, i am!, constructing amplifiers for more than 43 year and not already decided the perfect one..... the one that is near perfection is the JLH (John Lindsley (or Linsley) Hood), and it can also help to keep Coffee in good temperature, also to maintain heat in your room... really hot!, in temperature.

Carlos
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Old 1st May 2004, 12:21 AM   #4
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Default Re: What is the best amplifier project...?

Quote:
Originally posted by Danyele82
Can you post the best (for you) DIY solid stat amplifier project?
Whichever one I am currently working on....

My first amp was a Heathkit AA-14, built long ago. It used a germanium PNP output with NPN silicon, because there were no inexpensive good PNPs yet. I loved it for a while, all 15 watts. Well, it was tiny and cheap at the time, and had no bloody tubes!

Then began a long series of romances with different amps, from early JBLs to McIntoshes to Dynacos. It always seemed that the one I was working on was the most interesting, and once it was done the thrill was gone....

I suppose that's what keeps this interesting. I hope I never do have a perfect amp, because the game would be over.
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Old 1st May 2004, 02:01 AM   #5
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pssss psssss hey you... ya, you. Lookin' for an amp? Yup, right next store in CHIP AMPS.

check this st*ff out

Group order of non-inverted LM3875 pc boards? Anyone interested?

In the second order stage. Buy today and SAVE! Beautiful, simple and solid sound. Buy the kit, buy a few parts, scrounge a few parts... next thing ya know, old Jeds' a millionaire.
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Old 1st May 2004, 06:25 AM   #6
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I'll paraphrase Sergio Pininfarina and say "My favourite DIY amp is my next one"
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Old 1st May 2004, 12:18 PM   #7
MikeB is offline MikeB  Germany
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Default Re: What is the best amplifier project...?

Quote:
Originally posted by Danyele82
Can you post the best (for you) DIY solid stat amplifier project?

Hi !

At first, you need to know what kind of Amplifier you are looking for,
a hi power, low power, ClassA, ClassAB, simple/complex design...
There are so many different circuits for different needs, so there
is no "best" project for me.
Of course, my latest design is always best !
For ultimative quality, of course it should be some ClassA low power,
for hi power needs you should consider a ClassAB...

My last design was a simple ClassAB-Mosfet, using a total of 9
transistors, giving ~36Watt RMS into 4 ohms.

Mike
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Old 1st May 2004, 07:43 PM   #8
sreten is offline sreten  United Kingdom
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I've instigated a personal policy of not trying to answer
anything with "best" without qualification in the title.

sreten.
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Old 2nd May 2004, 09:53 AM   #9
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I know very well that the best amplifier does not exist!!
what I would want to know is what is for you the better amplifier that you have constructed yourselves.
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Old 2nd May 2004, 10:02 AM   #10
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Default OK! danielle

The best amplifier i assemble and still listening is JLH, first model, 1969
Nothing can be compared, my subjective and personal point of view.
Carlos
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