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Old 15th October 2004, 10:26 PM   #11
mikeks is offline mikeks  United Kingdom
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Class 'A' operation is no universal panacea....

If the design consists of needlessly distortive driver stages, Class 'A' operation will merely amount to a rather inefficient sticking-plaster....
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Old 15th October 2004, 11:04 PM   #12
mikeks is offline mikeks  United Kingdom
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...The JLH is a disappointment in this regard....
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Old 15th October 2004, 11:32 PM   #13
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Default My dear Mikeks and his batteries

hehe, you incredible.

John Lindsey Hood was a very nice guy, he could be ahead for long, long time, one example to be followed.

He teached to all of us that simple is good, and sometimes better too

He loose, in my point of view, but was not something to be ashamed, the advantage was clearly perceived to ASKA, but JLH is already a very respectable amplifier.

Mikeks, hehe.... will put some batteries on you....my dear Mikeks, can you show to us some amplifier you design, assemble and test... can i have the honor to evaluate, together with my friends, and also our forum friends, the excelence of design you could made?

hehe.....waiting you design Mikeks.

May have some art there....but please, i know all wide worlds designs, the published ones and the ones turned into reality, some exception may exist, of course, hehe, can be your schematic.... show us the one you made that is new.

regards,

Carlos
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Old 15th October 2004, 11:37 PM   #14
mikeks is offline mikeks  United Kingdom
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Soon my fine friend....soon!
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Old 15th October 2004, 11:46 PM   #15
mikeks is offline mikeks  United Kingdom
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Default Destroyer..

This:

http://www.meridian-audio.com/p_559.htm

..could be demonstrably better than the JLH...No?
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Old 16th October 2004, 05:26 AM   #16
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Default Yes, there's some possibility, it seems pretty good

Also US enormous cars seems pretty good too.

But could not beat the Toyota Corolla, or the Suzuki Swift, even the uncle Sam brothers had to accept that, it is turning hard to see american car's in the US now a days...hehe...maybe in Japan we can find some.

My grandfather told me, Mikeks; " the more complicated the thing, more possibility of defects you will have. "

Related audio, as you know better than big Charlie, each circuit causes some small problem, and now we have the "correctors", circuit to correct this or that..... something non sense to my Grandfather....alike a fire soldier putting gasoline and ignition material inside some wooden house, and after that run to extinguish the fire he create. Only usefull as one exercise.

I could see new amplifier models ashamed in comparison to some "stupid" old designs.

People is working in silence, sometimes when hardly challenged, they turn nervous and talk a little bit more than usual, some big Doctors, i think can incluse you too, are working taking into account the human perception joined with the standard instruments.

Sony did that since long time ago, when i first entered their factory i could confirm that they evaluate calling a lot of people , selected from the "parts stock" people to the high staff.... and together, they stayed all day long hearing and making notes.

When this hearing tests where finished, the Engineers gone to instruments.... they do not confirm that if you ask them, but they were learning the distortions that people like to hear!..... to keep them there!....not to remove!....learning how to make amplifiers to people.

What we can see today....a Market reference of those sinthetic multichannels amplifiers...take a look inside... see that they are using transistors..... check the supply, not a complicated switching supply, you will see a transformer.... voltage goes down.... and the pleasant effect of that appear in your sound reproduction.....distorts when you push hard, and some people smile and tell you full of pride:

- "What a power!.... did you perceive the brigth in that reproduction?"

I'm turning confident that we will going fast to better sound amplifiers, as i could perceive that people alike Mr. John Curl, are using some old studies of human perception as reference for something he may be doing.... i would like to be some fly or ant, to go there, and see what Curl is doing rigth now!

I was very sad related the "direction" the amplifier's designs were going, only few people telling that researching something adequated, as amplifiers made for people. A lot of good guys going to instruments....wrong way in my mind.

Now i am feeling much better.

regards,

Carlos
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Old 16th October 2004, 08:16 AM   #17
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Hi Mikeks,

A bit disappointed there, I thought there might have been a circuit at the end of that link. I think that is what Destroyer was looking for.

Cheers ........... Graham.
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Old 16th October 2004, 12:32 PM   #18
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Default Your class A sounded better than JLH too Maynard, but it is some

Technological developed clone....something alike a clever cousin, or the brigther family's brother...i am including your development, upgradings and correction in JLH family because of same audio characteristics.

I am looking to a "magic mistery tour"... without marijuana, cocaine, and other brain exciters..... some contact with alive music.... and that is the real fun!....because will never realise that....because alive is alive!...and recording is recording.... they cannot be the same.

If someday that magic happened to me, have sure that i will be completely depressed..... because the interesting game will be finished..... reach the unreachable.

AKSA, your amplifier Graham, some JLH designs give enougth satisfation.... but we can be more and more close the reality.

There are some circuit in AKSA, that you could perceive some singer out of tone..... when hearing Wagner (receiving people to a party).... without the AKSA, i cannot hear this guy, and if you discover what is doing that!!!!!, you may hit your head into the wall, alike our forum smilies.

So, there are some "magic" some detail, some focusing, and could not understand why?

And those things goes making differences.

Yesterday i was seeing "troy" DVD.... and my six AKSA pumping 8 speakers around me.... inside small room.....operating amplifier almost all the time in class A, as i increased the bias against Mr. Hugh advise. There's a moment that "Aquiles" hit some giant man, i could heard the sound efect of the spade entering the flesh.... i runned to other equipment to check.... and where"s that sound?.... mufled it was.

So, let's go tweaking guys..... Long life to the King!

regards,

Carlos
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Old 16th October 2004, 12:37 PM   #19
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Default This orange part, instead of the red part, making all that!!!!

Have to believe!!!, i am hearing!!!....but this do not make sense to me...but that "thing" is working, the other part, same value, cannot make the job?

regards,

Carlos
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