A 100-150 watt power amp using TIP41-142-147 transistors, how about - Page 2 - diyAudio
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Old 24th April 2007, 06:56 PM   #11
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Quote:
Originally posted by sixtek

gaetan8888,

I have a design called ST151. That's a relative simple, short-circuit protected universal (sub, pa, hifi, guitar, etc....) audio power amplifier with easly-available and cheap parts, running with +/-40V and produces 100W-RMS. Stable and sounds good. I have full documentation (schematic, PCB, etc...)
Please tell me if you are interested.

Maybe I'm going to open a new thread for ST151?
Hey, sixtek, thats sounds very intresting, could you post your documents?
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Old 24th April 2007, 07:32 PM   #12
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Default I do not feel happy to tell the ones are better, as people must discover those things

by themselves, doing tests, constructing...learning during practice..not believing in other folks words.

I think, giving you the receipt, i will not cooperate to your development if you believe me.....also i will be doing nothing, only beeing a clown telling you precious things that you may not follow.

Each one of us have a track to follow, our own destiny that will keep us distant from the ignorance.... it's a long way to go.

Just to suggest you some.

Try GEM, amplifier from Graham Maynard....it can be modified to work class AB...just reducing bias and removing some transistors..also he is able to give you a good follow up.

http://www.diyaudio.com/forums/showt...236#post679236

Also you have mine Dx amplifier...more simple, made to be cheap, a little bit worst than GEM.... a small difference i mean with this " a little bit "

regards,

Carlos
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Old 24th April 2007, 11:11 PM   #13
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Quote:
Originally posted by sixtek
OFFtopic

Sakis, please be patient, I will answer!

ONtopic


gaetan8888,

I have a design called ST151. That's a relative simple, short-circuit protected universal (sub, pa, hifi, guitar, etc....) audio power amplifier with easly-available and cheap parts, running with +/-40V and produces 100W-RMS. Stable and sounds good. I have full documentation (schematic, PCB, etc...)
Please tell me if you are interested.

Maybe I'm going to open a new thread for ST151?

Hi

Yes, open a new thread for ST151.

Thank

Gaetan
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Old 13th January 2013, 02:43 PM   #14
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Ok yes I am interested please publish that circuit.
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Old 13th January 2013, 08:45 PM   #15
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Default This happened six year ago Fernando

Some guys are not in this forum anymore, other guys are dead.... i am sure Gaetan is alive and healthy...he may help you.

But maybe in the ST151 thread.

regards,

Carlos
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Old 31st January 2013, 08:13 PM   #16
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On a Russian website I found a complete article on this amplifier with 150 W TIP 142 and 147 output stage.
The .lay is available for download at the bottom of the page.

150 ???? ?? ???????????? TIP142 & TIP147

Good luck for the translation!
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Old 31st January 2013, 11:23 PM   #17
jaycee is offline jaycee  United Kingdom
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The circuit is rubbish - poor thermal compensation and using a TIP41 for VAS is a bad idea as they are far too slow.

Sixtek's ST151 however is a good solid design given the parts used.
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Old 31st January 2013, 11:50 PM   #18
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Quote:
Originally Posted by Project16 View Post
On a Russian website I found a complete article on this amplifier with 150 W TIP 142 and 147 output stage.
The .lay is available for download at the bottom of the page.

150 ???? ?? ???????????? TIP142 & TIP147

Good luck for the translation!
Language no problem, but no layout available.
Gets message that the material is copyrighted.
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Old 1st February 2013, 09:43 PM   #19
JMFahey is offline JMFahey  Argentina
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This amp does work, sort of, might do for a beginner because it's as simple as can be, but you'll spend the same and have a *real* amp if you build this one:
"ST151" 100W amplifier
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Old 6th March 2013, 07:43 PM   #20
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Hello

There is also the Dx amp from Carlos (destroyer X), easy to built and good sound.

Destroyer x Amplifier...Dx amp...my amplifier

Bye

Gaetan
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