diyAudio - About power amp step response etc. :-)

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- - About power amp step response etc. :-) (http://www.diyaudio.com/forums/solid-state/139091-about-power-amp-step-response-etc.html)

PMA	22nd February 2009 09:34 AM

About power amp step response etc. :-)

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I am continuing our dialogue
http://www.diyaudio.com/forums/showt...91#post1752991
here, not to hijack the original thread.

No output coil, you are right. I will make more measurements of this kind with suggested load later, as I am pretty busy right now. I promise to return to these mesurements. As a reminder, the original response into 4 ohm.

Jan Dupont

22nd February 2009 10:32 AM

Hi Pavel :)

Looking forward to see your results ;)

syn08

22nd February 2009 10:40 AM

http://www.diyaudio.com/forums/showt...83#post1575583

Uses massive feedback, though. And to add insult to injury, I can't use it to heat my house :rofl:.

PMA	22nd February 2009 01:28 PM

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Okay, 10kHz square into 5 ohm//1uF :
(no output coil)

PMA	22nd February 2009 01:47 PM

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10kHz square into 5 ohm//4.7uF

PMA	22nd February 2009 01:52 PM

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10kHz into 5 ohm, no capacitive load:

PMA	22nd February 2009 02:10 PM

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10kHz square into 5ohm // 47nF

syn08

22nd February 2009 03:00 PM

Quote:

Originally posted by PMA
Okay, 10kHz square into 5 ohm//1uF :
(no output coil)

30V/div vertical???????

PMA	22nd February 2009 03:02 PM

3V/div vertical, in all the images shown. If there is 30V/d somewhere, it is a forgotten probe scale factor.

EUVL	22nd February 2009 03:20 PM

How about schematics ?

Patrick

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