Links to JBL T-circuit???

swede · 11th December 2001, 09:52 AM

Hi,

Prof. Leach has a good description on his use of the JBL T-circuit on http://users.ece.gatech.edu/~mleach/lowtim/output.html, though I wonder if anyone have more links to this type of output stage?

I'm trying really hard to "fully" understand the Leach-amp and I'd like some more theory to dig into.

What I've came to realize/understand is that it is really important to tune the crossover distortion in any kind of A/B stage, but in a T-circuit this is somehow a little bit easier to manage than in other solutions.

Am I just inexperienced and plain stupid, or am I on the right track?

Best regards,
//magnus

ppl · 13th December 2001, 10:38 AM

This Circuit is quite standard by now and almost every-one uses it But just like the Dynamic-Bias Technique of Nealson Pass, the T-Circuit is called several different names. the most common is Single Ended Push Pull.

swede · 14th December 2001, 11:54 AM

Thanks,

So, where do I find a good explanaition on the sircuit?

I'll post my findings here in a bit, if I find some good ones on the net.

//magnus

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11th December 2001, 09:52 AM	#1
swede diyAudio Member Join Date: Sep 2001 Location: Geneva, Switzerland	Hi, Prof. Leach has a good description on his use of the JBL T-circuit on http://users.ece.gatech.edu/~mleach/lowtim/output.html, though I wonder if anyone have more links to this type of output stage? I'm trying really hard to "fully" understand the Leach-amp and I'd like some more theory to dig into. What I've came to realize/understand is that it is really important to tune the crossover distortion in any kind of A/B stage, but in a T-circuit this is somehow a little bit easier to manage than in other solutions. Am I just inexperienced and plain stupid, or am I on the right track? Best regards, //magnus

13th December 2001, 10:38 AM	#2
ppl diyAudio Member Join Date: Apr 2001 Location: Seattle, WA U.S.A.	This Circuit is quite standard by now and almost every-one uses it But just like the Dynamic-Bias Technique of Nealson Pass, the T-Circuit is called several different names. the most common is Single Ended Push Pull.

14th December 2001, 11:54 AM	#3
swede diyAudio Member Join Date: Sep 2001 Location: Geneva, Switzerland	Thanks, So, where do I find a good explanaition on the sircuit? I'll post my findings here in a bit, if I find some good ones on the net. //magnus