J L HOOD A/AB amp

Zen Mod · 23rd May 2004, 11:05 AM

anybody tried this:

ChocoHolic · 23rd May 2004, 07:39 PM

...but why not?
Looks pretty much like a simple and straight forward MOSFET design.

Specific doubts?

Cheers
Markus

ChocoHolic · 23rd May 2004, 07:43 PM

...one disadavantage may be that the max. output swing will be about 10V below the rails at full load condition.
==>My estimation: about 30W...35W rms at 8 Ohms.

Zen Mod · 23rd May 2004, 08:51 PM

" intended to operate largely in class A ..........starting from 0.4 A to 1A ,where is wise to put two pairs of output mosfets..........max. output level of about 35 to 40 Watts per channel.....for spks of nominal impedance of 8 ohms..."

just curious in comments.....and also I wish to share that schmtc,just because I can't see it nowhere on the net.

23rd May 2004, 07:39 PM	#2
ChocoHolic diyAudio Member Join Date: Dec 2003 Location: Munich	Never tried such a thing... ...but why not? Looks pretty much like a simple and straight forward MOSFET design. Specific doubts? Cheers Markus

23rd May 2004, 08:51 PM	#4
Zen Mod diyAudio Member Join Date: Jan 2003 Location: ancient Batsch , behind Iron Curtain	" intended to operate largely in class A ..........starting from 0.4 A to 1A ,where is wise to put two pairs of output mosfets..........max. output level of about 35 to 40 Watts per channel.....for spks of nominal impedance of 8 ohms..." just curious in comments.....and also I wish to share that schmtc,just because I can't see it nowhere on the net. __________________ my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; Mighty ZM's Bloggg;I'm dumb

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23rd May 2004, 07:43 PM	#3
ChocoHolic diyAudio Member Join Date: Dec 2003 Location: Munich	...one disadavantage may be that the max. output swing will be about 10V below the rails at full load condition. ==>My estimation: about 30W...35W rms at 8 Ohms.