Aleph with CCS instead with ACS

DarkOne · 29th March 2005, 06:41 AM

Hello,
did someone try building Aleph (or AlephX) with CCS intead with Active Current Source. I'd like to check it out, but first I'd like to ask if someone tried that and how it sounds. I've just finished my amp which uses complementary differential input stage and complementar Aleph like output operating in class A up to 50W/8ohm completely Xed. It sounds good, but I'd like to check if it's better to use simple differential input stage with pure class A output biased with CCS to 3A (50W to 8ohm is far more I would ever need).

Thanks

DarkOne · 31st March 2005, 05:24 AM

I thought that someone tried that. Doesn't matter, life goes on.

Thanks for 100 views

Nelson Pass · 31st March 2005, 08:23 PM

I've spent a lot of time making the comparisons. The CCS
has some charming qualities, particularly at the top end, but
the ACS has advantages in distortion and dissipation figures.

It largely depends on your needs and what you like subjectively.

DarkOne · 31st March 2005, 10:36 PM

Thanks a lot Mr.Pass.
I've been looking forward for your reply. I hope I will have some time to make the comparsion, so then maybe I'll post my impressions.

Good luck

29th March 2005, 06:41 AM	#1
DarkOne diyAudio Member Join Date: Oct 2001 Location: Bratislava	Aleph with CCS instead with ACS Hello, did someone try building Aleph (or AlephX) with CCS intead with Active Current Source. I'd like to check it out, but first I'd like to ask if someone tried that and how it sounds. I've just finished my amp which uses complementary differential input stage and complementar Aleph like output operating in class A up to 50W/8ohm completely Xed. It sounds good, but I'd like to check if it's better to use simple differential input stage with pure class A output biased with CCS to 3A (50W to 8ohm is far more I would ever need). Thanks

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31st March 2005, 05:24 AM	#2
DarkOne diyAudio Member Join Date: Oct 2001 Location: Bratislava	I thought that someone tried that. Doesn't matter, life goes on. Thanks for 100 views

31st March 2005, 08:23 PM	#3
Nelson Pass The one and only Join Date: Mar 2001	I've spent a lot of time making the comparisons. The CCS has some charming qualities, particularly at the top end, but the ACS has advantages in distortion and dissipation figures. It largely depends on your needs and what you like subjectively.

31st March 2005, 10:36 PM	#4
DarkOne diyAudio Member Join Date: Oct 2001 Location: Bratislava	Thanks a lot Mr.Pass. I've been looking forward for your reply. I hope I will have some time to make the comparsion, so then maybe I'll post my impressions. Good luck

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