OPA549 - Inverting or Non-Inverting?

Alcaid · 8th January 2005, 08:15 AM

Anyone with experience on the OPA549 compared I vs. NI topology? Which sounded best in your opinion?

pinkmouse · 8th January 2005, 08:21 AM

I personally prefer inverting.

Alcaid · 8th January 2005, 08:52 AM

What value should I use for R3, or can i leave it out (how much DC on the output will that result in?)

pinkmouse · 8th January 2005, 11:35 AM

It varies!

I currently use a multi turn trim pot to get it as low as possible

markp · 8th January 2005, 01:56 PM

Quote:

Originally posted by pinkmouse
I personally prefer inverting.

Why?

pinkmouse · 8th January 2005, 05:09 PM

To me, it just sounds a bit clearer in the mids. I know inverting is currently unfashionable, but then you haven't seen my wardrobe!

8th January 2005, 08:15 AM	#1
Alcaid diyAudio Member Join Date: Nov 2003 Location: Klepp	OPA549 - Inverting or Non-Inverting? Anyone with experience on the OPA549 compared I vs. NI topology? Which sounded best in your opinion?

8th January 2005, 08:21 AM	#2
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	I personally prefer inverting. __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

8th January 2005, 11:35 AM	#4
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	It varies! I currently use a multi turn trim pot to get it as low as possible __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

8th January 2005, 05:09 PM	#6
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	To me, it just sounds a bit clearer in the mids. I know inverting is currently unfashionable, but then you haven't seen my wardrobe! __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

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