Which op-amp for linkwitz transform?

Hybrid fourdoor · 13th September 2003, 12:01 PM

I am looking at the trueaudio.com linkwitz spreadsheet and it has the schematic, and it lists the passive components and all. But it doesn't say which op-amp to use.

I don't know much about op-amps, and looking through Digi-key I see about 10,000 op-amps in there. Which one should I use?

Thanks,
David

Sjef · 13th September 2003, 12:11 PM

Any audio opamp of your flavor witch is unity gain stable. For instance a OPA627, OPA2604, AD811, etc etc. See other topics on opamp flavor.

Pete Mazz · 13th September 2003, 12:22 PM

Any 8 pin dual op-amp. TL-072 is used on Rod Elliot's board.

Pete

13th September 2003, 12:01 PM	#1
Hybrid fourdoor diyAudio Member Join Date: May 2003 Location: Ft. Worth, TX	Which op-amp for linkwitz transform? I am looking at the trueaudio.com linkwitz spreadsheet and it has the schematic, and it lists the passive components and all. But it doesn't say which op-amp to use. I don't know much about op-amps, and looking through Digi-key I see about 10,000 op-amps in there. Which one should I use? Thanks, David

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13th September 2003, 12:11 PM	#2
Sjef diyAudio Member Join Date: Jan 2003 Location: Amsterdam	Any audio opamp of your flavor witch is unity gain stable. For instance a OPA627, OPA2604, AD811, etc etc. See other topics on opamp flavor.

13th September 2003, 12:22 PM	#3
Pete Mazz diyAudio Member Join Date: Jan 2002 Location: Bucks County, Pa	Any 8 pin dual op-amp. TL-072 is used on Rod Elliot's board. Pete