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Using burson opamps on an old Sumo nine
Using burson opamps on an old Sumo nine
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Old 4th October 2011, 01:26 AM   #11
djk is offline djk
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Join Date: Feb 2001
Location: USA
"Dear Mark,
I was just about to respond to those postings. The ONLY opamp that should be considered for a replacement would be the Analog Devices AD823 AND it must be selected to handle at least +/- 22Volts supplies. Most of them do but a few don't. This is tested by creating a 10x gain amp and while nulling the distortion, raise the supplies slowly to see the beginning of the cusps of distortion. You can post this if you like.

I like the sound of the OPA2604, and it doesn't need to be selected.
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