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In Reply to: Are cheap Hong Kong sourced opamps real? posted by Panelhead on February 16, 2009 at 17:57:21:
I have now received new OPA2107APs from Mouser. First off, they are a cosmetic match for the first units I bought over a year ago from legit distribution, and look nothing like the parts I got recently from ebay. This alone might not mean anything, but I made some pin-to-pin DC resistance measurements as a basic check between the two types, and they are clearly different. I have yet to do my listening tests, but I am now fairly convinced that the parts from ebay are indeed counterfeit.
Best regards,
Steve McCormack, designer
SMc Audio
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Follow Ups
- RE: Are cheap Hong Kong sourced opamps real? - Steve McCormack 11:34:40 02/24/09 (0)