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Old 19th September 2004, 07:46 PM   #1
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Default OP amp replacement

Greetings all !!! i have a question for the masses. i am butchering a vintage dj mixer. and need a bit of advice. i am replaceing the phonopreamp IC which is a intersil corp 4741-5 (quad 741). I am thinking of brownies opa404 or the 4227. Also to be replaced is a raytheon Rc4558 (in line siganl path)with B. brown 2227 and a 741 with a opa627 (may be a bit overkill.) so are the 2134,4134 better choices than the 2227 4227?
last i have a few chips i cannot figure out what they are
1556 827LF
1556 356N
820 LM377N

any comments or suggestions would be appreciated

thank you
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