roland 4558 op amp data.

[harry]

except for noise spec guarantee, the 1458 (dual 741) is a replacement !
H^) harry

ElmacacoX at aol.com wrote:

> Hi,
>
> it's me tring to see why the congas don't work on my cr8000,  and I am trying
> to find the datasheet on the op amp IC marked 4558DD JRC 2424.  I've tried
> searching with google, but no luck.  there are many 4558's in my sh-2 as
> well, so it's a pretty common roland chip I imagine.
>
> anyone have this?
>
> thanks
>
> Ed