Substitute for M5218L ?

[Paul Schreiber]

Yep. Use a TL072 and you'll never notice.

Why didn't Roland use them?

A) not an "Asian product"
B) cost 9 cents moe

Paul S.

----- Original Message -----
From: Trevor Page <trevor at resonance.fsnet.co.uk>
To: <synth-diy at mailhost.bpa.nl>
Sent: Tuesday, December 07, 1999 12:26 PM
Subject: Substitute for M5218L ?


> Hi,
>     I am thinking about cloning a few of the TR909 circuits, or even the
> whole thing. I've not looked at the schems in great detail yet, but a lot
of
> the op-amps seem to be M5218L. This device seems to be still available in
> one catalogue of mine though I have not confirmed its availability. My
> question is, is there anything special about this IC, and can anyone
suggest
> a more modern IC that I could use in its place? I was wondering if
something
> basic like a TL07x type IC could be used, or if something a little better
> would be needed. As far as I understand, the M5218L is just a basic
> low-noise opamp.
>
> Many thanks - any advice very much appreciated.
>
> Trev
>
>
>
> Check out my new Resonance synth site: www.resonance.fsnet.co.uk
>
>