Low Noise OpAmp (DG-1000, DG-100)

Yamaha DG Forum plus content from the Yahoo DG Group

Moderators: parametric, Buzzard, Derek, Saul, david.krause63

User avatar
Stefan Markowitz
Posts: 5
Joined: Tue Aug 25, 2020 1:30 pm

Low Noise OpAmp (DG-1000, DG-100)

Unread post by Stefan Markowitz »

Some years ago I replaced the input stage OpAmps in my DG Amps.
Instead of the TL-072 I installed an OP275 which reduced the noise level reasonable.
Now I tried some other OpAmps and found, that the NE5532AP produces even less noise in the input stage.
It is not a huge difference compared to the OP275, but if you already have substituted the TL-072, it is easy to put an NE5532AP into the socket and try it.
(I'm not sure whether the socket is installed from factory, I think I had to desolder the…login to view the rest of this post


This topic has 9 replies

You must be a registered member and logged in to view the replies in this topic.


Register Login
 
Post Reply