pinebox
Well-known member
- Joined
- Mar 11, 2015
- Messages
- 120
Hello, I have been modifying an Amek for a studio. For the first time in the owners history, we have hooked up the SLS but there is bleed from the stereo bus even when the pot is all the way down. There even is some bleed when a different source is selected feeding the SLS.
-I have tried all sorts of grounding stuff, but no luck.
-I have soldered a wire directly from the motherboard to avoid the patchbay and still there is bleed.
-I have patched from the monitor outputs into the SLS amp and it works from the monitor pot as it should.
-I have replaced the SLS pot.
-I have strengthened ground connections from the pot to the ground plane, and still not an improvement.
-I have swapped out the op amps in the signal path out of desperation and I am just not having a good time.
I am curious if anyone has any ideas or has encountered a stubborn issue like this in the past? Everything I know is saying it obviously isnt getting a good ground connection but idk how that can be because the monitor pot shares the same input signal and ground plane and does not have the same issue.
![Screen Shot 2022-05-18 at 2.31.28 PM.png Screen Shot 2022-05-18 at 2.31.28 PM.png](https://cdn.imagearchive.com/groupdiy/data/attachments/46/46129-66dc73b0fdb15aa16a7b60916847de15.jpg)
-I have tried all sorts of grounding stuff, but no luck.
-I have soldered a wire directly from the motherboard to avoid the patchbay and still there is bleed.
-I have patched from the monitor outputs into the SLS amp and it works from the monitor pot as it should.
-I have replaced the SLS pot.
-I have strengthened ground connections from the pot to the ground plane, and still not an improvement.
-I have swapped out the op amps in the signal path out of desperation and I am just not having a good time.
I am curious if anyone has any ideas or has encountered a stubborn issue like this in the past? Everything I know is saying it obviously isnt getting a good ground connection but idk how that can be because the monitor pot shares the same input signal and ground plane and does not have the same issue.
![Screen Shot 2022-05-18 at 2.31.28 PM.png Screen Shot 2022-05-18 at 2.31.28 PM.png](https://cdn.imagearchive.com/groupdiy/data/attachments/46/46129-66dc73b0fdb15aa16a7b60916847de15.jpg)