| qA (outermost ring) weighting potential | |
|---|---|
 |  |
| qB (second ring from outermost) weighting potential | |
|---|---|
 |  |
| qC (third ring from outermost) weighting potential | |
|---|---|
 |  |
| qD (inner ring) weighting potential | |
|---|---|
 |  |
| qE (center channel) weighting potential | |
|---|---|
 |  |
 |