diff options
author | rekado <rekado@elephly.net> | 2012-11-19 08:12:12 +0800 |
---|---|---|
committer | rekado <rekado@elephly.net> | 2012-11-19 08:12:12 +0800 |
commit | 7835d27aba191ef3b47af0cc8d4eb6778059eb53 (patch) | |
tree | a2e31ff9ba3b3ceb1590bddf4c914695192bddf6 | |
parent | 277e50dcb89ea88c3073e7f2227b9457226c48e1 (diff) |
remove trim pot before DI box
-rw-r--r-- | gschem/outputs.sch | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/gschem/outputs.sch b/gschem/outputs.sch index 9a44a30..65ca5ce 100644 --- a/gschem/outputs.sch +++ b/gschem/outputs.sch @@ -67,27 +67,13 @@ device=RESISTOR T 56700 49000 5 10 1 1 0 0 1 refdes=R501 T 56700 48800 5 10 1 1 0 0 1 -value=22k +value=100k T 56400 49500 5 10 0 1 0 0 1 footprint=R025 } -N 56500 49700 56500 49500 4 -C 56900 47600 1 0 0 vcc-minus-1.sym +N 56500 49500 56500 50200 4 C 56200 47600 1 0 0 vcc-minus-1.sym N 56500 48200 56500 48600 4 -C 57000 50300 1 180 0 resistor-variable-2.sym -{ -T 56650 50800 5 10 1 1 180 0 1 -refdes=R502 -T 56200 49400 5 10 0 1 180 0 1 -device=VARIABLE_RESISTOR -T 56300 50400 5 10 1 1 0 0 1 -value=100k? -T 57000 50300 5 10 0 1 0 0 1 -footprint=BOURNS_3296w -} -N 57000 50200 57200 50200 4 -N 57200 50200 57200 48200 4 N 56500 49600 59100 49600 4 C 54900 50000 1 0 0 capacitor-4.sym { @@ -102,8 +88,9 @@ value=1u T 54900 50000 5 10 0 1 0 0 1 footprint=RCY100P } -T 56700 48500 9 10 1 0 0 0 1 -taper resistor +T 55800 50900 9 10 1 0 0 0 2 +TODO: find the right value to +prevent overloading of the DI box C 48800 50600 1 0 0 capacitor-4.sym { T 49000 51700 5 10 0 0 0 0 1 @@ -473,7 +460,7 @@ When a cable is connected, i.e. when stereo output is requested, there is no signal on JACKSWITCH_B:1. The total output of the opamp will be BLEND_1:1 (A). -N 55800 50200 56100 50200 4 +N 55800 50200 56500 50200 4 T 51900 47200 9 10 1 0 0 0 1 IDEA: replace IC501 with two JFET followers. C 56900 44200 1 0 0 connector2-2.sym @@ -529,3 +516,5 @@ N 51700 53000 51700 53400 4 N 51700 53400 52200 53400 4 T 65800 46700 9 10 1 0 0 0 1 XLR out +T 45700 49300 9 10 1 0 0 0 1 +TODO: add off-board wiring of volume control |