diff --git a/plugin/chassis.cpp b/plugin/chassis.cpp
index 92a5735..1425df8 100644
--- a/plugin/chassis.cpp
+++ b/plugin/chassis.cpp
@@ -40,7 +40,7 @@ void Chassis::activate() {
     printf("called activate()\n");
 
     for (uint8_t i = 0; i < 104; i++) {
-        s.pitchCV[i] = (261.63 * powf(2, (i - 24) / 12.0f)) / sampleRate;
+        s.pitchCV[i] = (440.0f * powf(2, (i - 49) / 12.0f)) / sampleRate;
     }
 }
 
@@ -132,12 +132,12 @@ void Chassis::run(const float **, float **outputs, uint32_t frames, const MidiEv
             for (uint32_t i = 0; i < NUM_VOICES; i++) {
                 s.voice[i].calcPitch(s);
 
-                switch (s.patchRam.switch1 & 0x03) {
+                switch (s.patchRam.switch1 & 0x07) {
                     case 1:
-                        s.voice[i].omega /= 4;
-                        break;
-                    case 2:
                         s.voice[i].omega /= 2;
+                        break;
+                    case 4:
+                        s.voice[i].omega *= 2;
                     default:
                         break;
                 }