diff --git a/plugins/Nekobi/nekobee-src/nekobee_voice_render.c b/plugins/Nekobi/nekobee-src/nekobee_voice_render.c
index f5fef08..90e3903 100644
--- a/plugins/Nekobi/nekobee-src/nekobee_voice_render.c
+++ b/plugins/Nekobi/nekobee-src/nekobee_voice_render.c
@@ -165,12 +165,25 @@ void vcf(nekobee_synth_t *synth, float *out, uint32_t count) {
     // printf("cutoff = %04fHz, ct=%f\n", cutoff, ct);
 
     float hpc = 6.28 * 16 * synth->deltat;
-    float fout, hp;
+    float fout, fb, hp;
 
     for (uint32_t i = 0; i < count; i++) {
         for (uint32_t ovs = 0; ovs < 4; ovs++) {
             float in = voice->osc_audio[i];
-            float fb = tanh(in - ((fout - 0.25*in) * synth->resonance * 6));
+            
+            float clip = 1.0;
+            fb = (in - ((fout - .33*in) * synth->resonance * 4)) / clip;
+
+            //fb = in * synth->resonance*5;
+            
+            if (fb > 1) fb=1;
+            if (fb < -1) fb=-1;
+
+            fb = 1.5 * fb - 0.5 * fb*fb*fb;
+
+            fb *= clip;
+
+            //fb *= 0.5;
 
             delay1 = ((fb - delay1) * ct) + delay1;
             delay2 = ((delay1 - delay2) * ct) + delay2;