diff --git a/index.html b/index.html
index 5112740..f0d92fd 100644
--- a/index.html
+++ b/index.html
@@ -494,7 +494,7 @@
     sustain = R()**3/2*lengthScale,
     release = R()**3/2*lengthScale,
     length  = attack + decay + sustain + release,
-    filter  = C()? 0 : R()<.5? 99+R()**2*900 : R()**2*1e3-2e3;
+    filter  = C()? 0 : R()<.5? 99+R()**2*900 : R()**2*1e3-1500;
 
     // create random sound
     return BuildSound
@@ -529,7 +529,7 @@
     const R =(a=1,b=0) => b+(a-b)*Math.random();
 
     if (R()<.5) // apply random filter
-        sound.filter = R()<.5 ? 99+R()**2*900 : R()**2*1e3-2e3;
+        sound.filter = R()<.5 ? 99+R()**2*900 : R()**2*1e3-1500;
     sound.shapeCurve = R(sound.shape == 4 ? 9 : 4);
     
     switch (presetName)