diff --git a/packages/superdough/phaser.mjs b/packages/superdough/phaser.mjs
index 62771df3..bdb64c40 100644
--- a/packages/superdough/phaser.mjs
+++ b/packages/superdough/phaser.mjs
@@ -1,14 +1,5 @@
-// credits to webdirt: https://github.com/dktr0/WebDirt/blob/41342e81d6ad694a2310d491fef7b7e8b0929efe/js-src/Graph.js#L597
-export var vowelFormant = {
-  0: { freqs: [660, 1120, 2750, 3000, 3350], gains: [1, 0.5012, 0.0708, 0.0631, 0.0126], qs: [80, 90, 120, 130, 140] },
-  1: { freqs: [440, 1800, 2700, 3000, 3300], gains: [1, 0.1995, 0.1259, 0.1, 0.1], qs: [70, 80, 100, 120, 120] },
-  2: { freqs: [270, 1850, 2900, 3350, 3590], gains: [1, 0.0631, 0.0631, 0.0158, 0.0158], qs: [40, 90, 100, 120, 120] },
-  3: { freqs: [430, 820, 2700, 3000, 3300], gains: [1, 0.3162, 0.0501, 0.0794, 0.01995], qs: [40, 80, 100, 120, 120] },
-  4: { freqs: [370, 630, 2750, 3000, 3400], gains: [1, 0.1, 0.0708, 0.0316, 0.01995], qs: [40, 60, 100, 120, 120] },
-};
-
-var createFilter = function (ctx, cutoff, Q) {
-  var lowpassFilter = ctx.createBiquadFilter();
+const createFilter = (ctx, cutoff, Q) => {
+  const lowpassFilter = ctx.createBiquadFilter();
   lowpassFilter.type = 'notch';
   lowpassFilter.gain.value = 1;
   lowpassFilter.frequency.value = cutoff;
@@ -16,65 +7,48 @@ var createFilter = function (ctx, cutoff, Q) {
   return lowpassFilter;
 };
 
-// var createTriOscillator = function (freq) {
-//   var osc = ctx.createOscillator();
-//   osc.type = 'triangle';
-//   osc.frequency.value = freq * 1.0;
-//   osc.detune.value = 0;
-//   return osc;
-// };
-
-var createLFO = function (ctx, freq) {
-  var osc = ctx.createOscillator();
+const createOscillator = (ctx, freq) => {
+  const osc = ctx.createOscillator();
   osc.frequency.value = freq;
   osc.type = 'sine';
-  osc.start();
   return osc;
 };
-var createLFOGain = function (ctx, gain) {
-  var gainNode = ctx.createGain();
+const createGain = (ctx, gain) => {
+  const gainNode = ctx.createGain();
   gainNode.gain.value = gain;
   return gainNode;
 };
-let lfo, lfoGain;
+
+const createLFO = (ctx, freq, gain) => {
+  const osc = createOscillator(ctx, freq);
+  const gainNode = createGain(ctx, gain);
+  osc.start();
+  osc.connect(gainNode);
+  return gainNode;
+};
 if (typeof GainNode !== 'undefined') {
   class PhaserNode extends GainNode {
-    constructor(ac, speed) {
+    constructor(ac, speed, cps) {
       super(ac);
-      console.log('speed', speed);
+      this.lfo;
+      console.log(cps);
 
-      if (!vowelFormant[speed]) {
-        throw new Error('phaser: unknown phaser ' + speed);
-      }
-      const { gains, qs, freqs } = vowelFormant[speed];
       const makeupGain = ac.createGain();
 
-      //   var sine = ac.createOscillator(),
-      //     sineGain = ac.createGain();
-
-      //   //set up our oscillator types
-      //   sine.type = sine.SINE;
-
-      //   //set the amplitude of the modulation
-      //   sineGain.gain.value = 100;
-
-      //   //connect the dots
-      //   sine.connect(sineGain);
-      if (lfo == null) {
-        lfo = createLFO(ac, 0.25);
-        lfoGain = createLFOGain(ac, 4000);
-
-        lfo.connect(lfoGain);
+      if (this.lfo == null) {
+        this.lfo = createLFO(ac, speed, 2000);
       }
-      //  sineGain.connect(saw.frequency);
-      for (let i = 0; i < 6; i++) {
+      const numStages = 2;
+      let fOffset = 0;
+      for (let i = 0; i < numStages; i++) {
         const gain = ac.createGain();
-        gain.gain.value = 0.5;
-        const filter = createFilter(ac, 1000 + i * 20, 1);
+        gain.gain.value = 1 / numStages;
+        const filter = createFilter(ac, 1000 + fOffset, 0.5);
         this.connect(filter);
-        lfoGain.connect(filter.detune);
+        this.lfo.connect(filter.detune);
         filter.connect(gain);
         gain.connect(makeupGain);
+        fOffset += 200 + Math.pow(i, 2);
       }
       makeupGain.gain.value = 1; // how much makeup gain to add?
       this.connect = (target) => makeupGain.connect(target);
diff --git a/packages/superdough/superdough.mjs b/packages/superdough/superdough.mjs
index 3a215604..5473cc12 100644
--- a/packages/superdough/superdough.mjs
+++ b/packages/superdough/superdough.mjs
@@ -366,7 +366,7 @@ export const superdough = async (value, deadline, hapDuration) => {
   }
 
   if (phaser !== undefined) {
-    const phaserFX = ac.createPhaser(phaser);
+    const phaserFX = ac.createPhaser(phaser, hapDuration);
     chain.push(phaserFX);
   }