message: resonance is a Frequency
diff: @@ -198,7 +198,7 @@ export class MetalSynth extends Monophonic<MetalSynthOptions> {
  /**
  * The modulationIndex of the oscillators which make up the source.
  - * see [[FMOscillator#modulationIndex]]
  + * see [[FMOscillator.modulationIndex]]
  */
  get modulationIndex(): number {
  return this._oscillators[0].modulationIndex.value;
  @@ -222,11 +222,11 @@ export class MetalSynth extends Monophonic<MetalSynthOptions> {
  * The lower level of the highpass filter which is attached to the envelope.
  * This value should be between [0, 7000]
  */
  - get resonance(): number {
  + get resonance(): Frequency {
  return this._filterFreqScaler.min;
  }
  set resonance(val) {
  - this._filterFreqScaler.min = val;
  + this._filterFreqScaler.min = this.toFrequency(val);
  this.octaves = this._octaves;
  }
  