anchor.diff:    
     int activeChannel = 0;
     WASfxr effect;
  +  double _baseGain = 0.25;
     
     String name = "None";
     
  
positive.code:     Map m = {
        "Format": "RSfxr",
        "Name": name,
        "Channels": chans
      };
      
      return m;
    }
  }
negative.code: 
    bool init() {
      _mixer = _context.createGain();
      gain = _baseGain;
      
      _mixer.connectNode(_context.destination);
  
  