diff --git a/lv2/rkrlv2.C b/lv2/rkrlv2.C
index 272b5c4..cd947d0 100644
--- a/lv2/rkrlv2.C
+++ b/lv2/rkrlv2.C
@@ -15,6 +15,7 @@
 #include<stdio.h>
 #include<string.h>
 #include<unistd.h>
+#include<samplerate.h>
 #include"rkrlv2.h"
 
 #include"EQ.h"
@@ -803,7 +804,7 @@ LV2_Handle init_harmnomidlv2(const LV2_Descriptor *descriptor,double sample_freq
     getFeatures(plug,host_features);
 
     //magic numbers: shift qual 4, downsample 5, up qual 4, down qual 2,
-    plug->harm = new Harmonizer(0,0,4,5,4,2, plug->period_max, sample_freq);
+    plug->harm = new Harmonizer(0,0,4,5,SRC_LINEAR,SRC_SINC_FASTEST, plug->period_max, sample_freq);
     plug->noteID = new Recognize(0,0,.6, sample_freq, 440.0, plug->period_max);//.6 is default trigger value
     plug->chordID = new RecChord();
 
@@ -2809,7 +2810,7 @@ LV2_Handle init_stomplv2(const LV2_Descriptor *descriptor,double sample_freq, co
     getFeatures(plug,host_features);
 
     plug->stomp = new StompBox(0,0, sample_freq, plug->period_max, /*oversampling*/2,
-                               /*up interpolation method*/4, /*down interpolation method*/2);
+                               /*up interpolation method*/SRC_LINEAR, /*down interpolation method*/SRC_SINC_FASTEST);
 
     return plug;
 }
@@ -2866,8 +2867,8 @@ LV2_Handle init_stomp_fuzzlv2(const LV2_Descriptor *descriptor,double sample_fre
 
     getFeatures(plug,host_features);
 
-    plug->stomp = new StompBox(0,0, sample_freq, plug->period_max, /*oversampling*/2,
-                               /*up interpolation method*/4, /*down interpolation method*/2);
+    plug->stomp = new StompBox(0,0, sample_freq, plug->period_max, /*oversampling*/1,
+                               /*up interpolation method*/SRC_LINEAR, /*down interpolation method*/SRC_LINEAR);
     plug->stomp->changepar(5,7);//set to fuzz
 
     return plug;
@@ -2891,7 +2892,7 @@ LV2_Handle init_revtronlv2(const LV2_Descriptor *descriptor,double sample_freq,
     }
     lv2_atom_forge_init(&plug->forge, plug->urid_map);
 
-    plug->revtron = new Reverbtron(0,0, sample_freq, plug->period_max, /*downsample*/5, /*up interpolation method*/4, /*down interpolation method*/2);
+    plug->revtron = new Reverbtron(0,0, sample_freq, plug->period_max, /*downsample*/5, /*up interpolation method*/SRC_LINEAR, /*down interpolation method*/SRC_SINC_FASTEST);
     plug->revtron->changepar(4,1);//set to user selected files
     plug->rvbfile = new RvbFile;
 
diff --git a/src/Dual_Flange.C b/src/Dual_Flange.C
index f4eaef4..35653d3 100644
--- a/src/Dual_Flange.C
+++ b/src/Dual_Flange.C
@@ -41,10 +41,6 @@ Dflange::Dflange (float * efxoutl_, float * efxoutr_, double sample_rate)
     //default values
     Ppreset = 0;
 
-    ldelay = NULL;
-    rdelay = NULL;
-
-
     maxx_delay = (int) sample_rate * 0.055f;
     ldelay = new float[maxx_delay];
     rdelay = new float[maxx_delay];
@@ -80,6 +76,8 @@ Dflange::Dflange (float * efxoutl_, float * efxoutr_, double sample_rate)
     lsB = 0.0f;
     logmax = logf(1000.0f)/logf(2.0f);
 
+    kl = kr = 0;
+
     lfo = new EffectLFO(sample_rate);
     PERIOD = 255;//best guess for init
     setpreset (Ppreset);
@@ -88,10 +86,10 @@ Dflange::Dflange (float * efxoutl_, float * efxoutr_, double sample_rate)
 
 Dflange::~Dflange ()
 {
-    delete ldelay;
-    delete rdelay;
-    delete zldelay;
-    delete zrdelay;
+    delete[] ldelay;
+    delete[] rdelay;
+    delete[] zldelay;
+    delete[] zrdelay;
     delete ldelayline0;
     delete rdelayline0;
     delete ldelayline1;
diff --git a/src/Sustainer.C b/src/Sustainer.C
index 3d65902..98fd5cc 100644
--- a/src/Sustainer.C
+++ b/src/Sustainer.C
@@ -121,10 +121,11 @@ Sustainer::out (float * smpsl, float * smpsr, uint32_t period)
 
 
 void
-Sustainer::setpreset (int npreset, int pdata[])
+Sustainer::setpreset (int npreset)
 {
     const int PRESET_SIZE = 2;
     const int NUM_PRESETS = 3;
+    int pdata[PRESET_SIZE];
     int presets[NUM_PRESETS][PRESET_SIZE] = {
         //Moderate
         {79, 54},
diff --git a/src/Sustainer.h b/src/Sustainer.h
index 8e6e1f2..3963bd5 100644
--- a/src/Sustainer.h
+++ b/src/Sustainer.h
@@ -35,7 +35,7 @@ class Sustainer
     void out (float * smpsl, float * smpr, uint32_t period);
     void changepar (int npar, int value);
     int getpar (int npar);
-    void setpreset (int npreset,int pdata[]);
+    void setpreset (int npreset);
 
     int Ppreset;