diff --git a/MicroDexed.ino b/MicroDexed.ino
index eb5c38b..975f9f0 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -1360,20 +1360,21 @@ void initial_values_from_eeprom(bool init)
 {
   uint32_t _m_;
 
-  EEPROM.get(EEPROM_START_ADDRESS + offsetof(configuration_s, _marker_), _m_);
-  if (_m_ != EEPROM_MARKER)
-  {
-#ifdef DEBUG
-    Serial.println(F("Found wrong EEPROM marker, initializing EEPROM..."));
-#endif
-    init = true;
-    configuration._marker_ = EEPROM_MARKER;
-  }
-
   if (init == true)
     init_configuration();
   else
   {
+
+    EEPROM.get(EEPROM_START_ADDRESS + offsetof(configuration_s, _marker_), _m_);
+    if (_m_ != EEPROM_MARKER)
+    {
+#ifdef DEBUG
+      Serial.println(F("Found wrong EEPROM marker, initializing EEPROM..."));
+#endif
+      init = true;
+      configuration._marker_ = EEPROM_MARKER;
+    }
+
 #ifdef DEBUG
     Serial.println(F("Loading inital system data from EEPROM."));
 #endif
@@ -1390,21 +1391,22 @@ void initial_values_from_eeprom(bool init)
     show_configuration();
 #endif
 
-    check_configuration();
-
-    for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-    {
-      set_voiceconfig_params(instance_id);
-    }
-    set_fx_params();
-    set_sys_params();
-
-    set_volume(configuration.sys.vol, configuration.sys.mono);
 
 #ifdef DEBUG
     Serial.println(F("OK, loaded!"));
 #endif
   }
+
+  check_configuration();
+  
+  for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
+  {
+    set_voiceconfig_params(instance_id);
+  }
+  set_fx_params();
+  set_sys_params();
+  set_volume(configuration.sys.vol, configuration.sys.mono);
+
 #ifdef DEBUG
   show_configuration();
 #endif
diff --git a/UI.hpp b/UI.hpp
index a91d3dd..c34ffa7 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -1434,8 +1434,8 @@ void UI_func_reverb_send(uint8_t param)
 
     lcd_display_bar_int("Reverb Send", configuration.fx.reverb_send[selected_instance_id], 1.0, REVERB_SEND_MIN, REVERB_SEND_MAX, 3, false, false, false);
 
-    reverb_mixer_r.gain(selected_instance_id, pseudo_log_curve(configuration.fx.reverb_send[selected_instance_id] / 100.0));
-    reverb_mixer_l.gain(selected_instance_id, pseudo_log_curve(configuration.fx.reverb_send[selected_instance_id] / 100.0));
+    reverb_mixer_r.gain(selected_instance_id, pseudo_log_curve(mapfloat(configuration.fx.reverb_send[selected_instance_id], REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, 1.0)));
+    reverb_mixer_l.gain(selected_instance_id, pseudo_log_curve(mapfloat(configuration.fx.reverb_send[selected_instance_id], REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, 1.0)));
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
diff --git a/dexed.cpp b/dexed.cpp
index 792ff43..88e0116 100644
--- a/dexed.cpp
+++ b/dexed.cpp
@@ -150,7 +150,7 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
         {
           //sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j] >> 4, 24, 9)) / 0x8000;
           //sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j] >> 5, 24, 9)) / 0x8000;
-          sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j], 32, 14)) / 0x8000;
+          sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j], 32, 13)) / 0x8000;
           //sumbuf[i + j] += static_cast<float>(audiobuf.get()[j] / 0x8000);
           audiobuf.get()[j] = 0;
         }
diff --git a/dexed_sd.cpp b/dexed_sd.cpp
index 9e39a06..ddb9e8b 100644
--- a/dexed_sd.cpp
+++ b/dexed_sd.cpp
@@ -344,7 +344,7 @@ bool save_sd_bank(const char* bank_filename, uint8_t* data)
 /******************************************************************************
    SD VOICECONFIG
  ******************************************************************************/
-bool load_sd_voiceconfig(uint8_t vc, uint8_t instance_id)
+bool load_sd_voiceconfig(int8_t vc, uint8_t instance_id)
 {
   if (vc < 0)
     return (false);
@@ -444,7 +444,7 @@ bool save_sd_voiceconfig(uint8_t vc, uint8_t instance_id)
 /******************************************************************************
    SD FX
  ******************************************************************************/
-bool load_sd_fx(uint8_t fx)
+bool load_sd_fx(int8_t fx)
 {
   if (fx < 0)
     return (false);
@@ -543,7 +543,7 @@ bool save_sd_fx(uint8_t fx)
 /******************************************************************************
    SD PERFORMANCE
  ******************************************************************************/
-bool load_sd_performance(uint8_t p)
+bool load_sd_performance(int8_t p)
 {
   if (p < 0)
     return (false);
diff --git a/dexed_sd.h b/dexed_sd.h
index 655dd4e..075f2e2 100644
--- a/dexed_sd.h
+++ b/dexed_sd.h
@@ -53,13 +53,13 @@ bool get_sd_voice(File sysex, uint8_t voice_number, uint8_t* data);
 bool put_sd_voice(File sysex, uint8_t voice_number, uint8_t* data);
 bool save_sd_bank(const char* bank_filename, uint8_t* data);
 
-bool load_sd_voiceconfig(uint8_t vc, uint8_t instance_id);
+bool load_sd_voiceconfig(int8_t vc, uint8_t instance_id);
 bool save_sd_voiceconfig(uint8_t vc, uint8_t instance_id);
 
-bool load_sd_fx(uint8_t fx);
+bool load_sd_fx(int8_t fx);
 bool save_sd_fx(uint8_t fx);
 
-bool load_sd_performance(uint8_t p);
+bool load_sd_performance(int8_t p);
 bool save_sd_performance(uint8_t p);
 
 bool get_sd_data(File sysex, uint8_t format, uint8_t* conf);