diff --git a/MicroMDAEPiano.ino b/MicroMDAEPiano.ino
index c454b97..5357cca 100644
--- a/MicroMDAEPiano.ino
+++ b/MicroMDAEPiano.ino
@@ -196,8 +196,8 @@ void setup()
   // create EPiano object
   ep = new mdaEPiano();
 
+  // set initial init configuration
   set_complete_configuration();
-  initial_values_from_eeprom();
 
   setup_midi_devices();
 
@@ -244,7 +244,7 @@ void setup()
   // chorus modulation fixed
   modulator.begin(WAVEFORM_MOD);
   modulator.phase(0);
-  modulator.amplitude(1.0);
+  modulator.amplitude(0.0);
   modulator.offset(0.0);
   modchorus_r.offset(15.0);
   modchorus_l.offset(15.0);
@@ -274,7 +274,7 @@ void setup()
   mixer_l.gain(VOL_CHORUS, 0.2);
 
   // Stereo/Mono initial setup
-  if (configuration.mono == false)
+  if (configuration.mono == 0)
   {
     inverter.gain(-1.0); // change phase for second modulated delay (faked stereo mode)
   }
@@ -287,6 +287,9 @@ void setup()
   // set master volume
   set_master_volume(master_volume);
 
+  // load last configuration used
+  initial_values_from_eeprom();
+
   // init random generator
   srand(analogRead(A0));
 
@@ -778,6 +781,8 @@ void show_sound(void)
   Serial.println(configuration.midi_soft_thru, DEC);
   Serial.print(F("Maximum Polyphony: "));
   Serial.println(configuration.max_poly, DEC);
+  Serial.print(F("Audio-Mono: "));
+  Serial.println(configuration.mono, DEC);
   Serial.print(F("Panorama: "));
   Serial.println(configuration.pan, DEC);
   Serial.println(F("======END=SOUND=CONFIGURATION======="));
diff --git a/UI.hpp b/UI.hpp
index 0ee54eb..c04483f 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -2230,7 +2230,8 @@ void set_chorus_delay(uint8_t value)
   Serial.print(F("Set CHORUS_DELAY "));
   Serial.println(value);
 #endif
-  modchorus_r.offset(20.0);
+  modchorus_r.offset(float(value) / 10);
+  modchorus_l.offset(float(value) / 10);
   configuration.chorus_delay = value;
 }
 
@@ -2702,7 +2703,7 @@ void handle_ui(void)
           if (encoder_tmp != encoder_value[RIGHT_ENCODER])
           {
             // value up/down
-            set_chorus_delay(encoder_tmp / 10);
+            set_chorus_delay(encoder_tmp);
             menu_system.update();
           }
         }
diff --git a/config.h b/config.h
index 49850dd..0cf3159 100644
--- a/config.h
+++ b/config.h
@@ -99,7 +99,7 @@
   30: 1.22 Volts p-p
   31: 1.16 Volts p-p
 */
-#define SGTL5000_LINEOUT_LEVEL 25
+#define SGTL5000_LINEOUT_LEVEL 21
 //#define SDCARD_CS_PIN    10
 //#define SDCARD_MOSI_PIN  7
 //#define SDCARD_SCK_PIN   14
@@ -137,7 +137,7 @@
 //* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
 //*************************************************************************************************
 
-#define MICRO_MDAEPIANO_VERSION "0.9.7"
+#define MICRO_MDAEPIANO_VERSION "0.9.8"
 
 #define MAX_SOUNDS min(99,int((4096-EEPROM_CONFIGURATIONS)/sizeof(config_t)))
 
diff --git a/mdaEPiano.cpp b/mdaEPiano.cpp
index f23886a..b528e4b 100644
--- a/mdaEPiano.cpp
+++ b/mdaEPiano.cpp
@@ -257,7 +257,7 @@ void mdaEPiano::setOverdrive(float value)
 void mdaEPiano::setLoudness(float value)
 {
   //volume = value * 0.32258; // 0.00002 * 127^2
-  volume = value * 0.17f;
+  volume = value * 0.16f;
 }
 
 void mdaEPiano::setParameter(int32_t index, float value)