diff --git a/config.h b/config.h
index 7a6f72d..c6b2a43 100644
--- a/config.h
+++ b/config.h
@@ -32,15 +32,15 @@
 // ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from
 // 128 to 64 in <ARDUINO-IDE-DIR>/cores/teensy3/AudioStream.h
 
-// If you want to test the system with Linux and withous any keyboard and/or audio equipment, you can do the following:
+// If you want to test the system with Linux and without any keyboard and/or audio equipment, you can do the following:
 // 1. In Arduino-IDE enable "Tools->USB-Type->Serial + MIDI + Audio"
 // 2. Build the firmware with "MIDI_DEVICE_USB" enabled in config.h.
 // 3. Afterconnecting to a Linux system there should be a MIDI an audio device available that is called "MicroMDexed", so you can start the following:
 // $ aplaymidi -p 20:0 <MIDI-File> # e.g. test.mid
-// $ arecord -f cd -Dhw:1,0 /tmp/bla.wav
+// $ arecord -f cd -Dhw:1,0 /tmp/<AUDIO_FILE_NAME>.wav
 //
 
-#define VERSION "0.9.8"
+#define VERSION "0.9.9"
 
 //*************************************************************************************************
 //* DEVICE SETTINGS
@@ -61,10 +61,10 @@
 #define AUDIO_DEVICE_USB
 //#define TEENSY_DAC
 //#define TEENSY_DAC_SYMMETRIC
-//#define TEENSY_AUDIO_BOARD
+#define TEENSY_AUDIO_BOARD
 //#define I2S_AUDIO_ONLY
 //#define TGA_AUDIO_BOARD
-#define PT8211_AUDIO
+//#define PT8211_AUDIO
 
 //*************************************************************************************************
 //* MIDI SOFTWARE SETTINGS
@@ -84,6 +84,7 @@
 #define MOD_WAVEFORM WAVEFORM_TRIANGLE // WAVEFORM_SINE WAVEFORM_TRIANGLE WAVEFORM_SAWTOOTH WAVEFORM_SAWTOOTH_REVERSE
 #define MOD_FILTER_OUTPUT MOD_NO_FILTER_OUTPUT // MOD_LINKWITZ_RILEY_FILTER_OUTPUT MOD_BUTTERWORTH_FILTER_OUTPUT MOD_NO_FILTER_OUTPUT
 #define MOD_FILTER_CUTOFF_HZ 3000
+// REVERB ENABLE/DISABLE
 #define USE_REVERB 1
 
 //*************************************************************************************************
@@ -148,7 +149,7 @@
 //*************************************************************************************************
 //* DEBUG OUTPUT SETTINGS
 //*************************************************************************************************
-#define DEBUG 1
+//#define DEBUG 1
 #define SERIAL_SPEED 230400
 #define SHOW_XRUN 1
 #define SHOW_CPU_LOAD_MSEC 5000
@@ -229,12 +230,12 @@ enum { DEXED, CHORUS, DELAY, REVERB};
 #define MIDI_DEVICE_USB_HOST 1
 #if defined(USE_REVERB)
 #if defined(DEBUG)
-#define MAX_NOTES 10
-#else
 #define MAX_NOTES 11
+#else
+#define MAX_NOTES 12
 #endif
 #else
-#define MAX_NOTES 14
+#define MAX_NOTES 15
 #endif
 #endif
 
diff --git a/dexed_sysex.cpp b/dexed_sysex.cpp
index 78f6cb4..bf2df52 100644
--- a/dexed_sysex.cpp
+++ b/dexed_sysex.cpp
@@ -356,7 +356,7 @@ bool get_sysex_voice(File sysex, uint8_t voice_number, uint8_t* data)
 void create_sysex_setup_filename(uint8_t b, uint8_t v, char* sysex_setup_file_name)
 {
   // init and set name for actual bank
-  memset(sysex_setup_file_name, 0, sizeof(sysex_setup_file_name));
+  memset(sysex_setup_file_name, 0, SYSEXFILENAME_LEN);
   sysex_setup_file_name[0] = '/';
   itoa(b, &sysex_setup_file_name[1], 10);
   strcat(sysex_setup_file_name, "/");
@@ -465,7 +465,7 @@ bool load_sysex_setup(uint8_t b, uint8_t v, uint8_t instance_id)
   if (sd_card_available)
   {
     File sysex;
-    char sysex_setup_file_name[10];
+    char sysex_setup_file_name[SYSEXFILENAME_LEN];
 
     create_sysex_setup_filename(b, v, sysex_setup_file_name);
 
diff --git a/dexed_sysex.h b/dexed_sysex.h
index ac93701..6d991ef 100644
--- a/dexed_sysex.h
+++ b/dexed_sysex.h
@@ -29,6 +29,8 @@
 #ifndef DEXED_SYSEX_H_INCLUDED
 #define DEXED_SYSEX_H_INCLUDED
 
+#define SYSEXFILENAME_LEN 10
+
 extern bool sd_card_available;
 extern Dexed* dexed;
 extern AudioSourceMicroDexed * MicroDexed[NUM_DEXED];