diff --git a/amp.h b/amp.h
index e6c8f17..78eab97 100644
--- a/amp.h
+++ b/amp.h
@@ -11,7 +11,6 @@ class Mustang;
 // F57 Champ
 // F65 Deluxe
 // F65 Princeton
-// F65 Twin
 // 60s Thrift
 //
 class AmpCC {
@@ -76,6 +75,8 @@ private:
   }
   // Noise Gate Custom Depth
   virtual int cc91( int value, unsigned char *cmd ) { return continuous_control( 0x09, 0x09, 0x0c, value, cmd );}
+  // Dummy in base class
+  virtual int cc92( int value, unsigned char *cmd ) { return -1;}
 };
 
 
@@ -116,6 +117,15 @@ private:
   virtual int cc78( int value, unsigned char *cmd ) { return continuous_control( 0x07, 0x07, 0x0c, value, cmd );}
   // Master Volume
   virtual int cc79( int value, unsigned char *cmd ) { return continuous_control( 0x03, 0x03, 0x0c, value, cmd );}
+  // Bright Switch
+  virtual int cc92( int value, unsigned char *cmd ) { 
+    // Inverted logic
+    unsigned char flag;
+    // 0 --> Bright On
+    if ( value>63 && value <=127 ) flag = 0;
+    else                           flag = 1;
+    return discrete_control( 0x14, 0x14, 0x8d, value, cmd );
+  }
 };
   
 
@@ -172,6 +182,24 @@ private:
 };
   
 
+// F65 Twin
+//
+class AmpCC8 : public AmpCC {
+public:
+  AmpCC8( Mustang * theAmp, const unsigned char *model, const unsigned char theSlot ) : AmpCC(theAmp,model,theSlot) {}
+private:
+  // Bright Switch
+  virtual int cc92( int value, unsigned char *cmd ) { 
+    // Inverted logic
+    unsigned char flag;
+    // 0 --> Bright On
+    if ( value>63 && value <=127 ) flag = 0;
+    else                           flag = 1;
+    return discrete_control( 0x14, 0x14, 0x8d, value, cmd );
+  }
+};
+  
+
 // Null Amp
 //
 class NullAmpCC : public AmpCC {
diff --git a/mustang.cpp b/mustang.cpp
index 9e379b1..8988c6c 100644
--- a/mustang.cpp
+++ b/mustang.cpp
@@ -527,7 +527,6 @@ Mustang::updateAmpObj( const unsigned char *data ) {
        match16(f57_champ_id,model) ||
        match16(f65_deluxe_id,model) ||
        match16(f65_princeton_id,model) ||
-       match16(f65_twin_id,model) ||
        match16(s60s_thrift_id,model) ) {
     new_amp = new AmpCC( this, model, 0 );
   }
@@ -556,6 +555,9 @@ Mustang::updateAmpObj( const unsigned char *data ) {
   else if ( match16(f57_twin_id,model) ) {
     new_amp = new AmpCC7( this, model, 0 );
   }
+  else if ( match16(f65_twin_id,model) ) {
+    new_amp = new AmpCC8( this, model, 0 );
+  }
   else if ( match16(null_amp_id,model) ) {
     new_amp = new NullAmpCC( this, model, 0 );
   }
diff --git a/test.py b/test.py
index 124b756..6ab2ea7 100755
--- a/test.py
+++ b/test.py
@@ -345,9 +345,12 @@ if single == "all" or single == "reverb":
 if single == "all" or single == "delay":
     #      Model           Ctrl     v2only
     delay_test = (
-        ( "Mono Delay", 1, "AAAAA",  False ),
-        ( "Multitap",   4, "AAAAD03", False ),
-        ( "Tape Delay", 8, "AAAAA",  False )
+        ( "Mono Delay",         1, "AAAAA",  False ),
+        ( "Mono Echo Filter",   2, "AAAAAA",  False ),
+        ( "Stereo Echo Filter", 3, "AAAAAA",  False ),
+        ( "Multitap",           4, "AAAAD03", False ),
+        ( "Tape Delay",         8, "AAAAAA",  False ),
+        ( "Stereo Tape Delay",  9, "AAAAAA",  False )
     )
     run_delay_test( delay_test, outport )
 
@@ -355,8 +358,8 @@ if single == "all" or single == "amp":
     #      Model,                  Ctrl                 v2only
     amp_test = ( 
         ( "Studio Preamp",     13, "AAAAA--D04D12",     True  ),
-
-        ( "Fender 65 Twin",     6, "AAAAAD02AD04D12",   False ), 
+        # Test custom noise gate and bright switch
+        ( "Fender 65 Twin",     6, "AAAAAD02AD04D12--D09AD01",   False ), 
         ( "Fender SuperSonic",  7, "AAAAAD02AD04D12AA", False ),
         ( "British 60s",        8, "AAAAAD02AD04D12AA", False ),
         ( "British 70s",        9, "AAAAAD02AD04D12AA", False ),