diff --git a/src/Menus.cpp b/src/Menus.cpp
index c8ab777f0..c49112332 100644
--- a/src/Menus.cpp
+++ b/src/Menus.cpp
@@ -2157,7 +2157,11 @@ void AudacityProject::ModifyToolbarMenus()
    active = TracksPrefs::GetPinnedHeadPreference();
    mCommandManager.Check(wxT("PinnedHead"), active);
 
+#ifdef EXPERIMENTAL_DA
    gPrefs->Read(wxT("/AudioIO/Duplex"),&active, false);
+#else
+   gPrefs->Read(wxT("/AudioIO/Duplex"),&active, true);
+#endif
    mCommandManager.Check(wxT("Duplex"), active);
    gPrefs->Read(wxT("/AudioIO/SWPlaythrough"),&active, false);
    mCommandManager.Check(wxT("SWPlaythrough"), active);
@@ -2721,7 +2725,11 @@ void AudacityProject::OnTogglePinnedHead()
 void AudacityProject::OnTogglePlayRecording()
 {
    bool Duplex;
+#ifdef EXPERIMENTAL_DA
    gPrefs->Read(wxT("/AudioIO/Duplex"), &Duplex, false);
+#else
+   gPrefs->Read(wxT("/AudioIO/Duplex"), &Duplex, true);
+#endif
    gPrefs->Write(wxT("/AudioIO/Duplex"), !Duplex);
    gPrefs->Flush();
    ModifyAllProjectToolbarMenus();
diff --git a/src/prefs/RecordingPrefs.cpp b/src/prefs/RecordingPrefs.cpp
index 19af2513a..552aa584b 100644
--- a/src/prefs/RecordingPrefs.cpp
+++ b/src/prefs/RecordingPrefs.cpp
@@ -73,7 +73,12 @@ void RecordingPrefs::PopulateOrExchange(ShuttleGui & S)
    {
       S.TieCheckBox(_("&Other tracks while recording"),
                     wxT("/AudioIO/Duplex"),
+#ifdef EXPERIMENTAL_DA
                     false);
+#else
+                    true);
+#endif
+
 #if defined(__WXMAC__)
       S.TieCheckBox(_("&Hardware Playthrough of input"),
                     wxT("/AudioIO/Playthrough"),
diff --git a/src/toolbars/ControlToolBar.cpp b/src/toolbars/ControlToolBar.cpp
index 4708e9631..d0f7f01d1 100644
--- a/src/toolbars/ControlToolBar.cpp
+++ b/src/toolbars/ControlToolBar.cpp
@@ -981,8 +981,11 @@ void ControlToolBar::OnRecord(wxCommandEvent &evt)
       NoteTrackArray midiTracks;
 #endif
       bool duplex;
+#ifdef EXPERIMENTAL_DA
       gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, false);
-
+#else
+      gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
+#endif
       if(duplex){
          playbackTracks = trackList->GetWaveTrackConstArray(false);
 #ifdef EXPERIMENTAL_MIDI_OUT
@@ -1383,8 +1386,11 @@ void ControlToolBar::StartScrolling()
          // If you overdub, you may want to anticipate some context in existing tracks,
          // so center the head.  If not, put it rightmost to display as much wave as we can.
          bool duplex;
+#ifdef EXPERIMENTAL_DA
          gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, false);
-
+#else
+         gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
+#endif
          if (duplex) {
             // See if there is really anything being overdubbed
             if (gAudioIO->GetNumPlaybackChannels() == 0)