diff --git a/Core/BaseApuChannel.h b/Core/BaseApuChannel.h
index 603a0f2d..c8e6c304 100644
--- a/Core/BaseApuChannel.h
+++ b/Core/BaseApuChannel.h
@@ -31,6 +31,7 @@ public:
 	{
 		_channel = channel;
 		_mixer = mixer;
+		_nesModel = NesModel::NTSC;
 		
 		Reset(false);
 	}
diff --git a/Core/Console.h b/Core/Console.h
index 9bff4be1..a49d1920 100644
--- a/Core/Console.h
+++ b/Core/Console.h
@@ -51,7 +51,7 @@ class Console
 		unique_ptr<HdPackData> _hdData;
 		unique_ptr<HdAudioDevice> _hdAudioDevice;
 
-		NesModel _model;
+		NesModel _model = NesModel::NTSC;
 
 		string _romFilepath;
 		string _patchFilename;
diff --git a/Core/SoundMixer.cpp b/Core/SoundMixer.cpp
index 87acc400..c5886b46 100644
--- a/Core/SoundMixer.cpp
+++ b/Core/SoundMixer.cpp
@@ -25,6 +25,7 @@ SoundMixer::SoundMixer()
 	_blipBufRight = blip_new(SoundMixer::MaxSamplesPerFrame);
 	_sampleRate = EmulationSettings::GetSampleRate();
 	_model = NesModel::NTSC;
+	_clockRate = CPU::GetClockRate(_model);
 
 	Reset();
 }