diff --git a/src/sfizz/Defaults.h b/src/sfizz/Defaults.h
index 4d01301c..3f53ecc3 100644
--- a/src/sfizz/Defaults.h
+++ b/src/sfizz/Defaults.h
@@ -206,5 +206,10 @@ namespace Default
 	constexpr bool checkSostenuto { true }; // sostenuto_sw
     constexpr Range<int> octaveOffsetRange { -10, 10 }; // octave_offset
     constexpr Range<int> noteOffsetRange { -127, 127 }; // note_offset
+
+    constexpr Range<int> apanWaveformRange { 0, std::numeric_limits<int>::max() };
+    constexpr Range<float> apanFrequencyRange { 0, std::numeric_limits<float>::max() };
+    constexpr Range<float> apanPhaseRange { 0.0, 360.0 };
+    constexpr Range<float> apanLevelRange { 0.0, 100.0 };
 }
 }
diff --git a/src/sfizz/effects/Apan.cpp b/src/sfizz/effects/Apan.cpp
index 7b370c1e..bac37e74 100644
--- a/src/sfizz/effects/Apan.cpp
+++ b/src/sfizz/effects/Apan.cpp
@@ -80,30 +80,30 @@ namespace fx {
         for (const Opcode& opc : members) {
             switch (opc.lettersOnlyHash) {
             case hash("apan_waveform"):
-                if (auto value = readOpcode(opc.value, Range<int> { 0, std::numeric_limits<int>::max() }))
+                if (auto value = readOpcode(opc.value, Default::apanWaveformRange))
                     fx->_lfoWave = *value;
                 break;
             case hash("apan_freq"):
-                if (auto value = readOpcode(opc.value, Range<float> { 0.0, std::numeric_limits<float>::max() }))
+                if (auto value = readOpcode(opc.value, Default::apanFrequencyRange))
                     fx->_lfoFrequency = *value;
                 break;
             case hash("apan_phase"):
-                if (auto value = readOpcode(opc.value, Range<float> { 0.0, 360.0 })) {
+                if (auto value = readOpcode(opc.value, Default::apanPhaseRange)) {
                     float phase = *value / 360.0f;
                     phase -= (int)phase;
                     fx->_lfoPhaseOffset = phase;
                 }
                 break;
             case hash("apan_dry"):
-                if (auto value = readOpcode(opc.value, Range<float> { 0.0, 100.0 }))
+                if (auto value = readOpcode(opc.value, Default::apanLevelRange))
                     fx->_dry = *value / 100.0f;
                 break;
             case hash("apan_wet"):
-                if (auto value = readOpcode(opc.value, Range<float> { 0.0, 100.0 }))
+                if (auto value = readOpcode(opc.value, Default::apanLevelRange))
                     fx->_wet = *value / 100.0f;
                 break;
             case hash("apan_depth"):
-                if (auto value = readOpcode(opc.value, Range<float> { 0.0, 100.0 }))
+                if (auto value = readOpcode(opc.value, Default::apanLevelRange))
                     fx->_depth = *value / 100.0f;
                 break;
             }