diff --git a/include/sst/basic-blocks/params/ParamMetadata.h b/include/sst/basic-blocks/params/ParamMetadata.h
index eea1614..cde6737 100644
--- a/include/sst/basic-blocks/params/ParamMetadata.h
+++ b/include/sst/basic-blocks/params/ParamMetadata.h
@@ -695,10 +695,10 @@ struct ParamMetaData
             .withIntegerQuantization()
             .withDecimalPlaces(0);
     }
-    ParamMetaData asLfoRate()
+    ParamMetaData asLfoRate(float from = -7.f, float to = 9.f)
     {
         return withType(FLOAT)
-            .withRange(-7, 9)
+            .withRange(from, to)
             .temposyncable()
             .withTemposyncMultiplier(-1)
             .withIntegerQuantization()
diff --git a/include/sst/basic-blocks/tables/TwoToTheXProvider.h b/include/sst/basic-blocks/tables/TwoToTheXProvider.h
index 62ba49d..27684e7 100644
--- a/include/sst/basic-blocks/tables/TwoToTheXProvider.h
+++ b/include/sst/basic-blocks/tables/TwoToTheXProvider.h
@@ -34,6 +34,7 @@ namespace sst::basic_blocks::tables
 {
 struct TwoToTheXProvider
 {
+    bool isInit{false};
     static constexpr int intBase{-15};
     static constexpr int providerRange{32};
 
@@ -44,6 +45,9 @@ struct TwoToTheXProvider
 
     void init()
     {
+        if (isInit)
+            return;
+
         for (int i = 0; i < providerRange; i++)
         {
             baseValue[i] = pow(2.0, i + intBase);
@@ -54,6 +58,8 @@ struct TwoToTheXProvider
             double frac = i * 1.0 / (nInterp - 1);
             table_two_to_the[i] = pow(2.0, frac);
         }
+
+        isInit = true;
     }
 
     float twoToThe(float x) const