diff --git a/core/assets/sounds/beams/beamHeal.ogg b/core/assets/sounds/beams/beamHeal.ogg
index 81440f1dc4..9944e023c4 100644
Binary files a/core/assets/sounds/beams/beamHeal.ogg and b/core/assets/sounds/beams/beamHeal.ogg differ
diff --git a/core/assets/sounds/loops/loopCircuit.ogg b/core/assets/sounds/loops/loopCircuit.ogg
new file mode 100644
index 0000000000..7928117498
Binary files /dev/null and b/core/assets/sounds/loops/loopCircuit.ogg differ
diff --git a/core/assets/sounds/loops/loopDifferential.ogg b/core/assets/sounds/loops/loopDifferential.ogg
new file mode 100644
index 0000000000..0e6566475b
Binary files /dev/null and b/core/assets/sounds/loops/loopDifferential.ogg differ
diff --git a/core/assets/sounds/loops/loopHover.ogg b/core/assets/sounds/loops/loopHover.ogg
new file mode 100644
index 0000000000..b51e03e4c1
Binary files /dev/null and b/core/assets/sounds/loops/loopHover.ogg differ
diff --git a/core/assets/sounds/loops/loopMachine2.ogg b/core/assets/sounds/loops/loopMachine2.ogg
new file mode 100644
index 0000000000..a81f429e34
Binary files /dev/null and b/core/assets/sounds/loops/loopMachine2.ogg differ
diff --git a/core/assets/sounds/loops/loopMachineSpin.ogg b/core/assets/sounds/loops/loopMachineSpin.ogg
new file mode 100644
index 0000000000..0939d3d476
Binary files /dev/null and b/core/assets/sounds/loops/loopMachineSpin.ogg differ
diff --git a/core/assets/sounds/loops/loopRegen.ogg b/core/assets/sounds/loops/loopRegen.ogg
new file mode 100644
index 0000000000..1ba4999342
Binary files /dev/null and b/core/assets/sounds/loops/loopRegen.ogg differ
diff --git a/core/assets/sounds/loops/loopUnitBuilding.ogg b/core/assets/sounds/loops/loopUnitBuilding.ogg
index cc0e4332f8..07893d5944 100644
Binary files a/core/assets/sounds/loops/loopUnitBuilding.ogg and b/core/assets/sounds/loops/loopUnitBuilding.ogg differ
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index bcf2d0e39f..667a87317c 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -1189,6 +1189,8 @@ public class Blocks{
             envEnabled |= Env.space;
 
             size = 2;
+            ambientSound = Sounds.loopMachineSpin;
+            ambientSoundVolume = 0.09f;
 
             consumePower(0.20f);
             consumeItems(with(Items.coal, 1, Items.lead, 2, Items.sand, 2));
@@ -1201,6 +1203,8 @@ public class Blocks{
             outputItem = new ItemStack(Items.blastCompound, 1);
             size = 2;
             envEnabled |= Env.space;
+            ambientSound = Sounds.loopMachineSpin;
+            ambientSoundVolume = 0.1f;
 
             consumeItems(with(Items.pyratite, 1, Items.sporePod, 1));
             consumePower(0.40f);
@@ -1932,6 +1936,7 @@ public class Blocks{
             consumePower(3.50f);
             size = 2;
             consumeItem(Items.phaseFabric).boost();
+            ambientSoundVolume = 0.05f;
         }};
 
         overdriveDome = new OverdriveProjector("overdrive-dome"){{
@@ -2573,9 +2578,9 @@ public class Blocks{
             hasLiquids = true;
             hasItems = true;
             size = 3;
-            ambientSound = Sounds.loopSteam;
+            ambientSound = Sounds.loopDifferential;
             generateEffect = Fx.generatespark;
-            ambientSoundVolume = 0.05f;
+            ambientSoundVolume = 0.12f;
 
             drawer = new DrawMulti(new DrawDefault(), new DrawWarmupRegion(), new DrawLiquidRegion());
 
diff --git a/core/src/mindustry/type/Weapon.java b/core/src/mindustry/type/Weapon.java
index ef98fb550a..2e9996ea24 100644
--- a/core/src/mindustry/type/Weapon.java
+++ b/core/src/mindustry/type/Weapon.java
@@ -417,7 +417,7 @@ public class Weapon implements Cloneable{
 
         //flip weapon shoot side for alternating weapons
         boolean wasFlipped = mount.side;
-        if(otherSide != -1 && alternate && mount.side == flipSprite && mount.reload <= reload / 2f && lastReload > reload / 2f){
+        if(otherSide >= 0 && alternate && mount.side == flipSprite && otherSide < unit.mounts.length && mount.reload <= reload / 2f && lastReload > reload / 2f){
             unit.mounts[otherSide].side = !unit.mounts[otherSide].side;
             mount.side = !mount.side;
         }
diff --git a/core/src/mindustry/world/blocks/defense/OverdriveProjector.java b/core/src/mindustry/world/blocks/defense/OverdriveProjector.java
index 9e957d0eee..17c606bd86 100644
--- a/core/src/mindustry/world/blocks/defense/OverdriveProjector.java
+++ b/core/src/mindustry/world/blocks/defense/OverdriveProjector.java
@@ -41,6 +41,8 @@ public class OverdriveProjector extends Block{
         emitLight = true;
         lightRadius = 50f;
         envEnabled |= Env.space;
+        ambientSound = Sounds.loopCircuit;
+        ambientSoundVolume = 0.13f;
     }
 
     @Override
@@ -71,7 +73,7 @@ public class OverdriveProjector extends Block{
             stats.add(Stat.booster, StatValues.itemBoosters("+{0}%", stats.timePeriod, speedBoostPhase * 100f, phaseRangeBoost, items.items));
         }
     }
-    
+
     @Override
     public void setBars(){
         super.setBars();
diff --git a/core/src/mindustry/world/blocks/defense/RegenProjector.java b/core/src/mindustry/world/blocks/defense/RegenProjector.java
index 15a163ff5c..88a1a8e549 100644
--- a/core/src/mindustry/world/blocks/defense/RegenProjector.java
+++ b/core/src/mindustry/world/blocks/defense/RegenProjector.java
@@ -47,6 +47,8 @@ public class RegenProjector extends Block{
         envEnabled |= Env.space;
         rotateDraw = false;
         flags = EnumSet.of(BlockFlag.blockRepair);
+        ambientSound = Sounds.loopRegen;
+        ambientSoundVolume = 0.45f;
     }
 
     @Override