sound isn't so terrible

Assets/_Project/Audio/tesla_tower.ogg.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: ac71e042fc717a9c496b76afa7803ddf
+guid: a0b5d0b15de667604b825f12d39b05a8
 AudioImporter:
   externalObjects: {}
   serializedVersion: 8

Assets/_Project/Prefabs/Towers/Tower_TeslaCoil.prefab

@@ -237,7 +237,7 @@ AudioSource:
   m_audioClip: {fileID: 0}
   m_Resource: {fileID: 0}
   m_PlayOnAwake: 0
-  m_Volume: 1
+  m_Volume: 0.5
   m_Pitch: 1
   Loop: 0
   Mute: 0
@@ -333,7 +333,9 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: db643146344a08a639133638e4746a33, type: 3}
   m_Name: 
   m_EditorClassIdentifier: Assembly-CSharp::TD.Combat.TeslaTowerFireSound
-  fireClip: {fileID: 8300000, guid: ac71e042fc717a9c496b76afa7803ddf, type: 3}
+  fireClip: {fileID: 8300000, guid: a0b5d0b15de667604b825f12d39b05a8, type: 3}
+  minPitch: 0.92
+  maxPitch: 1.07
 --- !u!1 &7101790219931971190
 GameObject:
   m_ObjectHideFlags: 0

Assets/_Project/Scripts/Combat/TeslaTowerFireSound.cs

@@ -20,6 +20,10 @@ namespace TD.Combat
         [Tooltip("Sound played each time the coil discharges.")]
         [SerializeField] private AudioClip fireClip;
 
+        [Tooltip("Pitch is randomized within this range each shot to avoid a mechanical loop.")]
+        [SerializeField] private float minPitch = 0.93f;
+        [SerializeField] private float maxPitch = 1.07f;
+
         private TowerCombat combat;
         private AudioSource audioSource;
 
@@ -42,7 +46,11 @@ namespace TD.Combat
         private void HandleAreaFired(Vector3[] positions)
         {
             if (fireClip != null)
-                audioSource.PlayOneShot(fireClip);
+            {
+                audioSource.pitch = Random.Range(minPitch, maxPitch);
+                audioSource.clip  = fireClip;
+                audioSource.Play();
+            }
         }
     }
 }