diff --git a/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post10-0.wav b/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post10-0.wav
new file mode 100755
index 0000000..5cc84e5
Binary files /dev/null and b/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post10-0.wav differ
diff --git a/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post38down.wav b/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post38down.wav
new file mode 100755
index 0000000..81a4af3
Binary files /dev/null and b/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post38down.wav differ
diff --git a/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post48up.wav b/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post48up.wav
new file mode 100755
index 0000000..6b2e955
Binary files /dev/null and b/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post48up.wav differ
diff --git a/sounds/fdd/fdd_audio_profiles.cfg b/sounds/fdd/fdd_audio_profiles.cfg
index c3b0d62..a1ef400 100644
--- a/sounds/fdd/fdd_audio_profiles.cfg
+++ b/sounds/fdd/fdd_audio_profiles.cfg
@@ -946,6 +946,15 @@ seek_up_79track_file = assets/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.4
 seek_up_79track_volume = 2.0
 seek_down_79track_file = assets/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_79down.wav
 seek_down_79track_volume = 2.0
+amibios_post_seek_up_48track_file = assets/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post48up.wav
+amibios_post_seek_up_48track_volume = 2.0
+amibios_post_seek_down_38track_file = assets/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post38down.wav
+amibios_post_seek_down_38track_volume = 2.0
+amibios_post_seek_down_1track_file = assets/sounds/fdd/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks/3.5_Alps_Electric_Co_Ltd_DF354H148F_1.44M_80tracks_post10-0.wav
+amibios_post_seek_down_1track_volume = 2.0
+amibios_post_seek_48track_time_ms = 300.0
+amibios_post_seek_38track_time_ms = 250.0
+amibios_post_seek_1track_time_ms = 10.0
 seek_1track_time_ms = 30.0
 seek_2track_time_ms = 35.0
 seek_3track_time_ms = 40.0