Atmos Bubble and boom! Index measured, not opinion

American Graffiti (1973)

BOOM 4.2 (with BEQ 7.4). Bass measured on the disc, DTS-HD MA 5.1. Directed by George Lucas. Comedy, Drama.

No channel-activity graph is published for this film,
so it carries a bass score only.
DEMO
needs both scores measured
Bubble
no channel graph published
Boom, as released
4.2 / 10
Boom with BEQ
7.4 / 10
Measured release
Disc · DTS-HD MA 5.1 · chart by kaelaria
Deep bass peak, 10–30 Hz
-29.9 dBFS · with BEQ -17.6
Depth, 10–20 vs 30–60 Hz
-8.7 dB · with BEQ +9.8
Average level, 10–30 Hz
-65.5 dBFS · with BEQ -53.3
Minutes of deep bass
3 min · with BEQ 4 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 26.1 dB at 10–20 Hz
Tomatometer
95% · as of 31 Dec 2023
Metascore
97 / 100 · as of 14 Jul 2025
Chart scale read
-5 to -90.7 dBFS
Genres
Comedy, Drama
Tags
coming-of-age, drama, romantic comedy, teen
Audio
DTS-HD MA 5.1
Released
1 Aug 1973
First listed
20 Nov 2023
Sources
BEQ

See it in the index →  ·  All films