--BUBBLE
no data
7.0BOOM
BEQ 8.4
Back to the Past (2025)⚠ sub-bass -20 dB
no channel
graph published
graph published
Back to the Past (2025)
BOOM 7.0 (with BEQ 8.4). Bass measured on the disc, DD+. Directed by Jack Lai, Ng Yuen-Fai. Science Fiction, Action, Comedy.
No channel-activity graph is published for this film,
so it carries a bass score only.
so it carries a bass score only.
- DEMO
- needs both scores measured
- Bubble
- no channel graph published
- Boom, as released
- 7.0 / 10
- Boom with BEQ
- 8.4 / 10
- Measured release
- Disc · DD+ · chart by mikejl
- Deep bass peak, 10–30 Hz
- -24.0 dBFS · with BEQ -19.3
- Depth, 10–20 vs 30–60 Hz
- +1.1 dB · with BEQ +6.7
- Average level, 10–30 Hz
- -51.2 dBFS · with BEQ -46.5
- Minutes of deep bass
- 29 min · with BEQ 39 min at ≥ −30 dBFS
- Sub-bass warning
- the disc peaks at -20.0 dBFS at 10 Hz — top of the field; mind ports and driver excursion
- Chart scale read
- -10 to -69.7 dBFS
- Genres
- Science Fiction, Action, Comedy
- Tags
- period drama, science fiction
- Audio
- DD+
- Released
- 31 Dec 2025
- First listed
- 22 Feb 2026
- Sources
- BEQ