The24 SUB PRO PASSIVE SEALED infrasub is a statement.
Its huge cone surface area and huge 90 mm of linear stroke - represents a world record for cinema subwoofers - allow it to move a gigantic volume of 10 liters of air per stroke to pressurize the room. Due to its ultra-low resonance frequency and its sealed enclosure design the group delay is several times faster than the smaller 18", 15" or 12" subwoofers at the same frequency. Also the acoustic power output per cubic inch is by far in favour of this unique design compared to stacked multiple smaller subwoofers.
Its ingenious design allows the The24 SUB PRO to produce frequencies in the infrasonic frequency range with authority, reaching down lower than subwoofers with a smaller diaphragm surface ever will. At the same time this infrasub renders those notes with much more power, structure and resolution.
The The24 SUB PRO ideally suits not only all types and sizes of cinemas, but also high-end stereo systems. Much of the spacial room information of the recording envirnment in a great audiophile recording is contained in the sub 30Hz audio band. You will hear more details in mid and high frequencies.
24" forward-firing woofer, with dual 5" voice coil
45 mm excursion each direction (90 mm linear), voice coil remaining in homogeneous magnetic field, linear and lowest distortion
Passive | Active
1 Ch DSP + 2 Amp. channels are required. Min. recommended amplifiers: 2 x 99 Vrms, 140 Vpk, 25 A; equivalent to 2500W@4O per channel, total 5000W with correct RMS & Peak limiting & compression settings.
Recommended ASCENDO amplifiers
90 dB / 1W/m
2 x 2500 W
Dual voice coil, 4 Ω each
Air volume displacement
9,9 L / in comparison 18" standard cinema subwoofer 1,1 L
Directivity horizontal x vertical in Deg°
Internally braced birch ply and MDF
29,53 " | 750 mm
43,31 " | 1100 mm
Hight with feet
44,29 " | 1125 mm
Depth without grill
19,69 " | 500 mm
Depth with plug
19,69 " | 500 mm
255,74 lbs | 116 kg
Structural paint black
Custom colour options
Piano lacquer, colour of choice, matt or other finishes upon request
Floor standing with feet
Technical modiﬁcations subject to change without further notice