ASCENDO The 21 SUB PRO Active Sealed : High-end performance fully active, DSP controlled 21″ subwoofer
The 21 SUB PRO ACTIVE SEALED impresses with its unrivalled volume level of 130 dB continuous and 133 dB peak power output.
For a better understanding: The 21 SUB PRO ACTIVE SEALED is significantly more powerful and louder than eight standard 18″ subwoofers combined.
The 21 SUB PRO ACTIVE SEALED also joins this unique performance to an outstanding bass capability.
Compared to conventional motor concepts, the ultra-modern double-gap motor of the custom-made 21″ driver with two outer and two inner voice coils enables much faster directional changes with higher sound power and significantly lower power compression.
The 21 SUB PRO ACTIVE SEALED is particularly suitable as a bass system in large home cinema installations or commercial cinemas for uncompromising demands.
ASCENDO The 21 SUB PRO Active Sealed : High-end performance fully active, DSP controlled 21″ subwoofer
The 21 Sub PRO ACTIVE SEALED is a jewel in the pool of subwoofers designed for the highly educated customer that is on the quest for the highest performance and understands how to differentiate sound quality. When this customer experiences The 21 Sub PRO ACTIVE SEALED unparalleled output and uncolored sound, the measured test results we publish translate perfectly to realized performance.
ASCENDO’s policy is to be completely transparent and publish measurements done by independently certified third-party labs to provide factual data, thereby enabling informed, educated decisions.
The 21 Sub PRO ACTIVE SEALED is so far above and beyond the competition in every aspect; refined musicality, tightness, and output levels suitable for a 21″” driver. It is also engineered to operate perfectly in sync (in phase) with our Infrasonic subwoofers; THE 24/32/50/80 SUB PRO SEALED when there is a desire to reproduce movie content below 20Hz with the same authority, precision, and musicality.
Compared to conventional subwoofer motor concepts, the ultra-modern double-gap motor of this custom-made 21″ driver with two outer and two inner voice-coils enables more linear travel and much faster directional changes with higher sound power and significantly lower power compression.
Enormous power is achieved with the integrated powerful DSP and amplifier unit. The immensely powerful 3kW amplifier and even more powerful 6kW Power-supply handle any musical or movie attack with ease.
The 21 SUB PRO ACTIVE SEALED is suitable as a bass system in large home cinema installations or commercial cinemas, for uncompromising demands. We recommend a minimum of 2 subs, but for very large (auditorium / commercial cinema) installations the number may be extended.
The latest generation of highly efficient Class D amplifiers powers the ASCENDO subs. No fan noise can disturb the listening experience because the amps are passively cooled.
Specifications
• Amplifier: 3kW RMS
• Peak output current : 30A
• THD+N : 0.003%
• Dynamic range : 120dB
• Standby consumption : 0.3W
• Ethernet AVB : 100 Mbit/s Fast Ethernet
• Connectivity : RJ-45 / Cat. 5
• Switch : 2 port Fast Ethernet Switch
• Comand & Control : 2-way full active DSP OCS software controlled and Network Ethernet interface
• Sensitivity / Impedance : 8 dBU / 20 kΩ
• Analog Input : 1 x XLR female
• Technology: Sealed bass design
• Max SPL : 130 dBSPL continuous, 133 dBSPL peak
• Frequency response (-3dB) : 23Hz – 200Hz
• Woofer : Custom built 21“ (53 cm) woofer – dual gap motor structure with 2 inner and 2 outer voice coils
• Cabinet design : MDF and Birch Plywood, internally braced
• Finish:
- STD : High resistant black matt Polyurea paint (standard “cinema” finish)
- CUSTOM : matt/glossy/metallic paint or real piano lacquer (color of your choice)
• Dimensions : 600 x 500 x 1040 mm (Width x Depth x Height)
• Net weight : 68 kg
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