Design Ideologies
With their ultra-high efficiency subwoofers, the Prima active subwoofer enclosures feature a dedicated high-performance amplification module that enhances all the passive box technologies.
Two Plus Two Design
This includes the 2S², aka 2 sides / 2 sounds design; the plug and play terminal block and its overall ultra-compact size. The amplification module, with its high continuous power output, is developed with high efficiency / low impedance ideologies, which allows it to reach an efficiency of 90% thanks to the absence of the DC-DC voltage booster. An efficiency very close to the theoretical limit of D class amplification D-Class
New Technologies. New Components
These enclosures feature a new input stage which incorporates dynamic bass tracking (DBT) technology allows. This allows the amplifier to output a tense and dynamic bass signal even at very high listening volumes, a signal which is thence reproduced by the subwoofer. Eliminating the voltage booster was made possible thanks to the development of the new dual coil drivers, which inherit all the technological background of the Prima subwoofers but differ with their ultra-low impedance.
This feature ensures a perfect synergy with the high-efficiency low impedance technology, maximising the combination of amplifier, speakers and sealed box. The result is low, powerful and very crisp frequencies.
Controlling The Noise
The controls section is intelligently designed and allows you to create the optimal blend of low frequency emissions within your vehicle cabin. The Butterworth low pass filter is set at 12dB, and the variable cut-off frequency of 50 Hz -200 Hz can be bypassed when used with an audio processor featuring a pre-out output dedicated to the sub. The adjustable bass-boost control between 0 dB and 6 dB is centred upon 45 Hz and allows you to emphasise the response on the lower side of the subsonic spectrum.
Getting The Signal On Board
The high-level input on the multi-pole connector eases the integration with OEM audio systems while the low-level input on RCA is dedicated to the connection with aftermarket sources. The automatic turn on / off function can be configured to be controlled by the source remote signal, by the voltage variation on the high-level input or by the audio signal on both inputs. Phase control of 0° or 180° completes the equipment. The sub smart plug (SSP) terminal block is provided with a single plug and play connector to be able to disconnect the box easily and safely.
Design Features
The rich heritage of this astute and masterful designer, together with its ever-increasing technical acumen; is conducive to these components featuring a vast array of impressive design ideologies and latest technological advancements. Some of these include:
– Integrated high power class D amplifier featuring high efficiency / low impedance technology. This eradicates the need for a switching power supply, for a performance next to ideal.
– Input stage features dynamic bass tracking (DBT) technology that allows the amplifier to produce tense and dynamic bass even at very high listening volumes.
– Butterworth crossovers at 12dB/Oct with variable cutting frequency.
– Phase control (0° – 180°)
– Adjustable bass-boost, 0 dB to 6 dB centred on 45 Hz.
– Defeatable filter to use the sub-dedicated output of an audio processor.
– High-level audio input on multi-pin connector for maximum OEM integration and low level on RCA for aftermarket sources.
– Automatic remote turn-on (ART) function is selectable between remote-in, hi-level and audio signals.
– Box has ultra-low profile and is designed to take full advantage of the performance of the driver within.
– High-impedance driver.
Thes sub smart plug terminal block is provided with a plug and play connector to be able to disconnect the box easily and safely.
– The 2 sides / 2 sounds (2S²) design provides the ability to select between down-firing positioning to increase the low-frequency extension and up-firing installation to obtain more punch and definition.
– Down-firing leveling feet with Velcro inserts included for a secure grip with the carpet, ensuring extreme ease of removal.
– Rounded corners allow easy placement in the trunk and act as a reinforcement to reduce enclosure resonances.
– Exclusive design of the cone, dust-cap and basket geometry to achieve a wide linear excursion, keeping the depth required for assembly to a minimum.
– HRC AP remote control included.
– Sturdy metal grille is included, for total protection of the subwoofer driver.
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