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Spirit Sub 12
Spirit SUB 12 – Breathtaking, Accurate and Articulate Bass
Spirit SUB 12 was constructed as a powerful yet precise subwoofer with an excellent finish. Due to its very Rigid and lightweight 12" membrane, it is capable to perform any impulse with maximum fidelity. The 400W amplifier ensures enough power at any time and is very efficient due to the special Class-D technology. But Spirit SUB 12 is not only a great choice for home cinemas. It also can be introduced seamlessly into a stereo setup, due to the articulate and precise bass capabilities. Obviously, the Spirit of the Spirit SUB 12 means it can also transform into a very Capable AV Subwoofer, with an impressive Dynamic Range and room shaking Deep Bass.
Since the subwoofer offers several room tuning possibilities, it can always be adjusted to the room acoustics or personal preferences.
The 12" long stroke driver which is used for Spirit SUB 12 originates from the XTZ development center and is optimized for a perfect stiffness-weight ratio. Due to the strong magnet system and the 400W amplifier, the subwoofer can perform large excursions with highest accuracy. Spirit SUB 12 achieves an even frequency response over its whole frequency range. The suspension spider is ventilated to avoid any compression effects at high volumes.
On the Rear Panel of the subwoofer there is a switch located which provides three different equalizer settings to adjust the sound of the Subwoofer. It is possible to increase the amount of “Thump in the Chest” type Bass, or to compensate for a placement near the wall by reducing the deep bass. This will be affected by the boundary effect of your listening room, seating position and personal preference. Furthermore Spirit SUB 12 is equipped with two unequal length bass reflex ports, which can be closed with the attached foam bungs, to further tailor the response characteristics of the subwoofer.
The Very Solidly Engineered and substantial sized cabinet of the Spirit SUB 12 is equipped with a 25mm thick front baffle made from MDF and at least 18mm thick side walls, which contribute strongly to the high weight of the Spirit SUB 12. Together with the additional internal bracing and huge amount of internal damping material, this provides a very rigid and inert cabinet construction and the resonances are reduced to an absolute minimum. Thus the drive unit can perform under ideal circumstances and play with highest precision, due to the low reverberation and rigidity of the cabinet.
Due to the available matt black and matte white high quality, perfectly finished multilayer paint, the Spirit SUB 12 integrates easily in every living area.
Despite its size the subwoofer, it appears to be a perfectly processed piece of furniture.
The terminal on the Rear Panel offers connections via mono or stereo RCA cable. It also features a high-level input, which is helpful when the amplifier does not have a specific subwoofer output (usually in Stereo Systems). Furthermore it is possible to configure volume, phase and crossover frequency on the terminal. The adjustment knob for the choice of equalizer setting is also located here.
The detachable grille protects the driver from dust and also from possible damage. To ensure perfect sound transmission, the grille is Acoustically Transparent and does not have any influence on the sound of the speaker.
For the white subwoofer, a white cover is offered while the black version comes with a black cover.
The cone of the Spirit SUB 12 drive unit consists of a long fiber pulp mixture, which ensures an optimum stiffness-weight ratio. This very special material has been developed and improved over the years to offer perfect properties to reproduce any impulse as authentic as possible. Even at long excursion, this membrane material suppresses partial oscillations effectively, due to its exceptional damping. The complex magnet system provides a linear stroke, which leads to nearly perfect piston movement over its full useable range, enabling the Spirit subwoofer to provide an accurate, linear, deep bass response, with high SPL capability and great Dynamic Performance.
Since the resonant frequency of the driver is very high, Spirit SUB 12 remains composed over its whole frequency range. Even the rubber surround has been optimized on the driver to minimize resonances and ensure its long stroke abilities. A high temperature voice coil and optimized drive structure ensures very high power handling. All these features enable the Spirit SUB 12 to perform extremely accurately and with composure, but still with lots of power in reserve, for maximum music and home cinema pleasure.
To perform strongest impulses accurately, Spirit SUB 12 features a high performance amplifier in Class-D technology, which originates from our famous SUB 17 series. This amplifier is very efficient which leads to a low energy consumption. The continuous power of 200W and peak power of 400W ensure perfect control of the woofer driver. Due to a specially developed pcb layout, the amplifier provides nearly perfect clipping characteristics. This leads to a very high headroom and maximum composure at all times, even with complex music pieces, or Bass Effects in Movies.
The heat removal takes place on the terminal plate on the rear amp plate, whereby no external cooling fins are necessary.
To perfectly adjust the Spirit SUB 12 to the prevailing room acoustics and the personal taste, the subwoofer features several room tuning possibilities. Beside the equalizer which can be chosen on the Rear Panel, the plugs which are attached can be used to close the bass reflex ports. Thus the basic characteristics of the woofer can be optimized to your personal preference. These tuning possibilities are described in detail in the following paragraph:
Gives an extended frequency response for the deepest bass, however care should be taken to ensure the lower frequencies are not over represented and “muddy”, depending on the room geometrics, placement of the sub and listening position (reverberation).
Is a direct countermeasure to the “muddy” bass problem of over represented low bass/room gain. By lowering the bass extension, the bass will be more controlled.
Stores more energy a bit higher in the frequency, resulting in a punchier, fast bass.
Port Tuning - High frequency ( 1 )
With no plugs in the ports the subwoofer will provide a “quick” and “punchy” bass character. It will produce increased output higher up in the frequency range.
Port Tuning -Mid frequency ( 2 )
If the left port is blocked and the right port is open, this will provide bass with an increased output in the mid-region.
Port Tuning - Low frequency ( 3 )
If the right port is blocked and the left port is open, this will provide deep bass with increased output in the lower frequencies.
Port Closed ( 4 )
With both ports blocked the sealed box will provide a dry and controlled bass character.
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