Unity Audio The Avalanche - Aktiver Subwoofer - Stück
12" Active Sub-WooferThe Avalanche active sub-woofer is primarily designed to compliment our existing Rock & Boulder models, seamlessly transforming them into 3 way, and 4 way systems respectively. It can also be used with other manufacturers monitors and is shipping now.
Like the Rock & Boulder, The Avalanche is a sealed cabinet maintaining fast detailed transients and accurate bass reproduction. Internally the cabinet is split into two chambers with a dividing bracing partition and restrictive membrane feeding the second chamber. The cabinet is extremely robust built from 24mm ply, with a laminated baffle some 42mm thick. Internal damping is achieved with a dense rubber lead substitute attached to the walls, thereby reducing cabinet resonance.
The Avalanche has a 12" downward firing woofer keeping a low centre of gravity thus reducing vibration and movement. Our Aperiodic Vent enables extended low frequency (down to 22 Hz) as if the relatively small enclosure has a larger volume.
Amplification is by two highly respected and proven Rock/Boulder low frequency amplifiers running in parallel giving a total power of 150 RWNBSW*. These are mounted with the output transformers onto a heat sink isolated via rubber anti-vibration mounts. Burr Brown ICs are used throughout the custom input crossover, with the Burr Brown OPA627 op amp specified to maintain signal integrity and the highest audio quality possible in critical audio paths.
The crossover Low pass utilises a 4th order filter, while the High pass utilises a 2nd order filter.
For teaming up with the Rock or Boulder, two factory presets are provided for each model, the 'R60' is for The Rock, setting the crossover at 60Hz, while the Boulder 'B50' preset sets it at 50Hz. If situations like acoustics, positioning or personal preference dictates something other than the presets provided, then both Low & High pass filters can be set independently in Vari Mode. Both High & Low ranges from 40Hz â?? 120Hz. This will, if desired not only allow different crossover frequencies, but also controlled and independent over lapping to create the perfect cross over.
Other controls include input gain, balanced XLR I/O and a 180 degree phase reverse switch. Included is a very useful foot-switch bypass pedal as standard. This allows the Avalanche to be bypassed and transmits the full frequency range to the satellites seamlessly without any additional electronic circuitry in the audio path.
The Avalanche sits on four large heavy duty rubber feet to reduce vibration, and isolate it from the floor.
Avalanche - Active 12" SUB-woofer
- Active Monitor
- Downward firing 12" Woofer
- Sealed Aperiodic Vent Cabinet Design
- 2x Boulder LF Amplifiers by Esoteric Audio Research
- Active crossover with Rock & Boulder pre- sets, variable Low & High Pass Filters. Gain & Phase invert controls. *2 x balanced XLR inputs, 2 x XLR outputs, Remote bypass XLR.
- Remote XLR Bypass Foot-Switch included.
- 22Hz-120Hz Frequency Response
- 430 mm x 430mm x 540 mm high with feet
- 37.5Kg box
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