Nexo Geo S Series
Nexo Geo S system includes the following products:
- Nexo Geo S805 5° Tangent Array Module. 8” (20cm) Neodymium Hi-flux 16 Ohm LF Driver and 1” Throat Neodymium HF Driver on a 5° Hyperboloid Reflective Wavesource. Your main building block for curved vertical tangent arrays; integral precision array assembly system.
- Nexo Geo S830 30° Tangent Array Module. 8” (20cm) Neodymium Hi-flux 16 Ohm LF Driver and 1” Throat Neodymium HF Driver on a 30° Hyperboloid Reflective Wavesource. The building block for horizontal tangent arrays, and the tangent down-fill element for curved vertical arrays; integral precision array assembly system.
- Nexo CD12 HyperCardoid Subbass. Two 12” (30cm) Long Excursion Neodymium 6 Ohm Drivers, each controlled by one DSP channel, creating a 120° x 120° hypercardioid pattern. Can be flown or ground-stacked.
- Nexo NX242 Digital TDcontroller. Provides comprehensive control of the above GEO S8 Series loudspeakers in multiple configurations. For a complete description of this unit, please refer to the NX242 User Manual. Please remember that the NX242 Digital TDcontroller’s DSP algorithms and parameters are software and are updated regularly. Please consult the NEXO web site for the latest software releases.
- Nexo GEO Flying System. Coupled with the integral array assembly system on GEO S8 Series cabinets, provides safe, flexible and simple means of flying GEO Tangent Arrays. NOTE: GEO Tangent Arrays control the dispersion of acoustic energy with a high degree of precision. Inclinometers and laser aiming devices are essential to ensure proper audience coverage when hanging or flying a GEO Tangent Array.
- Nexo NS-1 Design Software. MATLAB based Windows software simplifies the design and implementation of vertical tangent GEO arrays.
Geo S systems ship with Configurable Directivity Device Flanges, providing system designers with an unprecedented degree of control over wavesource behaviour. CDD flanges can be easily introduced into the waveguides – for instance on the bottom two cabinets of curved vertical arrays to fill in coverage gaps in the front rows, or in all cabinets where 120 degrees of horizontal coverage is preferred to 80 degrees.
In horizontal arrays, CDD flanges can be used to widen vertical coverage from 80 degrees to 120 degrees. In line arrays, the physical diameter of cone drivers would appear to make it impossible to achieve interference-free, close coupling of wavesources at the frequencies necessary to crossover with HF drivers. NEXO’s revolutionary Directivity Phase Device causes an 8 inch driver, for instance, to behave as twin 4 inch drivers, with two acoustical centres spaced 5 inches apart, cleverly extending the upper frequency limit for line source coupling between adjacent woofers.
Geo rigging systems deliver control over angular splay to an increment of 0.01 degree, making it possible to configure line arrays of exceptional accuracy and coherence.
The Sub-Bass Solution: NEXO looks towards microphone design to achieve directional control of sub-bass frequencies, applying the interference between two sources of identical amplitude to radiate a cardioid polar pattern with off-axis control. The NX TDcontroller platform maximises subbass pattern control for the CD12 cabinet.
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