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Nexo Geo T4805
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Nexo Geo T4805

Array Speaker Cabinet from Nexo .

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Nexo Geo T4805Published on 05/07/07 at 13:56
(This content has been automatically translated from French)
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Tech. sheet

  • Manufacturer: Nexo
  • Model: Geo T4805
  • Category: Array Speaker Cabinets
  • Added in our database on: 01/21/2006

Components HF: 1 x 3" voice coil, 1.4” throat neodymium 16Ω driver on a Hyperboloid Reflective Wavesource.
LF front section: 2 x 8” (20cm) neodymium hi-flux 16Ω drivers in series.
LF back section: 2 x 8” (20cm) neodymium hi-flux 16Ω drivers in series.
Height x Width x Depth Enclosure: 250 x 750 x 627mm (9 7/8” x 29 9/16” x 24 11/16”)
Array Module: 286 x 903 x 627mm (11 1/4” x 35 1/2” x 24 11/16”)
Shape 5° Trapezoid.
Weight 52kg(114.6lbs) net, including flying system.
Connectors 1x AMPHENOL 6-pole EP6 socket In, 1 x AMPHENOL AP6 6 pole cable + connector Through.
Construction Baltic birch ply finish with structured black coating for the main structure.
Metal box for the rear section with dark grey coating.
Front Finish Injected polyurethane flange with metallic grey coating.
Flying Points Integral flying system. Intercabinet angle adjustments = 0.125° to 5° (logarithmic steps).
SYSTEM SPECIFICATIONS GEO T4805 WITH NX242 TDCONTROLLER
Frequency Response [a] 67Hz – 19kHz ± 3dB
Usable Range @-6dB [a] 60Hz – 20kHz
Sensitivity 1W @ 1m [b] 109dB SPL nominal – 107dB SPL wideband
Peak SPL @ 1m [b] Configuration dependent [d].
Dispersion [c] Coupling plane: not usable alone. Configuration dependent [d]. Non-coupling plane: 90°.
Crossover Frequencies 250Hz & 1.3kHz active
Nominal Impedance LF rear: 32Ω - MF/LF front: 32Ω - HF: 16Ω
Recommended Amplifiers HF: 3000Watts into ~3Ω/6 cabinets.
MF/LF (front section): 6000Watts bridged mono into ~6Ω/6 cabinets.
LF (rear section): 6000Watts bridged mono into ~6Ω/6 cabinets.
SYSTEM OPERATION
Electronic Controller The NX242 Digital TDcontroller presets are precisely matched to the GEO T Series cabinets
and include sophisticated protection systems. Using GEO T Series cabinets without
properly-connected NX242 Digital TDcontroller will result in poor sound quality and can
damage components.
Dispersion Configuration The CDD is configured for 90° dispersion in the non-coupling plane.
Array Design Via GEOSoft compiled Matlab application or EASE/CATT .dII (latest version available at
www.nexo-sa.com).
Subbass CD18 Supercardiod SubBass (requires two NX242 outputs and two amplifier channels).
Speaker Cables LF rear: 1(-)/2(+) - LF/MF front: 3(-)/4(+) - HF: 5(-)/6(+).
Rigging System Please refer to the GEO user manual before any operation.

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Other categories in PA Speaker Cabinets

Other names: geo t4805, geot4805, geo t 4805

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