CD18 CONTROLLED DIRECTIVITY SUBBASS
Contents
1. amp Through Construction Baltic birch ply finish with structured black coating Dark grey carpet finish also available Flying points Integral flying system SYSTEM SPECIFICATIONS CD18 with NX241 TDController Frequency Response 3dB a 32 Hz 80 Hz Usable Range 6dB a 29 Hz 180 Hz Sensitivity IW 1m b 105 dB SPL Nominal Peak SPL 1m b 145 dB Peak Dispersion c Cardioid or supercardioid pattern over the entire useable bandwidth depending on the NX241 Digital TDController set up two channels of the NX241 are used for the process Directivity Index c Q 4 3 DI 6 3 dB and Q 5 3 DI 7 2 dB over the entire useable bandwidth for respectively cardioid and supercardioid mode Crossover Frequency 80 Hz active through NX241 Digital TDController Nominal Impedance 2x 8 Ohms Recommended Amplifiers 2 amplifier channels are required for cardioid operation each rated at 1500 to 3000 Watts into 4 ohms per channel Up to 2 complete CD18s per channel may be connected to a two channels amplifier SYSTEM OPERATION Electronic Controller The NX241 Digital TDController presets are precisely matched to the CD18 and include sophisticated protection systems Using CD18 sub bass without a properly connected NX241 Digital TDController will result in poor sound quality and can damage components Speaker Cables The front loudspeaker of the CD18 is wired 2 amp 2 while the rear loudspeaker is wired 1 amp 1 The CD18 must use sepa2. 18 Controlled Directivity Subbass CD18 CONTROLLED DIRECTIVITY SUBBASS PRODUCT FEATURES Unique directional subbass with cardioid or supercardioid pattern keeps subbass energy away from open microphones 120 x 120 dispersion usable output from 29 Hz to 180 Hz Dual ported 18 inch woofers fire in opposite directions and are driven in reverse polarity Requires NX241 Digital TDController and two amplifier channels each woofer is processed individually Internally braced Baltic Birch cabinet mini mizes in band resonances Available in structured black coating or dark grey carpet covering Integrated flying system for use with curved vertical tangent arrays of GEO T Series mod ules Cabinets designed for stable gound stacking GEO T SERIES APPLICATIONS Mobile or installed sound reinforcement for arenas clubs A V theater and themed attractions High output music applications for large pub lic spaces transport hubs outdoor venues theme parks etc CD18 CONTROLLED DIRECTIVITY SUBBBASS CD18 Cardioid Mode normalisation max COVERAGE ANGLE Degree MM 24 lt 18 m 18 lt 12 12 lt 6 L 6 lt 3 m 3 lt 1 5 m 1 5 lt 0 GH 0 lt 1 5 MM 1 5 lt 3 EE 3 lt 6 T 20 25 31 5 40 50 63 80 100 125 Horizontal dark and vertical light coverage angles between freq Hz 6 dB points cardioid mode CD18 Supercardioid Mode normalisa
3. 482 6110 E mail info nexo cc NEXO Far East Pte Ltd No 10 Ubi Crescent 02 35 36 Ubi Techpark Lobby C Singapore 408564 Tel 65 742 5660 Fax 65 742 8050 E mail info nexo sg com g INNOVATE CD12 data sheet 2 27 03 2 48 PM 400 mm 15 3 4 flexible GEO S Series Tangent Array Modules 805 Vertical 830 Horizontal Vertical gt CD12 Hypercardioid Subbass NX241 Digital TDController g INNOVATE coherent Page 1 D efficient compact The compact CD12 uses an innovative approach to the control of long wavelength low frequency acoustic energy Sophisticated signal processing algorithms individually applied to each of the dual ported 12 inch woofers produce substantial forward gain and more than 12 dB attenuation at the rear The CD12 puts subbass energy where it is needed and keeps it away from open microphones and reverberant surfaces The GEO S Series is the result of a three year intensive R amp D project that has produced three fundamental patent applications in loudspeaker technology The performance advantages produced by GEO innovations are easily measurable and clearly audible With two full range tangent array modules and a hypercardioid subbass the S Series offers total flexibility to design and deploy horizontal or vertical tangent arrays with coherent output From high definition musical reproduction to high output paging systems GEO Technology delivers optimal
4. flexible 750mm 29 53 GEO T Series Tangent Array Modules T4805 Vertical T2820 Horizontal Vertical gt CD18 Hypercardioid Subbass NX241 Digital TDController g INNOVATE coherent efficient scalable s er r PRENERA a a eee ven eye o r f an n gp p a p a a ap f The CD18 uses an innovative approach to the control of long wavelength low frequency acoustic energy Sophisticated sig nal processing algorithms individually applied to each of the dual ported 18 inch woofers produce substantial forward gain and more than 12 dB attenuation at the rear The CD18 puts subbass energy where it is needed and keeps it away from open microphones and reverberant surfaces The GEO T amp S Series are the result of a three year intensive R amp D project that has produced three fundamental patent applications in loudspeaker technology The performance advantages produced by GEO innovations are easily measura ble and clearly audible With two full range tangent array mod ules and a hypercardioid subbass the T Series offers total flex ibility to design and deploy horizontal or vertical tangent arrays with coherent output From high definition musical reproduc tion to high output paging systems GEO Technology delivers optimal performance in venues of all shapes and sizes D CEE a r O E aa GEO Tangent Array Modules can be used in horizontal or vertical arrays with or without the CD
5. he NX241 can be used in stereo With the CD12 Hypercardiod Sub each Sub channel requires two NX241 outputs and the NX241 will operate in mono Speaker Cables The front loudspeaker of the CD12 is wired 2 amp 2 while the rear loudspeaker is wired 1 amp 1 The CD12 must use separate cables to the GEO 805 S830 Rigging System Please refer to the GEO User Manual before any operation SHIPPING amp ORDERING Packaging CD12s are packaged Individually Minimum configuration for GEO Vertical Tangent Arrays is 5x S805 amp 1x 830 4x 805 for paging applications only CD12 s are optional but a ratio of 1 CD12 per 3 full range GEO modules is required for proper subbass output Shipping Weight amp Volume ODSA 35 Ke 93 45bs 029 comm LOZ cul it As part of a policy of continual improvement NEXO reserves the right to change specifications without notice a Response Curves and Data Anechoic Far Field above 200 Hz Half space Anechoic below 200 Hz Usable Range Data Frequency Response Capability with TD crossover slopes removed b Sensitivity amp Peak SPL will depend on spectral distribution Measured with band limited Pink Noise Refers to the specified 3 dB range Data are for Speaker Processor recommended amplifier combinations c Directivity Curves and Data 1 3 octave smoothed frequency response normalized to On Axis response Data obtained by computer processing of off axis response curves d Please refer t
6. n are all designed to deliver Sonic Innovation That Works p NEXO S A 154 all e des Erables ZAC de PARIS NORD II B P 50107 F 95950 Roissy CDG CEDEX France T l 33 1 48 63 19 14 Fax 33 1 48 63 24 61 E mail info nexo fr Nexo USA Inc 2165 Francisco Blvd Suite E2 San Rafael CA 94901 Phone 1 415 482 6600 Fax 1 415 482 6110 E mail info nexo cc NEXO Far East Pte Ltd No 10 Ubi Crescent 02 35 36 Ubi Techpark Lobby C Singapore 408564 Tel 65 742 5660 Fax 65 742 8050 E mail info nexo sg com NEX INNOVATE
7. nonmax COVERAGE ANGLE Degree 180 180 120 120 90 60 30 30 60 60 90 120 20 100 125 be 25 31 5 40 50 63 100 125 Horizontal dark and vertical light coverage angles between freq Hz 6 dB points supercardioid mode ON AXIS RESPONSE dB Q amp DI 10 10 10 0 4 5 10 20 0 1 20 100 125 20 100 125 dB vs frequency on axis Actual results depend on NX241 settings Directivity Index left scale dB and Q right scale in supercardioid light and cardioid dark modes IMPEDANCE Ohms 64 32 16 8 y 4 20 100 125 Impedance in Ohms vs frequency All measurements made with dedicated NX program Measurements conditions far field half space below 400Hz anechoic above 400Hz Directivity Index and factor computer synthesized from coverage Coverage 1 3 octave band synthesized from FFT measurements Horizontal dark and vertical light polar plots cardioid mode 3 AB division Horizontal dark and vertical light polars supercardioid mode 3 AB division INNOVATE flexible coherent efficient scalable Components 2 x 18 46cm long excursion neodymium 8 Ohm drivers Height x Width x Depth 750 x 1200 x 750 mm 29 1 2 x 47 1 4 x 29 1 2 Shape Rectangular Weight Net 116 kg 256 Ibs Connectors 2 x NLAMP SPEAKON 4 pole In
8. o the GEO User Manual approved product 754 mm 29 64 400 mm 15 74 LIMITED WARRANTY Nexo loudspeakers and electronics are covered against defects in workmanship or materials for a period of two 2 years from the original date of purchase At the option of Nexo the defective item will be repaired replaced with no charge for materials labor The item is to be adequately packaged and dispatched pre paid to a Nexo authorized distributor service center Unauthorized repair shall void the warranty This Nexo warranty does not cover cosmetics or finish and does not apply to any items which in Nexo s opinion have failed due to user abuse accidents modifications or any type of misuse CD12 CONTROLLED DIRECTIVITY SUBBASS NEXO is a world leader in the design and manufacture of loudspeaker systems for sound reinforcement Since 1979 we have pursued practical solutions by addressing problems at fundamental levels Each new design is generated using proprietary computer simulation software Extensive modeling and simulation of critical parameters enables us to translate conceptual breakthroughs into significant cost and performance gains Nexo s comprehensive line includes the breakthrough GEO Series based on fundamental wavesource patents the compact versatile PS Series the world standard Alpha System and the Alpha e Series Loudspeakers analogue and digital control electronics and amplificatio
9. performance in venues of all shapes and sizes CD12 CONTROLLED DIRECTIVITY SUBBASS PRODUCT FEATURES Unique directional subbass with hypercardioid pattern keeps subbass energy away from open microphones 120 x 120 dispersion usable output from 39 Hz to 250 Hz Dual ported 12 inch woofers fire in opposite directions and are wired in reverse polarity Requires NX241 Digital TDController and two amplifier channels each woofer is processed individually Internally braced Baltic Birch cabinet minimizes in band resonances Available in structured black coating or dark grey carpet covering Integrated flying system for use with C J curved vertical tangent arrays of GEO S Series modules Cabinets designed for stable ground stacking GEO S SERIES APPLICATIONS Mobile or installed sound reinforcement for arenas clubs A V theatre and themed attractions High output paging applications for large public spaces transport hubs outdoor venues theme parks etc GEO Tangent Array Modules can be used in horizontal or vertical arrays with or without the CD12 Controlled Directivity Subbass CD12 data sheet 2 27 03 2 48 PM Page 2 D flexible coherent efficient compact Components 2x 12 30cm Long Excursion Neodymium 6 Ohm Driver Height x Width x Depth 400 x 600 x 754 mm 15 3 4 x 23 5 8 x 29 11 16 Shape Rectangular Weight Net 36 kg 79 Ibs Connectors 2x NL4MP SPEAKON 4
10. pole In amp Through Construction Baltic Birch Ply finish with structured black coating Dark grey carpet finish also available Flying points Integral flying system SYSTEM SPECIFICATIONS CD12 with NX241 TDController Frequency Response a 42 Hz 200 Hz 3 dB Usable Range 6dB a 39 Hz 250 Hz Sensitivity W 1m b 102 dB SPL Nominal Peak SPL 1m b 131 to 134 dB Peak 500 to 1200W RMS Amp Dispersion c Hypercardiod pattern 120 x 120 over the entire useable bandwidth Directivity Control is achieved throughDSP algorithms in the NX241 Digital TDController two channels of the NX241 are used for the process Directivity Index c Q 3 773 DI 5 7 dB over the entire useable bandwidth Crossover Frequency 150 Hz Active through NX241 Digital TDController Nominal Impedance 2x 6 Ohms Recommended Amplifiers 2 amplifier channels are required for Hypercardiod operation each rated at 1500 to 3000 Watts into 4 Ohmsper channel Up to 2 complete CD12s per channel may be connected to a two channel amplifier SYSTEM OPERATION Electronic Controller The NX241 Digital TDController presets are precisely matched to the GEO S8 Series cabinets and include sophisticated protection systems Using GEO S8 Series cabinets without a properly connected NX241 Digital TDController will result in poor sound quality and can damage components Subbass The GEO 805 amp 830 can be used without the optional CD12 Hypercardiod Sub In this case t
11. rate cables to the main system Rigging System d Please refer to the user manual before any operation SHIPPING amp ORDERING Packaging CD18s are packaged individually Order as CD18 C finished in grey carpeting or CD18 P finished in black structured coating Shipping Weight amp Volume Ix CD18 131 5 kg 263 Ibs 98 cu m 34 4 cu ft As part of a policy of continual improvement NEXO reserves the right to change specifications without notice a Response curves and data anechoic far field above 400 Hz half space anechoic below 400 Hz Usable range data frequency response capability with TD crossover slopes removed b Sensitivity amp peak SPL will depend on spectral distribution Measured with band limited pink noise Refers to the specified 3 dB range Data are for speaker processor recommended amplifier combinations c Directivity curves and data 1 3 octave smoothed frequency response normalized to on axis response Data obtained by computer processing of off axis response curves d Please refer to the user manual C approved product 750 mm MAN 29 53 me 1200 mm A SN 47 24 750 mm 29 53 an o LIMITED WARRANTY Nexo loudspeakers and electronics are covered against defects in workmanship or materials for a period of two 2 years from the original date of purchase At the option of Nexo the defective item will be repaired replaced with no charge for materials labor The item i
12. s to be adequately packaged and dispatched pre paid to a Nexo authorized distributor service center Unauthorized repair shall void the warranty This Nexo warranty does not cover cosmetics or finish and does not apply to any items which in Nexo s opinion have failed due to user abuse accidents modifications or any type of misuse Ce er Se a ee CD18 CONTROLLED DIRECTIVITY SUBBBASS NEXO is a world leader in the design and manufacture of loudspeaker sys tems for sound reinforcement Since 1979 we have pursued practical solu tions by addressing problems at fun damental levels Each new design is generated using proprietary computer simulation software Extensive mod eling and simulation of critical parameters enables us to translate conceptual breakthroughs into signif icant cost and performance gains Nexo s comprehensive line includes the breakthrough GEO Series based on fundamental wavesource patents the compact versatile PS Series the world standard Alpha System and the Alpha Series Loudspeakers ana logue and digital control electronics and amplification are all designed to deliver Sonic Innovation That Works NEXO S A 154 all e des Erables ZAC de PARIS NORD II B P 50107 F 95950 Roissy CDG CEDEX France T l 33 1 48 63 19 14 Fax 33 1 48 63 24 61 E mail info nexo fr Nexo USA Inc 2165 Francisco Blvd Suite E2 San Rafael CA 94901 Phone 1 415 482 6600 Fax 1 415
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