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4ndf34%20004ndf34%20024ndf34%2001
Continuous Power Handling
Voice Coil Diameter
Magnet Material
Unique to B&C, a complete lineup of high sensitivity and power handling 4” frame transducers. These high technology products are made with our famously critical quality control, allowing new compact loudspeaker designs with appropriately scaled performance.  For midrange applications our 4NDF34 offers 92dB sensitivity and 110 - 8000Hz frequency response. 

OEM Quantities only...
 
 
 

Features

  • 200 W continuous program power capacity
  • 33 mm (1.3 in) copper voice coil
  • 110 - 8000 Hz response
  • 92 dB sensitivity
  • Neodymium magnet allows a very light yet powerful motor assembly

Specifications

  • Nominal Diameter100 mm (4.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.4 Ω
  • Nominal Power Handling1100 W
  • Continuous Power Handling2200 W
  • Sensitivity392.0 dB
  • Frequency Range110 - 8000 Hz
  • Voice Coil Diameter33 mm (1.3 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth11.0 mm (0.43 in)
  • Magnetic Gap Depth7.0 mm (0.28 in)
  • Flux Density1.25 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Inside Slug
  • SpiderSingle
  • Pole DesignT-Pole
  • Woofer Cone TreatmentTWP Waterproof Both Sides

Parameters4

  • Resonance Frequency110 Hz
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  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}0.28
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}4.2
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}0.27
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}1.6 dm3 (0.06 ft3)
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}57.0 cm2 (8.84 in2)
  • η₀0.7 %
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}3.8 mm
  • Xvar5.7 mm
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}6.1 g
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}9.0 Txm
  • {:technologies=>"Technologies", :technology=>"Technology", :active=>"Active", :active_radiating_factor=>"Active Radiating Factor", :air_volume_occupied_by_driver=>"Air Volume Occupied by Driver", :application=>"Application", :archive=>"Archive", :baffle_cutout_diameter=>"Baffle Cutout Diameter", :baffle_cutout_dimension=>"Baffle Cutout Dimension", :bolt_circle_diameter=>"Bolt Circle Diameter", :cone_shape=>"Cone Shape", :continuous_power_handling=>"Continuous Power Handling", :cross_filter_type=>"Filter Type", :cross_nominal_impedance=>"Nominal Impedance", :cross_overall_dimensions=>"Overall Dimensions", :cross_overall_dimensions_in=>"Overall Dimensions (in)", :cross_overall_dimensions_mm=>"Overall Dimensions (mm)", :cross_slope=>"Slope", :cross_slope_high=>"High-pass Slope", :cross_slope_low=>"Low-pass Slope", :cross_weight=>"Weight", :cross_winding_material=>"Model", :current_alternatives=>"Alternative/Current Model", :cutoff_frequency=>"Cutoff Frequency", :depth=>"Depth", :design=>"Design", :diaphragm_material=>"Diaphragm Material", :dimensions=>"Dimensions", :dispersion_angle=>"Dispersion Angle", :driver_diameter=>"Driver Diameter", :diameter=>"Diameter", :ebp=>"EBP", :flange_and_gasket_thickness=>"Flange and Gasket Thickness", :flux_density=>"Flux Density", :former_material=>"Former Material", :frequency_range=>"Frequency Range", :frequency_range_max=>"Maximum Frequency Range", :frequency_range_min=>"Minimum Frequency Range", :fs=>"Resonance Frequency", :hf_continuous_power_handling=>"HF Continuous Power Handling", :hf_flux_density=>"HF Flux Density", :hf_nominal_power_handling=>"HF Nominal Power Handling", :hf_sensitivity=>"HF Sensitivity", :hf_voice_coil_diameter=>"HF Voice Coil Diameter", :hf_winding_material=>"HF Winding Material", :horizontal_coverage=>"Horizontal Coverage", :inches=>"Inches", :inductance=>"Inductance", :key_features=>"Features", :lf_continuous_power_handling=>"LF Continuous Power Handling", :lf_flux_density=>"LF Flux Density", :lf_nominal_power_handling=>"LF Nominal Power Handling", :lf_sensitivity=>"LF Sensitivity", :lf_voice_coil_diameter=>"LF Voice Coil Diameter", :lf_winding_material=>"LF Winding Material", :magnet_material=>"Magnet Material", :magnetic_gap_depth=>"Magnetic Gap Depth", :material=>"Material", :minimum_impedance=>"Minimum Impedance", :minimum_impedance_hf=>"Minimum Impedance HF", :minimum_impedance_lf=>"Minimum Impedance LF", :mounting_and_shipping_info_notes=>"Mounting and Shipping", :name=>"Name", :neodymium=>"Neodymium", :net_weight=>"Net Weight", :new_product=>"New product", :no_longer_production=>"No longer in production", :nominal_coverage_horizontal=>"Nominal Coverage Horizontal", :nominal_coverage_vertical=>"Nominal Coverage Vertical", :nominal_diameter=>"Nominal Diameter", :nominal_impedance=>"Nominal Impedance", :nominal_power_handling=>"Nominal Power Handling", :notes=>"Notes", :overall_diameter=>"Overall Diameter", :pole_design=>"Pole Design", :recommended_crossover=>"Recommended Crossover", :recommended_enclosure=>"Recommended Enclosure", :recommended_tuning=>"Recommended Tuning", :replaced_by=>"Replaced by", :sensitivity=>"Sensitivity", :service_kit_lf=>"Service Kit LF", :shipping_box=>"Shipping Box", :shipping_units=>"Shipping Units", :shipping_weight=>"Shipping Weight", :slipped_winding=>"Slipped Winding", :softened_spider=>"Softened Spider", :spider=>"Spider", :spider_glueing=>"Spider Glueing", :surround_shape=>"Surround Shape", :throat_diameter=>"Throat Diameter", :torn_braids=>"Torn Braids", :torn_spider=>"Torn Spider", :torn_surround=>"Torn Surround", :voice_coil_diameter=>"Voice Coil Diameter", :voice_coil_glueing=>"Voice Coil Glueing", :waveguide_baffle_cutout=>"Exit Size", :waveguide_material=>"Waveguide Material", :winding_depth=>"Winding Depth", :winding_insulation=>"Winding Insulation", :winding_material=>"Winding Material", :woofer_cone_treatment=>"Woofer Cone Treatment", :xvar=>"Xvar", :impedance=>"impedance", :minimum_frequency_response=>"Minimum Frequency Response", :maximum_frequency_response=>"Maximum Frequency Response", :magnet_and_material_type=>"Magnet and Material Type", :frequency_response=>"Frequency Response", :"exit size"=>"Exit Size", :throat_entry_dimensions=>"Throat Entry Dimensions"}0.23 mH
  • EBP392 Hz

Mounting and Shipping Info

  • Overall Diameter127 mm (5.0 in)
  • Bolt Circle Diameter115 mm (4.53 in)
  • Baffle Cutout Diameter103.0 mm (4.06 in)
  • Depth66 mm (2.6 in)
  • Flange and Gasket Thickness3 mm (0.12 in)
  • Air Volume Occupied by Driver0.25 dm3 (0.01 ft3)
  • Net Weight0.57 kg (1.26 lb)
  • Shipping Units24
  • Shipping Weight13.8 kg (30.42 lb)
  • Shipping Box425x335x250 mm (16.73x13.19x9.84 in)

Service Kit

  • RCK04NDF34
  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated nominal impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
  • Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.
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