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4" | 41FR
Ferrite Full-Range
Ferrite Full-Range
Ferrite Full-Range Ferrite Full-Range
Key features:
  • Very good performance at affordable price
  • Excellent HF extension
  • Array applications, 2-way systems, can be used without HF unit
Design notes:
41FR is ferrite based mid-woofer, developed for applications where small size mid-woofer is required. This version was developed with extended HF response and in some cases could be used as full-range driver. Yet, this driver delivers very good performance low frequency range as well. Our engineers have chosen lightweight, yet strong, paper cone with rubber surround. Cone optimized shape brings remarkable strength of the piston and greatly improves harmonic distortion artifacts. Overall this model delivers very good performance and is well balanced between performance - cost.
Specifications:
  • General specs
    Nominal Diameter: 4 in.
    Rated Impedance: 8 Ohm
    Power handling
    AES Power: 20 Watts
    Program Power: 40 Watts
    Voice Coil
    Diameter: 1 in.
    Winding wire: CCAW
    Former: kapton
    Winding height: 7.2 mm
  • T/S Parameters
    Resonant frequency: 134 Hz
    Re: 5.6 ohm
    Qes: 0.81
    Qms: 10.6
    Qts: 0.75
    Vas: 1.3 liters
    Sd: 50.3 cm2
    Mms: 3.8 grams
    Bl: 4.78
    Le: 0.09 mH
    Sensitivity: 89.44 dB
  • Design details
    Surround Material: Fabric
    Cone material: Paper
    Spider: Nomex
    Plate thickness: 5 mm
    Peak to peak linear cone Displacement 7 mm
    Overall diameter: 105.5 mm
    Bolt circle diameter: 106 mm
    Baffle cutout dia.: 93.6 mm
    Number of mounting holes: 4
    Depth (flange to rear): 55.9 mm
    Net weight: 0.78 kg
  • Ordering codes:
    8 ohm version: 41FRX8-360B
    Recone kits:
    Download:
    Spec download
    2D drawing
    3D model
Frequency response & lmpedance
2D drawing
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REDCATT designs and manufactures world class loudspeakers. Additionally to the loudspeakers sold under REDCATT brand name, we also design and manufacture OEM / ODM loudspeakers.
Copyright © 2012-2022 REDCATT LTD 粤ICP备2021039803号-1
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redcatt

Ferrite Full-Range
Ferrite Full-Range
Ferrite Full-Range
Ferrite Full-Range Ferrite Full-Range
4" | 41FR
Key features:
  • Very good performance at affordable price
  • Excellent HF extension
  • Array applications, 2-way systems, can be used without HF unit
Design notes:
41FR is ferrite based mid-woofer, developed for applications where small size mid-woofer is required. This version was developed with extended HF response and in some cases could be used as full-range driver. Yet, this driver delivers very good performance low frequency range as well. Our engineers have chosen lightweight, yet strong, paper cone with rubber surround. Cone optimized shape brings remarkable strength of the piston and greatly improves harmonic distortion artifacts. Overall this model delivers very good performance and is well balanced between performance - cost.
Specifications:
General specs
Nominal Diameter: 4 in.
Rated Impedance: 8 Ohm
Power handling
AES Power: 20 Watts
Program Power: 40 Watts
Voice Coil
Diameter: 1 in.
Winding wire: CCAW
Former: kapton
Winding height: 7.2 mm
T/S Parameters
Resonant frequency: 134 Hz
Re: 5.6 ohm
Qes: 0.81
Qms: 10.6
Qts: 0.75
Vas: 1.3 liters
Sd: 50.3 cm2
Mms: 3.8 grams
Bl: 4.78
Le: 0.09 mH
Sensitivity: 89.44 dB
Design details
Surround Material: Fabric
Cone material: Paper
Spider: Nomex
Plate thickness: 5 mm
Peak to peak linear cone Displacement 7 mm
Overall diameter: 105.5 mm
Bolt circle diameter: 106 mm
Baffle cutout dia.: 93.6 mm
Number of mounting holes: 4
Depth (flange to rear): 55.9 mm
Net weight: 0.78 kg
Ordering codes:
8 ohm version: 41FRX8-360B
Recone kits:
Download:
Spec download
2D drawing
3D model
Frequency response & lmpedance
2D drawing

Phone: (+86) 769 8318 1898   Email: info@redcatt.net

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