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2" | 20NFR
Neodymium Full-Range
Neodymium Full-Range
Neodymium Full-Range Neodymium Full-Range
Key features:
  • Very compact and affordable design
  • Lightweight cone assembly
Design notes:
20NFR was designed for applications where true full-range frequency response from one driver is required. From low to up to 17kHz, this driver truly delivers that. With additional DSP, the driver can be used from about 60Hz up. We have developed very lightweight foam surround material. This material is our preference anywhere where we are designing larger cone excursions, yet lightweight piston is required. It delivers excellent acoustical properties without the mass penalties. The magnetic circuit was designed around neodymium slug magnets, with u-cup style steel. The circuit delivers very high performance in very small and lightweight form factor.
Specifications:
  • General specs
    Nominal Diameter: 2 in.
    Rated Impedance: 4 Ohm
    Power handling
    AES Power: 10 Watts
    Program Power: 20 Watts
    Voice Coil
    Diameter: 0.75 in.
    Winding wire: Aluminum
    Former: kapton
    Winding height: 8.5 mm
  • T/S Parameters
    Resonant frequency: 185 Hz
    Re: 3.6 ohm
    Qes: 0.54
    Qms: 10.3
    Qts: 0.52
    Vas: 0.09 liters
    Sd: 11.34 cm2
    Mms: 1.37 grams
    Bl: 3.24
    Le: 0.08 mH
    Sensitivity: 83.03 dB
  • Design details
    Surround Material: Foam
    Cone material: Paper
    Spider: Nomex
    Plate thickness: 2.5 mm
    Peak to peak linear cone Displacement 6 mm
    Overall diameter: 48 mm
    Bolt circle diameter: 56 mm
    Baffle cutout dia.: 42.9 mm
    Number of mounting holes: 4
    Depth (flange to rear): 29 mm
    Net weight: 0.08 kg
  • Ordering codes:
    4 ohm version: 20NFRX4 ohm-345A
    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.
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redcatt

Neodymium Full-Range
Neodymium Full-Range
Neodymium Full-Range
Neodymium Full-Range Neodymium Full-Range
2" | 20NFR
Key features:
  • Very compact and affordable design
  • Lightweight cone assembly
Design notes:
20NFR was designed for applications where true full-range frequency response from one driver is required. From low to up to 17kHz, this driver truly delivers that. With additional DSP, the driver can be used from about 60Hz up. We have developed very lightweight foam surround material. This material is our preference anywhere where we are designing larger cone excursions, yet lightweight piston is required. It delivers excellent acoustical properties without the mass penalties. The magnetic circuit was designed around neodymium slug magnets, with u-cup style steel. The circuit delivers very high performance in very small and lightweight form factor.
Specifications:
General specs
Nominal Diameter: 2 in.
Rated Impedance: 4 Ohm
Power handling
AES Power: 10 Watts
Program Power: 20 Watts
Voice Coil
Diameter: 0.75 in.
Winding wire: Aluminum
Former: kapton
Winding height: 8.5 mm
T/S Parameters
Resonant frequency: 185 Hz
Re: 3.6 ohm
Qes: 0.54
Qms: 10.3
Qts: 0.52
Vas: 0.09 liters
Sd: 11.34 cm2
Mms: 1.37 grams
Bl: 3.24
Le: 0.08 mH
Sensitivity: 83.03 dB
Design details
Surround Material: Foam
Cone material: Paper
Spider: Nomex
Plate thickness: 2.5 mm
Peak to peak linear cone Displacement 6 mm
Overall diameter: 48 mm
Bolt circle diameter: 56 mm
Baffle cutout dia.: 42.9 mm
Number of mounting holes: 4
Depth (flange to rear): 29 mm
Net weight: 0.08 kg
Ordering codes:
4 ohm version: 20NFRX4 ohm-345A
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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