MUSTER REDCATT 31NFR - 8 Ohm

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REDCATT 31NFR - 8 Ohm Full-range

Key Features

• EXTENDED FREQUENCY RESPONSE
• Hard anodized Aluminum cone
• Usage in hi-fi, columns, outdoor and portable products

Design Notes

The 31NFR is a high efficiency, (84dB 1watt / 1 meter) 3-inch full range speaker with very linear frequency response characteristics and high power handling capability. The 31NFR uses a lightweight anodized aluminum cone assembly along with a NBR single roll geometry surround. The combination provides high efficiency, extended high frequency response and sustained output under variety of conditions, while generating low harmonic distortion over the working range of this speaker. Magnetic circuit design REDCATT engineers have developed neodymium based magnetic circuit with small form factor, high integrity magnetic flux gap and low distortion characteristic. The magnetic circuit design is optimized to generate the minimum amount of flux modulation, providing exceptional stability. Copper demodulation cup is assembled over the t-pole.

Specifications
General Specs

• Nominal Diameter: 3 inch
• Rated Impedance: 8 Ohm

Power Handling

• AES Power: 30 Watts
• Program Power: 60 Watts

Voice Coil

• Diameter: 1 inch
• Winding wire : Aluminum
• Former: Kapton
• Winding height: 7,4 mm

T/S Parameters

• Resonant frequency: 115Hz
• Re: 6.3ohm
• Qes: 0,94
• Qms: 15,1
• Qts: 0,88
• VAS: 0.85L
• Sd: 28.3cm2
• Mms: 2.5g
• BL: 3.5
• Le: 0,09
• Sensivity: 84,49 dB

Design Details

• Surround material: Rubber
• Cone material: Aluminum
• Spider: Nomex
• Plate thickness: 4 mm
• Peak to peak linear cone displacement: 5,7 mm
• Overall diameter: 78,7 mm
• Bolt circle diameter: 84 mm
• Baffle cutout dia: 71,5 mm
• Number of mounting holes: 4
• Depth (flange to rear): 45,3 mm
• Net weight: 0.18kg