MUSTER REDCATT 123NPM - 8 Ohm

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REDCATT 123NPM - 8 Ohm Mid-woofer

Key Features

• High sensitivity, EXTENDED FREQUENCY RESPONSE
• 3 demodulation rings, powerful motor structure, dual air-gap
• High power handling

Design Notes

The 123NPM is a truly unique full range woofer. We have designed cutting edge product, using the best avail-able materials and highly optimized design for the best performance in its class. It delivers very high efficiency, (96 dB 1watt / 1 meter), incredibly linear frequency response characteristics with extended HF frequency response, extreme high power handling capability, while generating ultra low harmonic distortion artifacts. The 123NPM uses a lightweight carbon fiber loaded cone assembly along with a high excursion triple roll constant geometry surround. This combination provides remarkable strength, high efficiency and a peak to peak linear excursion of 22mm (0.9in). Magnetic Circuit The magnetic circuit features two aluminum shorting rings, double air-gap front plate. The cooling system and the air flow has been designed using the modern FEM techniques and further optimized to provide the highest levels of cooling efficiency. The magnetic circuit design is optimized to generate the minimum amount of flux modulation, providing exceptional stability.

Specifications
General Specs

• Diameter: 12 inch
• Rated Impedance: 8 Ohm

Power Handling

• AES Power: 800 Watts
• Program Power: 1600 Watts

Voice Coil

• Diameter: 4 inch
• Winding wire : Aluminum Sq.
• Former: Glass Fiber
• Winding height: 23 mm

T/S Parameters

• Resonant frequency: 58Hz
• Re: 4.7ohm
• Qes: 0,45
• Qms: 12,6
• Qts: 0,43
• VAS: 31.6L
• Sd: 551cm2
• Mms: 100g
• BL: 19.6
• Le: 0,71
• Sensivity: 95,82 dB

Design Details

• Surround material: Fabric
• Cone material: Paper
• Spider: Nomex
• Plate thickness: 12,5 mm
• Peak to peak linear cone displacement: 17,75 mm
• Overall diameter: 320,35 mm
• Bolt circle diameter: 299 mm
• Baffle cutout dia: 281,9 mm
• Number of mounting holes: 8
• Depth (flange to rear): 140,5 mm
• Net weight: 6.2kg