REDCATT 8FHM - 4 Ohm

REDCATT 8FHM - 4 Ohm Woofer

Key Features

• EXTENDED FREQUENCY RESPONSE
• 1k carbon-fiber nomex core honeycomb cone
• Ideal for high quality hi-fi applications, studio monitors

Design Notes

The 8FHM is a high efficiency, (91 dB 1watt / 1 meter) 8-inch mid-woofer with incredibly linear frequency response characteristics and ultra low harmonic distortion artifacts. The 8FHM uses a lightweight 1k carbon fiber material, assembled from both sides of Nomex honey-comb core. This unique cone provides the ideal weight to strength ratio. The rubber surround has been FEM modeled and optimized. The honeycomb cone with high end 1k carbon fiber material provides remarkable strength, while pushing the cone break-up modes to high frequencies, significantly extending the working range of the speaker. The cone The 8FHM cone is made using 1k carbon fiber hone-comb, placed from both sides of Nomex core, while the dustcap is made off hard-anodization reinforced aluminum. The dustcap shape and the hard anodizing are further improving the high frequency behavior.

Specifications
General Specs

• Nominal Diameter: 8 inch
• Rated Impedance: 4 Ohm

Power Handling

• AES Power: 50 Watts
• Program Power: 100 Watts

Voice Coil

• Diameter: 1,4 inch
• Winding wire : CCAW
• Former: kapton
• Winding height: 18 mm

T/S Parameters

• Resonant frequency: 38Hz
• Re: 3.6ohm
• Qes: 0,41
• Qms: 12,9
• Qts: 0,39
• VAS: 32.1L
• Sd: 206.1cm2
• Mms: 31.5g
• BL: 8.19
• Le: 0,46
• Sensivity: 89,04 dB

Design Details

• Surround material: Rubber
• Cone material: CF Honeycomb
• Spider: Nomex
• Plate thickness: 8 mm
• Peak to peak linear cone displacement: 13 mm
• Overall diameter: 223,5 mm
• Bolt circle diameter: 210 mm
• Baffle cutout dia: 189 mm
• Number of mounting holes: 6
• Depth (flange to rear): 94,5 mm
• Net weight: 2.8kg