Dayton Audio CF120-4 4-1/2" Woven Carbon Fiber Midwoofer 4 Ohms

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Product description

Dayton Audio's CF120-4 4-1/2" midwoofer utilizes a high-tech carbon fiber cone to create its own perfect combination of visual aesthetics and uncompromising audio performance.

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Highlights

Pincushion cast aluminum frame

Ultra-light and stiff woven carbon fiber cone

Copper cap and large magnet provide a low distortion motor structure

Durable and potent 1" diameter hi-temp 2-layer voice coil

Black anodized aluminum vented former increases heat dissipation and power handling

Flat extended frequency response to 15,000 Hz

Great for small satellite 2-way, MTM designs, or high-end car audio applications

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Product details

Dayton Audio CF120-4 4-1/2" Woven Carbon Fiber Midwoofer 4 Ohms

Take one longing glance at the Dayton Audio CF120-4 4-1/2" midwoofer's carbon fiber cone, cast frame, and large magnet, and you'll realize performance, not cost, was the primary development criteria. Delve further into the product details, and the flat extended frequency response, strong motor, and well-balanced parameters will confirm your thoughts. This beautiful driver looks awesome -- and performs as well as it looks!

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Specifications

Article number CF120-4

Woofer Type Midwoofer

Nominal Diameter 4.50"

Power Handling (RMS) 30 watts

Power Handling (max) 60 watts

Impedance (Z) 4 ohms

Sensitivity 89.1 dB 2.83V/1m

Frequency Response 50 - 15,000 Hz

Voice Coil Diameter 25.4 mm

DC Resistance (Re) 3.4 ohms

Voice Coil Inductance (Le) 0.45 mH @ 1 kHz

Resonant Frequency (Fs) 53.2 Hz

Mechanical Q (Qms) 1.89

Electromagnetic Q (Qes) 0.32

Total Q (Qts) 0.28

Diaphragm Mass Inc. Airload (Mms) 6.9g

Mechanical Compliance of Suspension (Cms) 1.31 mm/N

Surface Area of Cone (Sd) 51.5 cm²

Volume of Displacement (Vd) 20.6 cm³

BL Product (BL) 4.94 Tm

Compliance Equivalent Volume (Vas) 4.87 liters

Maximum Linear Excursion (Xmax) 3.5 mm

Cone / Diaphragm Material Carbon Fiber Composite

Surround Material Rubber

Voice Coil Wire Material Copper

Voice Coil Former Aluminum

Basket / Frame Material Cast Aluminum

Magnet Material Ferrite

Overall Outside Diameter 5" ; Across flats 4.5"

Overall Depth 2.25"

Baffle Cutout Diameter 3.75"

Bolt Circle Diameter 4.5625"

# Mounting Holes 4

Sealed Volume 0.02 ft.³

Sealed F3 153 Hz

Vented Volume 0.06 ft.³

Vented F3 89 Hz