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NEW Dayton Audio CFC150-4 5-1/4" Carbon Fiber Woofer 4 Ohm

Dayton AudioPart # 295-606
Model: CFC150-4
The Dayton Audio CFC150-4 combines high sensitivity, useful excursion, and premium cone construction in an affordable 5-1/4" 4Ω woofer. Its woven carbon fiber cone, 3.5 mm Xmax, and detailed response provide a solid foundation for compact 2-way systems, while the raised and vented pole piece improves magnetic symmetry and voice coil cooling. With 89 dB sensitivity, 40 watts RMS power handling, and response from 50 to 7,000 Hz, the CFC150-4 offers an impressive combination of bandwidth, output capability, and value.

Key Features

  • Woven carbon fiber cone combines low mass and excellent rigidity for clean, detailed sound
  • Raised pole piece creates a more symmetrical magnetic field for controlled displacement
  • 3.5 mm Xmax provides impressive low-frequency capability from a compact 5-1/4" woofer
  • Vented pole piece improves voice coil cooling to help reduce power compression
  • 89 dB sensitivity and 50 to 7,000 Hz response make it an excellent choice for compact 2-way designs
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Overview

Dayton Audio CFC150-4 5-1/4" Carbon Fiber Woofer 4 Ohm

Step up your next compact speaker project with the Dayton Audio CFC150-4. This 5-1/4" 4Ω woofer combines a woven carbon fiber cone with a refined motor and suspension system to deliver strong output, clear midrange, and solid low-frequency performance from a space-conscious design. With premium materials, versatile mounting, and an affordable price, it’s a great fit for compact 2-way speakers, custom builds, and value-focused DIY projects.

Key Specs:

  • Nominal Diameter: 5-1/4"
  • Power Handling (RMS): 40 Watts
  • Power Handling (MAX): 80 Watts
  • Impedance: 4Ω
  • Frequency Response: 50 – 7,000 Hz
  • Fs: 77 Hz
  • Qts: 0.70
  • Vas: 0.148 ft³
  • Sensitivity: 89.0 dB 2.83V/1m
  • Voice Coil Diameter: 1"
  • Maximum Linear Excursion: ±3.5 mm

Lightweight Carbon Fiber with Efficient Cooling

The Dayton Audio CFC150-4's woven carbon fiber cone provides a stiff, lightweight diaphragm that resists unwanted flexing. This helps preserve detail throughout the woofer’s operating range. Its distinctive woven finish also gives this compact woofer a premium appearance that stands out well beyond its price.

A 25 mm 2-layer voice coil wound on an aluminum former handles up to 40 watts RMS. The raised pole piece creates a more symmetrical magnetic field around the voice coil, helping maintain consistent motor force throughout its travel. A vented pole piece increases airflow through the motor for improved cooling and reduced power compression during extended use.

Smooth Excursion with Versatile Mounting Options

With 3.5 mm of Xmax and extension down to 50 Hz, the CFC150-4 provides useful bass capability for its size. A low-loss rubber surround and large-diameter flat spider provide stable suspension and smooth cone travel. The poly dust cap adds damping to help control unwanted resonances.

Its response extending to 7,000 Hz gives designers plenty of flexibility when pairing the CFC150-4 with a tweeter in a compact 2-way system. The stamped steel frame features a low-profile mounting flange suitable for either flush or surface mounting. Its 4Ω impedance also makes it well suited for a variety of home, portable, and custom audio applications.

Premium Performance for Budget-Conscious Builds

At 89 dB sensitivity, the 5-1/4" CFC150-4 can produce satisfying output without requiring excessive amplifier power. Carbon fiber construction, thoughtful motor features, and versatile mounting make it an appealing choice for space-conscious speaker projects. Its affordable price makes those features accessible to budget-conscious builders.

Product Details

BrandDayton Audio
ModelCFC150-4
Part Number295-606
UPC848791012266
Unit of MeasureEach
Weight2.65

Product Specifications

Nominal Diameter5-1/4"
Bolt Circle Diameter5.5
Power Handling (RMS)40 Watts
Power Handling (MAX)80 Watts
Impedance4Ω
Frequency Response50 - 7,000Hz
Sensitivity89dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)77Hz
DC Resistance (Re)3.6Ω
Voice Coil Inductance (Le)0.35mH
Mechanical Q (Qms)4.13
Electromagnetic Q (Qes)0.84
Total Q (Qts)0.7
Compliance Equivalent Volume (Vas)0.148ft³
Mechanical Compliance of Suspension (Cms)0.41mm/N
BL Product (BL)4.7T·m
Diaphragm Mass Inc. Airload (Mms)10.5g
Maximum Linear Excursion (Xmax)3.5mm
Surface Area of Cone (Sd)85.1cm²

Materials of Construction

Cone MaterialCarbon Fiber
Surround MaterialRubber
Voice Coil FormerAluminum
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter5.82"
Baffle Cutout Diameter4.75"
Depth2.7"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.3ft³
Sealed F394Hz
Vented Volume0.4ft³
Vented F347Hz

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