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Dayton Audio

Dayton Audio - 4½" Mid-Woofer Carbon Fibre - CF120-4

Dayton Audio - 4½" Mid-Woofer Carbon Fibre - CF120-4

$98.95 AUD
$98.95 AUD
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Description

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

Take one longing glance at the Dayton Audio CF120-4 4-1/2" midwoofers carbon fibre cone, cast frame, and large magnet, and you'll realise 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!

Features

  • Pincushion cast aluminium frame
  • Ultra-light and stiff woven carbon fibre cone
  • Copper cap and large magnet provide a low distortion motor structure
  • Durable and potent 1" diameter hi-temp 2-layer voice coil
  • Black anodised aluminium 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

Specifications

General

Driver type Mid-Woofer
Nominal size 4.5"
Nominal impedance 4Ω
Series CF
Power handling (RMS) 30 W
Power handling (program) 60 W
Sensitivity 89.1 dB
Frequency range 50 – 15,000 Hz
Suggested alignment Ported

Thiele/Small parameters

Resonant frequency (Fs) 53.2 Hz
DC resistance (Re) 3.4 Ω
Voice coil inductance (Le) 0.45 mH
Mechanical Q (Qms) 1.89
Electrical Q (Qes) 0.32
Total Q (Qts) 0.28
Equivalent volume (Vas) 4.87 L
Compliance (Cms) 1.31 mm/N
Moving mass (Mms) 6.9 g
Force factor (Bl) 4.94 T·m
Effective piston area (Sd) 51.5 cm²
Linear excursion (Xmax, one-way) 3.5 mm
Displacement volume (Vd) 18.02 cm³
Efficiency bandwidth product (EBP) 166.2

Mounting

Overall diameter 126.4 mm
Faceplate Not round, 106.5 × 106.5 mm (see the maker's drawing)
Cutout diameter 101.6 mm
Mounting depth 55 mm
Voice coil diameter 25.4 mm
  • Xmax is quoted one-way (peak), not peak-to-peak.
  • Sensitivity measured at 2.83V/1m.

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