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SB Acoustics

SB Acoustics - 5" CAC Mid-Woofer - SB15CAC30-4

SB Acoustics - 5" CAC Mid-Woofer - SB15CAC30-4

$154.95 AUD
$154.95 AUD
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Description

A 5" mid-woofer from SB Acoustics with a geometrically reinforced ceramic cone in a vented cast aluminium chassis. It has a soft low-damping rubber surround, a CCAW voice coil on a fibreglass former and a copper sleeve on the vented pole piece for low inductance and low distortion.

Features

  • Vented cast aluminium chassis for optimum strength and low compression
  • Geometrically reinforced ceramic cone for optimum piston operation and reduced break-up
  • Soft low damping rubber surround for improved transient response
  • Non-conducting fibre glass voice coil former for minimum damping
  • Extended copper sleeve on pole piece for low inductance and low distortion
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Vented pole piece for reduced compression

Specifications

General

Driver type Mid-Woofer
Nominal size 5"
Nominal impedance 4Ω
Power handling (RMS) 50 W
Sensitivity 88 dB

Thiele/Small parameters

Resonant frequency (Fs) 32.5 Hz
DC resistance (Re) 3.1 Ω
Voice coil inductance (Le) 0.12 mH
Mechanical Q (Qms) 4.61
Electrical Q (Qes) 0.34
Total Q (Qts) 0.31
Equivalent volume (Vas) 20.2 L
Compliance (Cms) 2.12 mm/N
Moving mass (Mms) 11.3 g
Mechanical resistance (Rms) 0.5 kg/s
Force factor (Bl) 4.6 T·m
Effective piston area (Sd) 82 cm²
Linear excursion (Xmax, one-way) 5 mm
Displacement volume (Vd) 41 cm³
Efficiency bandwidth product (EBP) 95.59

Motor

Voice coil height 15 mm
Air gap height 5 mm
Magnetic flux density 1 T
Magnet weight 0.54 kg

Mounting

Voice coil diameter 30.5 mm
Weight 1.46 kg

Materials

Cone Ceramic
  • Xmax is quoted one-way (peak), not peak-to-peak.
  • Sensitivity measured at 2.83V/1m.

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