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SB Acoustics

SB Acoustics - 5" CRC Mid-Woofer - SB15CRC30-8

SB Acoustics - 5" CRC Mid-Woofer - SB15CRC30-8

$174.95 AUD
$174.95 AUD
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Description

A 5" mid-woofer from SB Acoustics with a woven carbon fibre and Rohacell® sandwich cone, a rubber surround and a ferrite motor, in a vented cast aluminium chassis. The voice coil is CCAW on a fibreglass former, and the vented pole piece carries a copper sleeve for low inductance and low distortion.

Features

  • Rohacell®/Carbon fibre sandwich cone for optimised stiffness/damping ratio
  • Vented cast aluminium chassis for optimum strength and low compression
  • 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 8Ω
Power handling (RMS) 50 W
Sensitivity 86 dB

Thiele/Small parameters

Resonant frequency (Fs) 40 Hz
DC resistance (Re) 5.9 Ω
Voice coil inductance (Le) 0.14 mH
Mechanical Q (Qms) 3.52
Electrical Q (Qes) 0.46
Total Q (Qts) 0.41
Equivalent volume (Vas) 14.9 L
Compliance (Cms) 1.62 mm/N
Moving mass (Mms) 9.8 g
Mechanical resistance (Rms) 0.7 kg/s
Force factor (Bl) 5.6 T·m
Effective piston area (Sd) 82 cm²
Linear excursion (Xmax, one-way) 5.5 mm
Displacement volume (Vd) 45.1 cm³
Efficiency bandwidth product (EBP) 86.96

Motor

Voice coil height 16 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 Carbon
  • Xmax is quoted one-way (peak), not peak-to-peak.
  • Sensitivity measured at 2.83V/1m.

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