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SB Acoustics

SB Acoustics - 6" PFCR Mid-Woofer - SB16PFCR25-8

SB Acoustics - 6" PFCR Mid-Woofer - SB16PFCR25-8

$51.95 AUD
$51.95 AUD
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Description

A 6" mid-woofer from SB Acoustics with a paper cone made in-house from natural fibres, a soft rubber surround and a ferrite motor, in a vented reinforced plastic chassis with a round mounting frame.

Features

  • Vented reinforced plastic chassis
  • Proprietary cone material with natural fibres made in-house
  • Soft low damping rubber surround for improved transient response
  • Optimised motor system
  • Vented coil former for low compression
  • Non-resonant long life lead wires

Specifications

General

Driver type Mid-Woofer
Nominal size 6"
Nominal impedance 8Ω
Power handling (RMS) 40 W
Sensitivity 87 dB

Thiele/Small parameters

Resonant frequency (Fs) 38 Hz
DC resistance (Re) 5.6 Ω
Voice coil inductance (Le) 0.77 mH
Mechanical Q (Qms) 2.5
Electrical Q (Qes) 0.48
Total Q (Qts) 0.4
Equivalent volume (Vas) 27 L
Compliance (Cms) 1.25 mm/N
Moving mass (Mms) 13.8 g
Mechanical resistance (Rms) 1.4 kg/s
Force factor (Bl) 6.2 T·m
Effective piston area (Sd) 124 cm²
Linear excursion (Xmax, one-way) 4.5 mm
Displacement volume (Vd) 55.8 cm³
Efficiency bandwidth product (EBP) 79.17

Motor

Voice coil height 14 mm
Air gap height 5 mm
Magnetic flux density 1.07 T
Magnet weight 0.36 kg

Mounting

Voice coil diameter 25.4 mm
Weight 0.94 kg

Materials

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

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