SB ACOUSTICS SB20PFCS30-7 8” 7ohm Ferrite PFC Woofer Loudspeaker

SB ACOUSTICS SB20PFCS30-7 8” 7ohm Ferrite PFC Loudspeaker

Key Features:

• Proprietary cone material with natural fibers made in-house
• Foam surround for maximum transparency and midrange resolution
• Large spider for improved linearity
• Vented motor system and coil former for low compression
• Vented reinforced plastic chassis
• Non-resonant long-life lead wires
• High Q design intended for sealed enclosures with series capacitor

SB20PFCS30-7 Specifications:

• Nominal Impedance 7 Ω
• DC resistance, Re 5.0 Ω
• Voice coil inductance, Le 0.95 mH
• Effective piston area, Sd 222 cm²
• Voice coil diameter 30.5 mm
• Voice coil height 16 mm
• Air gap height 5 mm
• Linear coil travel (p-p) 11 mm
• Magnetic flux density 0.91 T
• Magnet weight 0.36 kg
• Net weight 0.96 kg
• Free air resonance, Fs 39 Hz
• Sensitivity (2.83V/1m) 88 dB
• Mechanical Q-factor, Qms 4.50
• Electrical Q-factor, Qes 0.77
• Total Q-factor, Qts 0.66
• Moving mass incl. air,Mms 19.6 g
• Force factor, Bl 5.6 Tm
• Equivalent volume, Vas 59.5 liters
• Compliance, Cms 0.85 mm/N
• Mechanical loss, Rms 1.07 kg/s
• Rated power handling* 40 W

Why Choose Lean Business Audio?

50 years of experience of designing, building and supplying Home, Car and Professional Audio.

Huge stocks of leading loudspeakers and audio brands
KEF, Celestion, Eminence, WGS, Montage, BMS Speakers, Faital Pro, Eighteen Sound, Ciare

Low Worldwide shipping rates.
Free Delivery on selected brands with the UK.
Price matching.

For more information please contact us at: +44(0)1473 744089
Or Email us at: sales@lean-business.co.uk