SB Acoustics SB20PFCR30-8 8" Woofer Vented reinforced plastic chassis Proprietary cone... more
Product information "SB Acoustics SB20PFCR30-8"
SB Acoustics SB20PFCR30-8 8" Woofer
- Vented reinforced plastic chassis
- Proprietary cone material with natural fibers made in-house
- Soft low damping rubber surround for improved transient response
- Large spider for improved linearity
- Optimized motor system
- Vented coil former for low compression
- Non-resonant long life lead wires
Specifications
- power handling (continuous/programme) = 50 W
- frequency range = 30-5000 Hz
- resonance frequency fs = 34 Hz
- impedance R = 8 Ohm
- sound pressure level SPL = 90.5 dB (2,83V; 1m)
- DC resistance Re = 5,6 Ohm
- force factor BL = 7,7 N/A
- voice coil inductance L = 0.84 mH
- effective piston radiating area Sd = 216 cm2
- effective mechanical mass incl. air load mms = 21,2 g
- equivalent volume of compliance Vas = 66,2 l
- total Q factor Qts = 0.37 (Qms=2.66, Qes=0.43)
- voice coil diameter = 30 mm
- mounting diameter d = 187 mm
- overall diameter d = 233mm
- mounting depth (not countersunk) t = 82,4 mm
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