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SUBWOOFER 30W/4558T00
The Discovery series offer traditional design, superior sound, a solid construction, and
a wide range of variants. Combining these elements - plus a wealth of technical
features and finesses - it gives our customers the possibility of acquiring a tailor-made
Scan-Speak solution with very good performance at a reasonable low price point!
KEY FEATURES:
56mm Peak Excursion, 25mm Linear
Low Resonance Freq. 17Hz
Magnet System w. Alu Ring
High Output 89dB @ 2,83V
Anodized Alu Cone, Fibre Glass Dust Cap
Die cast Alu Chassis vented below spider
Notes:
IEC specs. refer to IEC 60268-5 third edition.
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.
Datasheet updated: February 22, 2011.
T-S Parameters
Resonance frequency [fs] 17 Hz
Mechanical Q factor [Qms] 5.01
Electrical Q factor [Qes] 0.34
Total Q factor [Qts] 0.32
Force factor [Bl] 10.5 Tm
Mechanical resistance [Rms] 2.88 kg/s
Moving mass [Mms] 135 g
Suspension compliance [Cms] 0.65 mm/N
Effective diaph. diameter [D] 244 mm
Effective piston area [Sd] 466 cm²
Equivalent volume [Vas] 197 l
Sensitivity (2.83V/1m) 89 dB
Ratio Bl/√Re 6.51 N/√W
Ratio fs/Qts 53 Hz
Electrical Data
Nominal impedance [Zn] 4 N
Minimum impedance [Zmin] 3.3 N
Maximum impedance [Zo] 40.9 N
DC resistance [Re] 2.6 N
Voice coil inductance [Le] 0.83 mH
Power Handling
100h RMS noise test (IEC 17.1) 150 W
Long-term max power (IEC 17.3) 350 W
Voice Coil and Magnet Data
Voice coil diameter 51 mm
Voice coil height 33 mm
Voice coil layers 4
Height of gap 8 mm
Linear excursion ± 12.5 mm
Max mech. excursion ± 28 mm
Unit weight 6.3 kg |
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