Динамик НЧ SCANSPEAK 30W/4558T00. Инструкция на английском языке

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         ? High Output 89dB @ 2,83V
? Low Resonance Freq. 17Hz                 ? Anodized Alu Cone, Fibre Glass Dust Cap
? Magnet System w. Alu Ring                ? Die cast Alu Chassis vented below spider
T-S Parameters                                  Electrical Data
Resonance frequency [fs]        17 Hz           Nominal impedance [Zn]           4 ?
Mechanical Q factor [Qms]        5.01           Minimum impedance [Zmin]        3.3 ?
Electrical Q factor [Qes]        0.34           Maximum impedance [Zo]         40.9 ?
Total Q factor [Qts]             0.32           DC resistance [Re]              2.6 ?
Force factor [Bl]             10.5 Tm           Voice coil inductance [Le]    0.83 mH
Mechanical resistance [Rms]  2.88 kg/s
Power Handling
Moving mass [Mms]               135 g
100h RMS noise test (IEC 17.1)  150 W
Suspension compliance [Cms]  0.65 mm/N
Long-term max power (IEC 17.3)  350 W
Effective diaph. diameter [D]  244 mm
Effective piston area [Sd]    466 cm?          Voice Coil and Magnet Data
Equivalent volume [Vas]          197 l         Voice coil diameter             51 mm
Sensitivity (2.83V/1m)          89 dB          Voice coil height               33 mm
Ratio Bl/vRe                6.51 N/vW          Voice coil layers                   4
Height of gap                    8 mm
Ratio fs/Qts                    53 Hz
Linear excursion             ± 12.5 mm
Notes:                                         Max mech. excursion           ± 28 mm
IEC specs. refer to IEC 60268-5 third edition.   Unit weight                   6.3 kg
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.
Datasheet updated: February 22, 2011.
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk

SUBWOOFER                                                  30W/4558T00
Advanced Parameters (Preliminary)
Electrical data:                                Mechanical Data
Resistance [Re']               3.00 ?           Force Factor [Bl]             9.75 Tm
Free inductance [Leb]        0.153 mH           Moving mass [Mms]               135 g
Bound inductance [Le]         1.13 mH           Compliance [Cms]          0.598 mm/N
Semi-inductance [Ke]        0.0782 SH           Mechanical resistance [Rms]  0.160 kg/s
Shunt resistance [Rss]         6889 ?           Admittance [Ams]          0.0965 mm/N
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk