Динамик СЧ/НЧ SCANSPEAK 18W/4434G00. Инструкция на английском языке

MIDWOOFER                                                  18W/4434G00
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:
? High Output 91dB @ 2,83V                 ? Coated NRSC Fibre Glass Cone
? Magnet System w. Alu Ring                ? Low Damping SBR Rubber Surround
? Die cast Alu Chassis vented below spider
T-S Parameters                                  Electrical Data
Resonance frequency [fs]        47 Hz           Nominal impedance [Zn]           4 ?
Mechanical Q factor [Qms]        7.81           Minimum impedance [Zmin]        3.9 ?
Electrical Q factor [Qes]        0.37           Maximum impedance [Zo]         66.3 ?
Total Q factor [Qts]             0.35           DC resistance [Re]               3 ?
Force factor [Bl]              6.0 Tm           Voice coil inductance [Le]    0.39 mH
Mechanical resistance [Rms]  0.55 kg/s
Power Handling
Moving mass [Mms]              14.41 g
100h RMS noise test (IEC 17.1)   55 W
Suspension compliance [Cms]  0.79 mm/N
Long-term max power (IEC 17.3)  170 W
Effective diaph. diameter [D]  132 mm
Effective piston area [Sd]    137 cm?          Voice Coil and Magnet Data
Equivalent volume [Vas]         20.7 l         Voice coil diameter             32 mm
Sensitivity (2.83V/1m)         91.3 dB         Voice coil height             13.6 mm
Ratio Bl/vRe                3.48 N/vW          Voice coil layers                   2
Height of gap                    5 mm
Ratio fs/Qts                   134 Hz
Linear excursion              ± 4.3 mm
Notes:                                         Max mech. excursion            ± 8 mm
IEC specs. refer to IEC 60268-5 third edition.   Unit weight                   1.3 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

MIDWOOFER                                                  18W/4434G00
Advanced Parameters (Preliminary)
Electrical data:                                Mechanical Data
Resistance [Re']               3.29 ?           Force Factor [Bl]             5.37 Tm
Free inductance [Leb]       0.0771 mH           Moving mass [Mms]              12.7 g
Bound inductance [Le]        0.561 mH           Compliance [Cms]          0.967 mm/N
Semi-inductance [Ke]        0.0401 SH           Mechanical resistance [Rms]  0.279 kg/s
Shunt resistance [Rss]         2289 ?           Admittance [Ams]          0.0753 mm/N
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk