Динамик СЧ/НЧ SCANSPEAK 18W/4531G00. Инструкция на английском языке

MIDWOOFER                                                  18W/4531G00
The Revelator midrange and midwoofers, both well known for their sliced paper cone
technology. The slices are filled with damping glue, which dramatically reduces break-
up modes in the diaphragm. In combination with Scan-Speaks low-loss linear
suspension and the patented Symmetrical Drive (SD-1) it represented a breakthrough
in midrange clarity and overall smooth frequency response characteristics.
KEY FEATURES:
? Patented Symmetrical Drive Motor Design    ? Sliced Cone (Controls Cone Breakups)
? Low-Loss linear suspension               ? Low Damping SBR Rubber Surround
? Die cast Alu Chassis vented below spider    ? Large Ferrite Magnet System
T-S Parameters                                  Electrical Data
Resonance frequency [fs]        33 Hz           Nominal impedance [Zn]           4 ?
Mechanical Q factor [Qms]        5.20           Minimum impedance [Zmin]        4.2 ?
Electrical Q factor [Qes]        0.38           Maximum impedance [Zo]         49.9 ?
Total Q factor [Qts]             0.35           DC resistance [Re]              3.4 ?
Force factor [Bl]              5.7 Tm           Voice coil inductance [Le]     0.3 mH
Mechanical resistance [Rms]  0.70 kg/s
Power Handling
Moving mass [Mms]               17.5 g
100h RMS noise test (IEC 17.1)   70 W
Suspension compliance [Cms]  1.33 mm/N
Long-term max power (IEC 17.3)     - W
Effective diaph. diameter [D]  138 mm
Effective piston area [Sd]    150 cm?          Voice Coil and Magnet Data
Equivalent volume [Vas]         41.9 l         Voice coil diameter             38 mm
Sensitivity (2.83V/1m)          90 dB          Voice coil height             17.5 mm
Ratio Bl/vRe                3.09 N/vW          Voice coil layers                   2
Height of gap                    5 mm
Ratio fs/Qts                    93 Hz
Linear excursion              ± 6.5 mm
Notes:                                         Max mech. excursion           ± 11 mm
IEC specs. refer to IEC 60268-5 third edition.   Unit weight                   1.7 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/4531G00
Advanced Parameters (Preliminary)
Electrical data:                                Mechanical Data
Resistance [Re']               3.70 ?           Force Factor [Bl]             5.02 Tm
Free inductance [Leb]       0.0885 mH           Moving mass [Mms]              19.1 g
Bound inductance [Le]        0.631 mH           Compliance [Cms]          0.926 mm/N
Semi-inductance [Ke]        0.0176 SH           Mechanical resistance [Rms]  0.036 kg/s
Shunt resistance [Rss]         2289 ?           Admittance [Ams]          0.119 mm/N
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk