Динамик ВЧ SCANSPEAK R1904/613001. Инструкция на английском языке

TWEETER                                                   R1904/613001
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:
? 3/4" Ring Dome tweeter                   ? Optimized for Car use
? Compact mounting dimentions              ? Wedge House for dashboard mounting
? Flange and Nut for doorpanel mounting
T-S Parameters                                  Electrical Data
Resonance frequency [fs]      1000 Hz           Nominal impedance [Zn]           4 ?
Mechanical Q factor [Qms]        8.03           Minimum impedance [Zmin]        3.3 ?
Electrical Q factor [Qes]        2.02           Maximum impedance [Zo]         13.4 ?
Total Q factor [Qts]             1.61           DC resistance [Re]              2.7 ?
Force factor [Bl]              1.4 Tm           Voice coil inductance [Le]    0.02 mH
Mechanical resistance [Rms]  0.18 kg/s
Power Handling
Moving mass [Mms]               0.23 g
100h RMS noise test (IEC 17.1)*  40 W
Suspension compliance [Cms]  0.11 mm/N
Long-term max power (IEC 17.3)*    - W
Effective diaph. diameter [D]  1.1 mm
*Filter: 2. order HP Butterworth, 3 kHz
Effective piston area [Sd]    3.8 cm?
Voice Coil and Magnet Data
Equivalent volume [Vas]        0.002 l
Voice coil diameter             19 mm
Sensitivity (2.83V/1m)         87.0 dB
Voice coil height              1.8 mm
Ratio Bl/vRe                0.85 N/vW
Voice coil layers                   2
Ratio fs/Qts                   620 Hz
Height of gap                    2 mm
Notes:                                         Linear excursion              ± 0.1 mm
IEC specs. refer to IEC 60268-5 third edition.   Max mech. excursion         ± 1.6 mm
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.     Unit weight                    0.05 kg
Datasheet updated: February 22, 2011.
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk

TWEETER                                                   R1904/613001
Advanced Parameters (Preliminary)
Electrical data:                                Mechanical Data
Resistance [Re']                  - ?           Force Factor [Bl]               - Tm
Free inductance [Leb]            - mH           Moving mass [Mms]                 - g
Bound inductance [Le]            - mH           Compliance [Cms]              - mm/N
Semi-inductance [Ke]             - SH           Mechanical resistance [Rms]     - kg/s
Shunt resistance [Rss]            - ?           Admittance [Ams]              - mm/N
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk