Динамик СЧ SCANSPEAK D7608/920000. Инструкция на английском языке

MIDRANGE                                                  D7608/920000
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:
? Fast action due to low moving mass       ? Wide Dispersion
? High SPL Output 92dB                     ? Vented / open rearside
? Internal Ferrite Magnet                  ? Internal grill to prevent dome from being pushed in
T-S Parameters                                  Electrical Data
Resonance frequency [fs]       300 Hz           Nominal impedance [Zn]           8 ?
Mechanical Q factor [Qms]        7.75           Minimum impedance [Zmin]        6.2 ?
Electrical Q factor [Qes]        2.22           Maximum impedance [Zo]         25.6 ?
Total Q factor [Qts]             1.73           DC resistance [Re]              5.7 ?
Force factor [Bl]              4.7 Tm           Voice coil inductance [Le]    0.13 mH
Mechanical resistance [Rms]  0.80 kg/s
Power Handling
Moving mass [Mms]                3.3 g
100h RMS noise test (IEC 17.1)*  80 W
Suspension compliance [Cms]  0.09 mm/N
Long-term max power (IEC 17.3)*    - W
Effective diaph. diameter [D]  84 mm
*Filter: 2. order HP Butterworth, 500 Hz
Effective piston area [Sd]     55 cm?
Voice Coil and Magnet Data
Equivalent volume [Vas]         0.36 l
Voice coil diameter             76 mm
Sensitivity (2.83V/1m)          92 dB
Voice coil height              2.9 mm
Ratio Bl/vRe                1.97 N/vW
Voice coil layers                   2
Ratio fs/Qts                   174 Hz
Height of gap                    2 mm
Notes:                                         Linear excursion              ± 0.4 mm
IEC specs. refer to IEC 60268-5 third edition.   Max mech. excursion         ± 1.5 mm
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.     Unit weight                     0.6 kg
Datasheet updated: February 22, 2011.
N.C. Madsensvej 1 ? 6920 Videb?k ? Denmark ? Phone: +45 6040 5200 ? www.scan-speak.dk

MIDRANGE                                                  D7608/920000
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