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Scan-Speak D2905/990000
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1" Revelator Tweeter
Серия Revelator
Характеристики и диаграммы в PDF |
The Revelator series has for years been celebrated for producing
the best sounding electro dynamic transducers in the world.
Since ScanSpeak was founded in 1970, the audio engineers and
R&D experts working on the line have been on a quest to create
drivers that reveal all the sound in recordings, hiding nothing from
the listener. This quest has resulted in several revolutionary
inventions that remove distortion in the magnet systems and in
the moving parts of the speaker. The philosophy is that the sound
has to be very dynamic, giving a perfect transient response and
providing tonal balance.
In the Revelator tweeters, additional enhancements have been
made to reduce distortion and power compression, and to
optimize airflow in the chambers, producing several unique
tweeter designs.
Driver Highlights: 1" soft dome, SD-2 motor, low compression
design, non resonant chamber, machined aluminium faceplate
Electrical Data
Nominal impedance Zn 6 ohm
Minimum impedance Zmin -- ohm
Maximum impedance Zo -- ohm
DC resistance Re 4.7 ohm
Voice coil inductance Le 0.01 mH
T-S Parameters
Resonance Frequency fs 500 Hz
Force factor Bl 3.5 Tm
Mechanical resistance Rms -- Kg/s
Moving mass Mms 0.45 g
Suspension compliance Cms -- mm/N
Effective cone diameter D -- cm
Effective piston area Sd 8.5 cm2
Equivalent volume Vas -- ltrs
Sensitivity 91 dB
Power handling
100h RMS noise test (IEC) 225 W
Voice Coil and Magnet Parameters
Voice coil diameter 28 mm
Linear excursion +/- 0.4 mm
Max mech. excursion +/- 1.5 mm
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192 евро/шт |
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