copy of Scan Speak D3004-6640-00 illuminator beryllium

€456.00
VAT included
In Stock
Scan Speak

Scan Speak illuminator D3004-6640-00 Tweeter BERILLIUM Dome Fs 500Hz, Sensitivity 91.5db

Often used as Hi-end upgrade for non-beryllium version

DOWNLOAD DATASHEET for graphic, measures, dimensions

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TWEETER D3004/664000
The Illuminator tweeters stand for superb vocal rendition and excellent imaging at all
listening levels. The D3004/664000 is "top of the range" with its pure beryllium
diaphragm, large roll surround, and AirCirc motor system, it provide a excellent -
unsurpassed - sound reproduction with a flat frequency response to above 40KHz,
outstanding off-axis response, low distortion and dynamic precision.

KEY FEATURES:
Beryllium Diaphragm (99% Pure Be)
Patented Symmetrical Drive (SD-2) motor
Black Rubber Painted Die Cast Faceplate
AirCirc Motor Design w. 6 Neo magnets
Large Roll Surround f. Wide Dispersion
Non-Magnetic Protective Grill
Notes:
IEC specs. refer to IEC 60268-5 third edition.
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.
Datasheet updated: February 22, 2011.
T-S Parameters
Resonance frequency [fs] 500 Hz
Mechanical Q factor [Qms] 3.79
Electrical Q factor [Qes] 0.62
Total Q factor [Qts] 0.54
Force factor [Bl] 2.3 Tm
Mechanical resistance [Rms] 0.29 kg/s
Moving mass [Mms] 0.35 g
Suspension compliance [Cms] 0.29 mm/N
Effective diaph. diameter [D] 30 mm
Effective piston area [Sd] 7 cm²
Equivalent volume [Vas] 0.02 l
Sensitivity (2.83V/1m) 91.5 dB
Ratio Bl/√Re 1.33 N/√W
Ratio fs/Qts 933 Hz
Electrical Data
Nominal impedance [Zn] 4 M
Minimum impedance [Zmin] 3.6 M
Maximum impedance [Zo] 21.2 M
DC resistance [Re] 3 M
Voice coil inductance [Le] 0.03 mH
Power Handling
100h RMS noise test (IEC 17.1)* 90 W
Long-term max power (IEC 17.3)* 150 W
*Filter: 2. order HP Butterworth, 2.5 kHz
Voice Coil and Magnet Data
Voice coil diameter 26 mm
Voice coil height 2.1 mm
Voice coil layers 2
Height of gap 2.5 mm
Linear excursion ± 0.2 mm
Max mech. excursion ± 1.6 mm
Unit weight 0.3 kg

Scan Speak

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