-40%
SCAN SPEAK Hochtöner D2905/930000 Classic
€ 60.72
- Description
- Size Guide
Description
SCAN SPEAK Hochtöner D2904/980000 ClassicThe Classic tweeters are among the many highly praised designs in Classic series. They
have enjoyed success over 3 decades. And still among the best tweeters available. The
D2905/9000 tweeter kick-started a new era with a line of very high quality 1"
tweeters, today known as -9300, -9500, -9700 and -9800. Despite their many years
on the marked still used in many top High-End speakers around the world.
KEY FEATURES:
. 1" Textile Dome Diaphragm
. Low Resonance Rear Chamber
. Ferro Fluid
. Black Painted Alu Face Plate
T-S Parameters
Resonance frequency [fs] 650 Hz
Mechanical Q factor [Qms] 0.94
Electrical Q factor [Qes] 0.72
Total Q factor [Qts] 0.41
Force factor [Bl] 3.5 Tm
Mechanical resistance [Rms] 1.96 kg/s
Moving mass [Mms] 0.45 g
Suspension compliance [Cms] 0.13 mm/N
Effective diaph. diameter [D] 33 mm
Effective piston area [Sd] 8.5 cm2
Equivalent volume [Vas] 0.01 l
Sensitivity (2.83V/1m) 90 dB
Ratio Bl/ãRe 1.61 N/ãW
Ratio fs/Qts 1598 Hz
Electrical Data
Nominal impedance [Zn] 6 K
Minimum impedance [Zmin] 5.4 K
Maximum impedance [Zo] 10.9 K
DC resistance [Re] 4.7 K
Voice coil inductance [Le] 0.07 mH
Power Handling
100h RMS noise test (IEC 17.1)* 150 W
Long-term max power (IEC 17.3)* - W
*Filter: 2. order HP Butterworth, 2.5 kHz
Voice Coil and Magnet Data
Voice coil diameter 28 mm
Voice coil height 3.3 mm
Voice coil layers 2
Height of gap 2.5 mm
Linear excursion } 0.4 mm
Max mech. excursion } 1.5 mm
Unit weight 0.7 kg
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