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Scan speak Tiefmitteltöner 18w/8535-01 Classic
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Scan speak Tiefmitteltöner 18w/8535-01 Classic ($19)

Located in Stockerau (2***)

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SCAN SPEAK Tiefmitteltöner 18W/8535-01 Classic
The 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.


. 1½" Textile Dome Diaphragm

. Patented Symmetrical Drive (SD-2) motor

. Black Paineted Alu Face Plate

. Optimized for Upper Midrange

. Low Resonant Rear Chamber

T-S Parameters

Resonance frequency [fs] 450 Hz

Mechanical Q factor [Qms] 0.93

Electrical Q factor [Qes] 1.00

Total Q factor [Qts] 0.48

Force factor [Bl] 3.6 Tm

Mechanical resistance [Rms] 2.44 kg/s

Moving mass [Mms] 0.8 g

Suspension compliance [Cms] 0.16 mm/N

Effective diaph. diameter [D] 42 mm

Effective piston area [Sd] 14 cm2

Equivalent volume [Vas] 0.04 l

Sensitivity (2.83V/1m) 89 dB

Ratio Bl/ãRe 1.51 N/ãW

Ratio fs/Qts 938 Hz

Electrical Data

Nominal impedance [Zn] 6 L

Minimum impedance [Zmin] 6.3 L

Maximum impedance [Zo] 11.0 L

DC resistance [Re] 5.7 L

Voice coil inductance [Le] 0.04 mH

Power Handling

100h RMS noise test (IEC 17.1)* 100 W

Long-term max power (IEC 17.3)* - W

*Filter: 2. order HP Butterworth, 1 kHz

Voice Coil and Magnet Data

Voice coil diameter 38 mm

Voice coil height 3.2 mm

Voice coil layers 2

Height of gap 2.5 mm

Linear excursion } 0.4 mm

Max mech. excursion } 1 mm

Unit weight 1.1 kg

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