Scan Speak D 2904/980000 Aluminium Dome buy at hifisound.de

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D2904/980000

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 market still used in many top High-End speakers around the world.

Key features:

1" Aluminium Dome Diaphragm
Patented Symmetrical Drive (SD) motor
Wave Guide
Low Resonance Rear Chamber
Black Painted Alu Face Plate

Short data

Usage as	Tweeter
Power Handling	160 Watt
Impedance	4 Ohm

Frequency from	2200 Hz
Max. Frequency	22 kHz
Sound pressure	88 dB

Chassis-data

Overall dimensions	104.5 mm
Baffle cutout	73.5 mm
Depth (Total)	46 mm
Front material	Aluminium
Membrane Type	Dome
Membrane Material	Aluminium

Voice coil Ø	28 mm
Voice coil height	2.5 mm
Air gap height	2.5 mm

Thiele-Small-Parameter

Resonance fs	fs: 500 Hz
Mechanical Q	Qms: 3.09
Electrical Q	Qes: 0.84
Total Q	Qts: 0.66
Equivalent Air-Volumen	Vas: 0.02 Liter
DC-Resistance	Re: 3.5 Ohm
Coil Inductance	Le: 0.01 mH

Mech. Compliance	Cms: 0.20 mm/N
Moving Mass	Mms: 0.6 g
mech. Resistance	Rms: 0.61 kg/s-¹
Max. Excursion +/-	Xmax: 1.5 mm
BL Product	Bl: 2.8 N/A
Membrane Area	Sd: 8.5 cm²
Sound pressure	dB: 88 SPL

Frequency & Impedance

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