Gradient No Ferro 900 Softdome Tweeter buy at hifisound.de

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Gradient No Ferro 900 Softdome Tweeter

This very fast dome without ferrofluid in the air gap with a resonant frequency of only 900 Hz is manufactured in a special selection process. Based on our requirements and ideas, the tweeter has been produced for us by Seas for many years.

In terms of sound, the tweeter is still a sensation today, since usually only much more expensive domes have this sovereign, musical potential, which can convince with the best linearity.
Area of application: Use from 1800 Hz with 12 dB/oct in systems with the highest demands. The NoFerro900 has been used in many kits and has lost none of its quality.

Technical Data:

Impedance: 8 ohms
Load capacity (nominal/music): 60 / 150 watts
Resonant frequency (fs): 900 Hz
DC resistance (Re): 4.8 ohms
Sensitivity: 92 dB (1W; 1m)
Air gap height: 2.0 mm
Voice coil (D; length): 26 mm; 1.5mm
Force Factor (F/I): 3.80 N/A
Voice coil inductance 0.05 mH
Effective membrane area: 7.60 qcm
Moved mass including air load: 0.29 g

Short data

Usage as	Tweeter
Power Handling	60 Watt
Impedance	8 Ohm

Frequency from	1500 Hz
Sound pressure	92 dB

Chassis-data

Voice coil Ø	26 mm
Voice coil height	1.5 mm

Thiele-Small-Parameter

DC-Resistance	Re: 4.8 Ohm

Moving Mass	Mms: 0.29 g
BL Product	Bl: 3.8 N/A
Membrane Area	Sd: 7.6 cm²
Sound pressure	dB: 92 SPL

Frequency

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