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2" Ultra-Thin Series Woofer
FSA021020-0300
Category -
Woofer
Characteristics -
Ultra-Thin Series
Aluminum Alloy Diaphragm
2" Ultra-Thin Series Woofer
FSA021020-0300
Category -
Woofer
Characteristics -
Ultra-Thin Series
Aluminum Alloy Diaphragm
Description
A double suspension(patented) driver, with elimination of the limits from traditional single suspension driver, resulted in more diverse and slim design. This 2 inch 3 ohm compact driver features dual rubber surround and black anodized Aluminum cone. The voice coil former and pole piece are vented hole so as to reduce air compression under high excursion conditions.
2" Ultra-Thin Series Woofer
FSA021020-0300
Category -
Woofer
Characteristics -
Ultra-Thin Series
Aluminum Alloy Diaphragm
Features
- 2", Steel Frame
- 1" CCAW Voice Coil, Aluminum Former
- Aluminum Cone, Dual Rubber Surround
- Neodymium Magnet Motor System
- Spider-less, Slim Design (Patented)
- Pole Piece Vent, Low Distortion (<3%)
Parameters
Size
Fs
Re
Sensitivity
Quality Factor
Rated Power
2 Inch
180 Hz
3 Ohms
81 dB
0.57 Qts
10 W
Description
A double suspension(patented) driver, with elimination of the limits from traditional single suspension driver, resulted in more diverse and slim design. This 2 inch 3 ohm compact driver features dual rubber surround and black anodized Aluminum cone. The voice coil former and pole piece are vented hole so as to reduce air compression under high excursion conditions.
T-S Parameters | |
---|---|
Resonance frequency [fs] | 180 Hz |
Mechanical Q factor [Qms] | 2.553 |
Electrical Q factor [Qes] | 0.733 |
Total Q factor [Qts] | 0.570 |
Force factor [Bl] | 3.531 Tm |
Mechanical resistance [Rms] | 1.483 kg/s |
Moving mass [Mms] | 3.813 g |
Compliance [Cms] | 0.266 mm/N |
Effective diaph. diameter [D] | 45 mm |
Effective piston area [Sd] | 15.9 cm² |
Equivalent volume [Vas] | 0.0952 l |
Sensitivity (2.83V/1m) | 81 dB |
Ratio Bl/√Re | 2.27 N/√W |
Ratio fs/Qts | 277.36 Hz |
Electrical Data | |
---|---|
Nominal impedance [Zn] | 3 Ω |
Minimum impedance [Zmin] | 2.8 Ω |
Maximum impedance [Zo] | 6.53 Ω |
DC resistance [Re] | 2.41 Ω |
Voice coil inductance [Le] | 0.161 mH |
Power Handling | |
---|---|
100h RMS noise test (IEC 18.4) | 10 W |
Long-term max power (IEC 18.2) | - W |
Voice Coil & Magnet Data | |
---|---|
Voice coil diameter | 25.4 mm |
Voice coil height | 7.0 mm |
Voice coil layers | 4 |
Height of gap | 2 mm |
Linear excursion | ± 2.5 mm |
Max mech. excursion | ± 3.5 mm |
Unit weight | 0.091 kg |

