FSISD1550-0401
FSISD1550-0401
FSISD1550-0401
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5.25" Ultra-Thin Series Woofer

FSISD1550-0401

Feature
5.25", Plastic Frame
1" CCAW Voice Coil, Al Former
Aluminum Cone, Rubber Surround
Aluminum Dust Cap
Slim Design
Pole Piece Vent, Low Distortion(<3%)
Size
5.25 Inch
Fs
73.3 Hz
Re
4 Ohms
Sensitivity
85.00 dB
Quality Factor
0.508 Qts
Rated Power
15 W
  • Description
  • Simulation
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

5.25” 4ohm Sub-woofer driver, with dual rubber surround and black anodized Aluminium cone. A double suspension(patent) loudspeaker, with elimination of the limits from traditional single suspension loudspeaker, resulted in more diverse and slim design.The voice coil former and pole piece are vented hole so as to reduce air compression under high excursion condition.

Family
Range
Characteristics
FSISD1550-0401

T-S Parameters
Resonance frequency [fs] 73.6 Hz
Mechanical Q factor [Qms] 4.488
Electrical Q factor [Qes] 0.573
Total Q factor [Qts]  0.508
Force factor [Bl] 6.807 Tm
Mechanical resistance [Rms] 1.695 kg/s
Moving mass [Mms]  16.453 g
Compliance [Cms] 0.284 mm/N
Effective diaph. diameter [D]  104 mm
Effective piston area [Sd] 84.95 cm²
Equivalent volume [Vas] 2.9028 l
Sensitivity (2.83V/1m)  85 dB
Ratio Bl/√Re 3.644 N/√W
Ratio fs/Qts 144.88 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.3 Ω
Maximum impedance [Zo] 27.173 Ω
DC resistance [Re] 3.49 Ω
Voice coil inductance [Le]  0.712 mH
Power Handling
100h RMS noise test (IEC 17.1) 15 W
Long-term max power (IEC 17.3) 20 W
Voice Coil & Magnet Data
Voice coil diameter 25.4 mm
Voice coil height 12.9 mm
Voice coil layers 4
Height of gap 6 mm
Linear excursion ± 3.45 mm
Max mech. excursion ± - mm
Unit weight 0.65 kg

 

FSISD1550-0401

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