FSB523070-7402
FSB523070-7402
Standard
7" Paper Cone Woofer

FSB523070-7402

Feature
7", Steel Frame
1.0" PESVW Voice Coil, Polyimide Former
Paper Cone, Cloth surround
Ferrite Magnet Motor System
Size
7.00 Inch
Fs
65.0 Hz
Re
4 Ohms
Sensitivity
91.00 dB
Quality Factor
0.810 Qts
Rated Power
5 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 7 inch 4ohm transducer, it is a Woofer features 1.2inch voice coil with PESVW. In term of suspension system, cone is consisted by Paper Cone body with Cloth surround and spider is consisted by NC. In term of magnetic motor system, magnet is consisted by Ferrite material. It can be used on HIF audio.

Family
Range

T-S Parameters
Resonance frequency [fs] 65.7 Hz
Mechanical Q factor [Qms] 16.2
Electrical Q factor [Qes] 0.85
Total Q factor [Qts]  0.81
Force factor [Bl] 5.2 Tm
Mechanical resistance [Rms] 0.39 kg/s
Moving mass [Mms]  15.4 g
Compliance [Cms] 0.38 mm/N
Effective diaph. diameter [D]  144 mm
Effective piston area [Sd] 162.8 cm²
Equivalent volume [Vas] 14.24 l
Sensitivity (2.83V/1m)  91 dB
Ratio Bl/√Re 1.2 N/√W
Ratio fs/Qts 80.7 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.9 Ω
Maximum impedance [Zo] 35 Ω
DC resistance [Re] 3.6 Ω
Voice coil inductance [Le]  0.35 mH
Power Handling
100h RMS noise test (IEC 17.1) 5 W
Long-term max power (IEC 17.3) 60 W
Voice Coil & Magnet Data
Voice coil diameter 25.4 mm
Voice coil height 9.3 mm
Voice coil layers 2
Height of gap 5 mm
Linear excursion ± 2.15 mm
Max mech. excursion ± - mm
Unit weight 1.1 kg

 

FSB523070-7402

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