Standard
					
								5.25” Paper Cone Subwoofer
      
				FSB523054-5404
Features
								5.25”, Steel Frame
              1” PESVW Voice Coil, Aluminum Former
              Paper Cone, Rubber Surround
              Strong Ferrite Magnet Motor System
              Linear Spider
              VC Former and Basket Vent, Low Distortion(<3%)
          Parameters
										Size
													5.25 Inch
												Fs
													65 Hz
												Re
													3.9 Ohms
												Sensitivity
													88 dB
												Quality Factor
													0.67 Qts
												Rated Power
													30 W
												This is a 5.25 inch 4 ohm driver, it is a Subwoofer features 1 inch voice coil with PESVW. In term of suspension system, cone is consisted by Paper Cone body with NBR surround and spider is consisted by NC. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on active Subwoofer model.
Family
              
          Range
              
          | T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 67 Hz | 
| Mechanical Q factor [Qms] | 8.6 | 
| Electrical Q factor [Qes] | 0.72 | 
| Total Q factor [Qts] | 0.67 | 
| Force factor [Bl] | 6.65 Tm | 
| Mechanical resistance [Rms] | 0.94 kg/s | 
| Moving mass [Mms] | 19.27 g | 
| Compliance [Cms] | 0.29 mm/N | 
| Effective diaph. diameter [D] | 110 mm | 
| Effective piston area [Sd] | 95 cm² | 
| Equivalent volume [Vas] | 3.74 l | 
| Sensitivity (2.83V/1m) | 88 dB | 
| Ratio Bl/√Re | 3.36 N/√W | 
| Ratio fs/Qts | 100 Hz | 
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 4 Ω | 
| Minimum impedance [Zmin] | 3.91 Ω | 
| Maximum impedance [Zo] | 36 Ω | 
| DC resistance [Re] | 3.9 Ω | 
| Voice coil inductance [Le] | 0.51 mH | 
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 30 W | 
| Long-term max power (IEC 18.2) | - W | 
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 25.4 mm | 
| Voice coil height | 9.8 mm | 
| Voice coil layers | 4 | 
| Height of gap | 5 mm | 
| Linear excursion | ± 2.4 mm | 
| Max mech. excursion | ± - mm | 
| Unit weight | 0.703 kg |