- Article number
- 4-212/C8/25 HEX
- EAN
- 8785256846696
- Woofer Series
- Symphony II
- Woofer Type
- Bass-Midwoofer
- Nominal Diameter
- 4“
- Power Handling (RMS)
- 50 Watts
- Impedance (Z)
- 8 Ω
- Sensitivity (SPL at 1m / 2.83V)
- 88 dB
- Frequency Response
- 100 - 5400 Hz
- Voice Coil Diameter
- 25 mm
- DC Resistance (Re)
- 5,9 Ω
- Voice Coil Inductance (Le)
- 0,4 mH
- Resonant Frequency (Fs)
- 69 Hz
- Mechanical Q (Qms)
- 5.09
- Electromagnetic Q (Qes)
- 0.43
- Total Q (Qts)
- 0.39
- Moving Mass Of Diaphragm (Mmd)
- 6.2 g
- Mechanical Compliance of Suspension (Cms)
- 0.84 mm/N
- Surface Area of Cone (Sd)
- 55 cm²
- BL Product (BL)
- 5.8 Tm
- Compliance Equivalent Volume (Vas)
- 3.6 dm³
- Maximum Linear Excursion (Xmax)
- +/- 2 mm
- Driver's Mechanical Losses (Rms)
- 0,58 kg/s
- Voice Coil Wire Material
- Cu
- Voice Coil Former
- Kapton
- Overall Outside Diameter
- 181 mm
- Overall Depth
- 96.5 mm
- Baffle Cutout Diameter
- 150 mm
- Bolt Circle Diameter
- 169 mm
- # Mounting Holes
- 6
- Mounting Hole Diameter
- 5.2 mm