4" speaker - 30W 8 ohm Ø127mm

Features:

• Robust paper cone
• High-quality aluminium coil
• Drilled pole core
• Rubber surround
• Excellent radiation and transient response

Specifications:

• Impedance: 8 Ohm
• Frequency range: 3-7,000 Hz
• Resonant frequency (fs): 61 Hz
• Power rating: 30 W
• Peak music power output: 60 W
• Sensitivity: 88 dB/W/m
• Suspension compl. (Cms): 1.23 mm/N
• Moving mass (Mms): 5.5 g
• Mech. Q factor (Qms): 2.28
• Electr. Q factor (Qes): 0.44
• Total Q factor (Qts): 0.37
• Equivalent volume (Vas): 4.7 l
• DC resistance (Re): 6.5 ?
• Force factor (BxL): 5.55 Tm
• Voice coil induct. (Le): 0.4 mH
• Voice coil diameter: Ø 25 mm
• Voice coil former: aluminium
• Linear excursion (XMAX): ± 2.5 mm
• Eff. cone area (Sd): 52 cm²
• Magnet weight: 280 g
• Magnet diameter: Ø80 mm
• Mounting cutout: Ø103 mm
• Mounting depth: 62.2 mm
• Mounting hole diameter: Ø114.5 mm
• Hole spacing X-axis: 81 mm
• Hole spacing Y-axis: 81 mm
• Dimensions: 106 x 106 x 63
• Outside diameter: Ø127 mm
• Width: 106 mm
• Height: 106 mm
• Depth: 63 mm
• Admiss. ambient temp.: 0...40 °C
• Weight 0.8 kg