Hi-fi full range speaker, 20 W, 8 Ω Excellent sound quality High-quality paper cone Wooden phase plug for optimising the radiation Rear-ventilated centering spider Magnet system with shielding Application in small speakers or satellite systems Ideally suited for application in FAST speakers (full range and subwoofer technology) HOBBY HiFi 03/2012 "Audiophile characteristics due to paper cone and solid wooden phase plug." Impedance (Z): 8 Ω Operating voltage: - Frequency range: f3-22,000 Hz Resonant frequency (fs): 110 Hz Rec. crossov. frequ. (fmax.) (12 dB/oct.): - Power rating: 20 W Peak music power output: 40 W Sensitivity: 88 dB Max. rated SPL: - Max. voltage: - Radiation angle, horizontal: - Radiation angle, vertical: - Suspension compl. (Cms): 1.11 mm/N Moving mass (Mms): 1.7 g Mech. Q factor (Qms): 7.66 Electr. Q factor (Qes): 0.60 Total Q factor (Qts): 0.56 Equivalent volume (Vas): 1.6 l DC resistance (Re): 6.6 Ω Force factor (BxL): 3.69 Tm Voice coil induct. (Le): 0.18 mH Voice coil diameter: Ø 20 mm Voice coil former: Kapton Linear excursion (XMAX): ±1.1 mm Eff. cone area (Sd): 32 cm2 Magnet weight: 99 g Magnet diameter: Ø 68 mm Mounting cutout: - Mounting depth: - Mounting hole diameter: - Hole spacing X-axis: - Hole spacing Y-axis: - Dimensions: Ø 93 mm x 55 mm Outside diameter: Ø 93 mm Width: Ø 93 mm Height: - Depth: 55 mm Protective class: - Admiss. ambient temp.: 0-40 °C Weight: 0.52 kg Sales unit: 1 Type of speaker: - Warranty: 3 years