Bass-midrange speakers, 20 W, 8 Ω (/8) and 4 Ω (/4) Especially suitable for miniature speaker systems and column speakers. | Impedance (Z) | 4 Ω | | Transmission method | - | | Frequency range | f3-16,000 Hz | | Resonant frequency (fs) | 120 Hz | | Rec. crossov. frequ. (fmax.) (12 dB/oct.) | - | | Power rating | 20 W | | Peak music power output | 40 W | | Sensitivity | 88 dB/W/m | | Max. rated SPL | - | | Max. voltage | - | | Radiation angle, horizontal | - | | Radiation angle, vertical | - | | Suspension compl. (Cms) | 1.1 mm/N | | Moving mass (Mms) | 1.6 g | | Mech. Q factor (Qms) | 2.82 | | Electr. Q factor (Qes) | 0.68 | | Total Q factor (Qts) | 0.55 | | Equivalent volume (Vas) | 1.5 l | | DC resistance (Re) | 3.3 Ω | | Force factor (BxL) | 2.4 Tm | | Voice coil induct. (Le) | 0.1 mH | | Voice coil diameter | 19 mm | | Voice coil former | aluminium | | Linear excursion (XMAX) | ± 0.75 mm | | Eff. cone area (Sd) | 31 cm2 | | Magnet weight | 150 g | | Magnet diameter | Ø 70 mm | | Mounting cutout | Ø 72 mm | | Mounting depth | 43 mm | | Mounting hole diameter | Ø 84 mm | | Hole spacing X-axis | 59.5 mm | | Hole spacing Y-axis | 59.5 mm | | Dimensions | 78 x 78 x 43 mm | | Outside diameter | Ø 93 mm | | Width | 78 mm | | Height | 78 mm | | Depth | 43 mm | | Protective class | - | | Admiss. ambient temp. | 0-40 °C | | Weight | 0.412 kg | | Packing unit | 1 | | Type of speaker | 3" |
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