Visaton FRS 7 8 ohm 6.5 cm (2.5") full range speaker 15 watts with balanced frequency response and very good high frequency content. Particularly suitable as a built-in loudspeaker for music playback and for equipping ELA lines. Unusually high efficiency for the size. Control speakers for electronic devices Electronic musical instruments 100 °C temperature resistant Frequency range (-10 dB) 200–20000 Hz Average sound pressure level 88 dB (1 W/1 m) Beam angle (−6 dB) 149°/4000 Hz Resonance frequency fs 220 Hz Upper pole plate height 2 mm Mechanical Q-factor Qms 3.21 Electrical Q-factor Qes 1.96 Equivalent air compliance volume Vas 0.3 l Effective membrane area Sd 22 cm² Dynamic moving mass Mms 0.8 g Voice coil inductance L 0.3 mH Connectors 2.8 x 0.5 mm (+)/2.8 x 0.5 mm (-) Temperature rang.
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