Visaton K 20.40 rectangular miniature speaker Rectangular miniature speaker. Universally applicable in Allen devices where there is little space available. Applications: - Language and signal output in devices and systems indoors and outdoors. Characteristics: - plastic basket - UV-resistant Technical data Nominal load capacity 1 W Music resilience 2 W Nominal pedance z 8 ohms Transfer area (-10 db) 400–20000 Hz Medium sound pressure level 79 db (1 W/1 m) Border deflection +/- 0.5 mm Resonance frequency FS 650 Hz Upper pole plate height 1 mm Vibration diameter 12 mm Sound wall opening 38 x 18 mm Weight net 0.007 kg Connections Soldering IP protection class IP 64 *) Temperature range −40 ... 85 ° C.
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