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| 23x27 Piezoelectric Speaker |
| f0=1000¡À10%Hz, S.P.L.=84dB (2Vrms, 60mm, average value in the frequencies from 1kHz to 3kHz), T.H.D.<10% (2Vrms, 60mm), rated voltage=2Vrms. |
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| PS46 Piezoelectric Speaker |
| f0=500¡À10%Hz, S.P.L.=88dB (1.5Vrms, 60mm, average value in the frequencies from 1kHz to 3kHz), T.H.D.<10% (2Vrms, 60mm), rated voltage=2.5Vrms. |
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| Portable Audio Power Amplifier |
| Introduction |
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