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4.5'' woofer 0.75'' Tweeter Passive In Ceiling Speaker 10W RMS 20W Peak Power Portable Audio Home Theater System Wall Speaker|Public Address System/Installation Sound| - AliExpress
![Power signal: (a) at 120 V RMS (169.7 V peak value) and at frequency of... | Download Scientific Diagram Power signal: (a) at 120 V RMS (169.7 V peak value) and at frequency of... | Download Scientific Diagram](https://www.researchgate.net/profile/Svetozar-Popovic/publication/273315231/figure/fig6/AS:287768824565793@1445620842760/Power-signal-a-at-120V-RMS-1697V-peak-value-and-at-frequency-of-60Hz-that-is.png)