Schematic of an electrostatic speaker set-up in Vietnamese.
<a href="https://vi.wikipedia.org/wiki/User:L%C6%B0u_Ly" class="extiw" title="vi:User:Lưu Ly">Lưu Ly</a> at <a href="https://vi.wikipedia.org/wiki/" class="extiw" title="vi:">vi.wikipedia</a>
17 November 2007 (original upload date)
<span class="int-own-work" lang="en">Own work</span><br>Transferred from <a href="https://vi.wikipedia.org/wiki/" class="extiw" title="vi:">vi.wikipedia</a>