Assertion: speaker | /r/HasProperty | zimpedance
Facets:
Source sentences:
text: At fundamental resonance (Fs) a reactive effect called Back EMF, causes the speaker (Z) Impedance to rise many times.
text: At Fs fundamental resonance the speaker Z impedance could be 32&Omega Ohm, and with 2.83 Volt this would be 1/4 of a Watt.