power amplifier
By ajaay27
@ajaay27 (2)
India
3 responses
@Noodles818 (8)
• Philippines
2 May 07
Power Amplifiers in audio electronics are used to amplify audio signals. A perfect power amp should only increase the amplitude of the input signal without changing it's waveform.
@commonmode (79)
• Hong Kong
6 Jan 07
It increases the power of the incoming siganl. Example: Y u need Speakers for PC if have inbuilt PC speakers.
