a) Diode
b) Op-amp
c) Vacuum tubes
d) SCR
Which device was used for the amplification of audio signals before the invention of power amplifiers?
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
Which device was used for the amplification of audio signals before the invention of power amplifiers?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!