This first circuit is a very simple one transistor voltage follower. Consist of two biasing resistors, and one other resistor at the emitter to acquire the output voltage from.
The first to resistors connected to the transistor’s base are forming a voltage divider, in order to set a biasing point for the transistor to work in [...]
Capable of 2kW peak and a minimum of 1.5kW continuous, it has to be said that this amplifier will blow up any speaker connected to it. Regardless of the claimed power that various drivers can handle, they can’t. To put this whole issue into perspective, take the most powerful and robust driver you can (8 [...]
At a recent RASON meeting, I gave a presentation of how to design audio preamplifiers. I thought it would be nice if we could now build some audio amplifiers to bring the output from these preamplifiers to levels which could drive a speaker. I intentionally avoided the use of IC amplifiers to provide a real [...]
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