Amplifiers and loudspeakers go together like peas and carrots. It is only natural that a loudspeaker testing service also be involved in amplifier testing. Using only power ratings, amplifiers that are very different can appear to be the same. There’s much more to it than that.
- What are the important metrics?
- What’s the most meaningful way to present them?
- What differentiates one amplifier from another?
This led to the development of the Common Amplifier Format – “CAF”