Test Your Knowledge of Audio Equalizers
True or false: An audio equalizer is so-named because it's intended to ?equalize? the output relative to the input of a circuit. If you think you know, take our test.
- An audio equalizer is so-named because it's intended to “equalize” the output relative to the input of a circuit.
- The first variable equalizers were used by Bell Labs in early telephone systems.
- One of the inventors of the first 1/3-octave variable equalizers was Syn-Aud-Con founder Don Davis.
- Passive equalizers always reduce overall signal level, even when “boosting” specific frequencies.












