API 550b Discrete 4-Band Equalizer Live Sound Monitoring The A2D Analog section consists

The A2D Analog section consists of the circuitry contained in two 312s

The ML4 crossover page shows the overall frequency response in real time of the input

The STC-8 requires 2 rack spaces

Maximum output is +25 dBm

API 550b Discrete 4-Band Equalizer Live Sound Monitoring The A2D Analog section consistsAPI 550b Discrete 4 Band EQ So many hit records still depend on the unique 550 sound that engineers around the world find it to be an invaluable tool. In fact, the 550b design has been taken from the original blue prints and spec control drawings from the API archives. It is unlike any other EQ you will ever use. Rather than offer a huge assortment of complex features, the API 550b provides exactly the right number of controls. Its four EQ bands are