API 550b 500 Series 4-band Equalizer

A detailed overview of the API 550b 500 Series Modular 4-band Equalizer. This equalizer is designed to be a modern version of a classic music recording tool that played a significant role in the music industry during the 1960s and 70s. Here’s a summary of the key points you mentioned:

Historical Significance:

The API 550 EQ was important in the history of music recording in the USA in the 60s and 70s. The API 550b is a modern version that continues the legacy of the original 1967 550 model.

Features

• 4 bands of iconic API equalization for precision sound shaping.
• Each band includes 7 carefully chosen API frequency centers.
• Reciprocal and repeatable filtering for consistent results.
• 12dB boost/cut per band for powerful tonal adjustments.
• EQ Bands 1 and 4 feature shelf/peak switching for versatile control.