[walth]

Originally Posted by Bob Olhsson

Quad-Eight was the second high-end recording console manufacturer in the United States that was started by some of the engineers from Electrodyne which had been the first. After several years as the leading console manufacturer, API took over most of their market because we all LOVED the 550 equalizer which was the first really first class console equalizer.

Deane Jensen left Quad-Eight to manufacture upgrade opamps and transformers for API consoles because many people considered the basic API signal path to be a significant step down from Quad-Eight.

cool historical info