

Nowadays, some people prefer them for drums or bass. These EQs at times can sound a little bit gritty. Even when they are turned down all the way, it still passes through the circuit. The downside of the BROWN EQ section is that you can’t turn off the filters.

High-pass and Low-pass filters are 12dB per octave. The slope of the sides of the Bell or the Shelf alter with the degree of cut/boost (+/-15dB). It has 4 bands with sweepable Q on the mids and Bell/Shelf switches on the LF and HF. You can identify this EQ by the brown LF knobs. Despite certain rumours these equalisers only came in one version. This is the original SSL EQ fitted to all consoles prior to the summer of 1985. Providing them as much flexibility as they could want, customers could purchase a combination of these channel strips in their consoles. But what has colour to do with sound? The fact is that between 19, SSL used different colours of EQs to define specific sound characteristics.

Whenever you mention the SSL EQ to someone in the industry, they will ask “which colour?”. But what makes their ‘classic’ equalizers so special? In this blog article we give you some insights. Hence the reason they are a popular target for virtual emulations and plugins. These desks are still commonly found in studios all around the world, known for their unique and punchy sound. At Abbey Road Institute Amsterdam, we have an SSL 8000 desk with SSL 4000 channel cards. Many popular artists use SSL, such as Dr Dré, Peter Gabriel (partly owner of SSL), Sting and Nine Inch Nails. Sacred places where many legendary hits have been recorded. SSL or Solid State Logic for many it stands for the big recording studios in the 70’s, 80’s and 90’s.
