Solid State Logic SL 4000

The Solid State Logic SL 4000 is a series of large-format analogue mixing consoles designed and manufactured by Solid State Logic (SSL) from 1976 to 2002. 4000 Series consoles were widely adopted by major commercial recording studios in the 1980s. In 2004, the SL 4000 was inducted into the TECnology Hall of Fame, an honor given to "products and innovations that have had an enduring impact on the development of audio technology."