John Loder, English sound engineer and producer, founded Southern Studios (born 1946)

John F. Loder was an English sound engineer, record producer and founder of Southern Studios, as well as a former member of EXIT and co-founder of the Southern Records distribution company with his wife Sue. He was also the studio engineer of choice for Crass and Crass Records, and was often considered to be the band's "ninth member".

Southern Studios is a recording studio in the Wood Green area of London. It was founded in 1974 by John Loder, and came to be the recording studio of choice for Crass and their record label Crass Records. Southern Studios Ltd. continues to grow its label and provide label management and distribution services throughout Europe.