Dave Rodgers, better known as Delta 9, is a hardcore techno DJ/producer from Chicago.
The name "Delta 9" comes from delta-9-tetrahydrocannabinol (Δ9-THC), the main psychoactive substance found in the cannabis plant.
Delta 9 has been producing since 1994, starting with Deep 13 & The Hate Tank on Drop Bass Network Records. His many releases with Industrial Strength Records date back to 1995. Delta 9 is also owner of Psychotik Records, and has over 40 solo 12 inch releases (including under his alias The Imposters).
Delta 9 has appeared on over 200 compilations including the Thunderdome series, Hellraiser, Third Movement's Demolition, the Mystery Land series, and the Masters of Hardcore compilations. He has also done many remixes for bands including Corrosion of Conformity, Napalm Death, The Berzerker, Agoraphobic Nosebleed and Soil.
On January 18, 2008, Delta 9 announced that his new label, "Devil Times Nine" would start distributing his works through Sound&Base Music, starting with DTN1 in February, 2008.