The group will release one track per fortnight on download and seven-inch through their own label Atomic Heart Records, starting with 'True Love 1980' on September 26.
The move comes after the group announced that their 2007 record Twilight Of The Innocents would be their last conventional album.
"We wanted to be the first people to do it like this. This is a time when you can try new ideas and it can work," frontman Tim Wheeler told NME.
The releases will form part of a collection called The A-Z Series.
Ash release new song 'Return Of The White Rabbit' as a free download from their website on June 8.