Effective period / Period of releases: 2007

Members: Steve Freeman, Alan Freeman, Jim Tetlow, Chris Conway (2), Simon Styring, Julian Broadhurst

A collective of improvising musicians from Leicester, UK.
Alongside other releases documenting "Improv Electronic" events during 2007 at the Bambu bar by Alto Stratus, Endgame, and Triax (2) the Impromptu Electronic moniker served as a vehicle for collecting other diverse collaborations and jams.
After this the event moved to Quad Studios lobby performance area under the new name Quadelectronic.