Quoted from dmarston:The famous parts supplier WICO sold a sound board in the 1970s whose purpose was to make EM games have the modern, up-to-date sound of first-generation solid-state games. Call it a "mod" if you wish.
.................David Marston
Did it come with a banner to put under the playfield glass? I've often wondered about this game:
Space Mission Electronic Sound (resized).jpg
/Mark