Inofficial: Fairchild 670 Hardware Clones Collection
Nightshade - 670 - Heritage Herchild 670
Moonlight - RS660 - Chandler Limited RS660
Twilight - SA-670 - Stam Audio StamChild SA-670
Eclipse - 670M II - UnderTone Audio UnFairchild 670MII
Company: Acustica Audio