Yamaha

Everyone knows that Yamaha sold (and continues to sell) home audio receivers, but they also sold a handful of portables, including:

Yamaha AST-C20
Yamaha AST-C25
Yamaha AST-C30
Yamaha CC-70
Yamaha CC-101
Yamaha GX-500
Yamaha MCR-140
Yamaha MDP-10
Yamaha MDP-30
Yamaha PC-6
Yamaha PC-8
Yamaha PC-9
Yamaha TSX-112
Yamaha YST-C10
Yamaha YST-C11