Yamaha Digital Yamaha Hifi Yamaha CT 400 Yamaha Yamaha Yamaha CA 600 Yamaha Natural Yamaha HI-FI - Yamaha B-2 Yamaha YP 400 Yamaha Hifi Yamaha Yamaha Yamaha Hifi Yamaha Die Yamaha CR 600 Yamaha DSP-1 Yamaha HiFi - Yamaha NS-1000 Yamaha Yamaha Natural Yamaha CA 400 Yamaha CT 600 Yamaha DSP Yamaha Natural Yamaha CT 800 Yamaha Yamaha Yamaha DSP Yamaha NS-1000 Yamaha X-Power Yamaha CA 800 Yamaha YP 800 Yamaha Titanium Yamaha Yamaha DSP-100 Yamaha Yamaha Digital Yamaha CR-620