Philips RH 720

Specs

4 band tuning,

FM preset touch sensor, AFC,

2x30W@4Ω,
Philips components,

mm 540x117x280, kg 14,0. 

RFT Ziphona HSV 921

Specs

2x25W@4Ω/30-20000Hz,

2200/4700µF Frolyt caps,

dual core power transformer,

5-pin DIN 41524 source in/out,
DIN 41529 speakers out,

mm 418x90x336, kg 7,5. 

Pioneer A-300X

Specs

2x40W@8Ω/20-20000Hz,
4x power transistors,

2x6800µF Nichicon LQ filter caps,
Elna Duorex / RE2, Panasonic AU, Nippon Chemicon NX-V, Nichicon components,

mm 430x130x360, kg -,-.