Philips RH 720

Specs

4 band tuning,

FM preset touch sensor, AFC,

2x30W@4Ω,
Philips components,

mm 540x117x280, kg 14,0. 

Kenwood Model 600 (Supreme Series)

Specs

dual mono,

130Wx2@8Ω/20-20000Hz,

4x2 Sanken 2SC1116A 2SA747A power transistors,

4x18000µF Elna filter caps,
44 steps Alps volume pot,

mm 440x154x388, kg 21,3.

Kenwood Model 500 (Supreme Series)

Specs

dual mono,

2x100W@8Ω/20-20000Hz.

4x2 Sanken 2SC1116A 2SA747A power transistors,

4x15000µF Elna filter caps,
44 steps Alps volume pot,

mm 440x154x388, kg 20,2.

Kenwood KA-1400B

Specs

2x17W@8Ω/20-20000Hz,
Rubycon components,

mm 370x125x252, kg -,-.

Harman Kardon 330B

Specs
2x18W@8Ω/20-20000Hz,
4x Toshiba C1107 power transistors,
1x2200 Elna filter cap,
Elna, Panasonic components,
am/fm tuning,
pre out,
phono mm,
mm 387x114x330, kg 9,5.