Denon PMA-550

Specs

2x100W@8Ω/20-20000Hz,

2x2 Toshiba 2SA1146 2SC2706 power transistors,

2x22000µF Nippon Chemicon filter caps,

Nippon Chemicon, Elna components,
toroidal power transformer,

phono mm/mc,
mm 434x132x407, kg 13,5.

Cambridge Audio 540P

Specs

mm,
2x TI NE5532P op amps,
Acon (?), Xunda (?), Lh.Nova (?) components,

mm 215x46x133, kg 0,8.

Sony CDP-790 (E Model)

Specs

1bit Pulse conversion,

Sony CXD2552Q / CXD2554P dac / filter,

Sony KSS-240A transport / pickup,

Elna components,

Sony RM-D490 remote,

S/N ≥ 102 dB,

dynamic range ≥ 97 dB,

channel separation ≥ 100 dB,

20-20000 Hz ± 0,3 dB,

harmonic distortion ≤ 0,003%,

mm 430x110x280, kg 4,5.

Similar: Sony CDP-209ES (US Model).