Pioneer HPM-70

Specs
4-way configuration,
bass reflex via front-firing paper port,
cone woofer Pioneer 25-737B 250mm, textile surround,
cone midrange Pioneer 10-726B 100mm, textile surround,
cone tweeter Pioneer 45-711C 45mm, textile surround, 

high polymer convex film supertweeter Pioneer HP-015B,

high & mid level control,
60-120W@8Ω,
35-25000Hz ±?dB,
sens. 92,5dB.
mm 350x610x321, kg 17,5.

Marantz CD-42

Specs
1bit bitstream conversion,
Philips SAA7350GP - NPC SM5840FP dac / filter,
  Philips CDM-4/19 transport,
Panasonic, Nichicon, Nichicon Muse components,
S/N > 100 dB,
dynamic range > 90 dB,
2–20000 Hz ± 0,3 dB,
harmonic distortion < 0,0064%,
mm 420x100x284, kg 4,4.

Pioneer HPM-500

Specs
3-way configuration,
bass reflex via front-firing port,
polymer graphite cone woofer Pioneer 25-750A 250mm, foam surround,
polymer graphite cone midrange Pioneer 45-717A 45mm, textile surround,
high polymer film tweeter Pioneer HP-018A-5,

high range level control,
40-80W@8Ω,
35-50000Hz ±?dB,
sens. 91dB.
mm 325x570x317, kg 12,2.

Grundig HiFi-Box 600

vecchie foto...

Specs

3-way configuration,

closed box,

paper cone woofer Grundig 19064-004.01 175mm, rubber surround,

dome midrange Grundig 19055-012.11,

dome tweeter Grundig 19085-013.01,

40W@4Ω,
40-26000 Hz ± ? dB,
sens. -- dB.
mm 230x390x210, kg 7,1.

Sony CDP-C615

Specs
5 disc multi,
1bit conversion,
Sony CXD2561M C-Pulse? - CXD2560M? dac / filter,
CDM16E2-5BD3 / KSS-240A transport / pickup,
dsp,
S/N > 100 dB,
dynamic range > 98 dB,
2–20000 Hz ± 0,5 dB,
harmonic distortion < 0,004% @ 1 kHz,
mm 430x125x385, kg 6.