Sony STR-DE497 (CEL area)

Specs

50Wx5@8Ω/20-20000Hz,

 80Wx5@8Ω/1kHz,

10 Sanken MP1620 MN2488 power transistors,

2x4700µF Nichicon VR Gold filter caps,

Elna, Jamicon SK, Lelon components,

DPL/DPLII/DD/DTS codec,

AKM AK4628VQ 2ch/24bit/96kHz adc, 8ch/24bit/192kHz dac,

Sony CXD9617R 32bit dsp,

Sony RM-U306B remote,

fm/am tuning,

mm 430x145x310, kg 7,5.

Infinity Reference 41 mkII

Specs
3-way configuration,
bass reflex via rear-firing port,
treated paper cone woofer Infinity 9747150 200mm, foam surround,

treated paper cone midrange Infinity 9747050 100mm, foam surround, polystyrene chamber,
gold metal plated dome tweeter Infinity 9747010 10mm,

10-125W@6Ω,
50-20000Hz ±3 dB,
sens. 90 dB,
mm 254x580x307, kg 14,5.

Chario Academy 1 (outside only)

Specs
2-way configuration,
bass reflex via rear-firing port,
noeflex cone midwoofer 130mm, rubber surround

soft dome tweeter 29mm,

50-100W@8Ω,
50-20000 ±2 dB,

sens. 81,5 dB,

mm 205x340x315, kg 9,0.