Onkyo A-9050 Yamaha A-S301 Cambridge Audio Topaz AM10
General
Weight 8.2kg18.08 lbs 9kg19.84 lbs 5.6kg12.35 lbs
Dimensions (W x H x D) 435 x 139 x 330.3 mm17.13 x 5.47 x 13 in 435 x 151 x 387 mm17.13 x 5.94 x 15.24 in 430 x 76 x 340 mm16.93 x 3 x 13.39 in
Amplifier
Power Output (8Ω x 2) 75WFTC, minimum continuous power, 1kHz 60WMinimum RMS Output Power, 20 Hz-20 kHz 35W
Power Output (6Ω x 2) 70WMinimum RMS output power, 20 Hz-20 kHz, 0.038% THD
Power Output (4Ω x 2) 65WFTC, minimum continuous power, 1kHz
Total Harmonic Distortion 0.08%8Ω, 1kHz, FTC minimum continuous power per channel 0.019%50 W / 8 ohms 0.01%8Ω, 1kHz, 80% of rated power0.15%8Ω, 20Hz - 20kHz, 80% of rated power
Frequency Response 10Hz – 100kHz / +1dB, -3dBLINE1 5Hz – 50kHz / +3dB, -3dB
Damping Factor 608Ω, 1kHz, Front 2108Ω, 1kHz 50
Inputs
Analog Audio
  RCA Stereo 4 inputsrear 5 inputsrear 4 inputsrear
  Phono (RCA+Ground) MMrear 1rear 1rear
  3.5mm Stereo Jack 1 inputfront 1 inputfront
Digital Audio
  S/PDIF Coaxial 2 inputsrear 1 inputrear
  TOSLINK Optical 1 inputrear 1 inputrear
Outputs
Analog Audio
  Speakers 2 outputsrear 2 outputsrear 1 outputrear
  Headphones 1/4" 1/4" 1/4"
  Preamp 1 ouputRCA