Vendo receptor AV Onkyo TX-SR701e funciona perfectamente, en su día me costo cerca de los 800€, potencia y calidad.
El precio es de 120€ puesto ya en casa.

100 watts x 6 into 8 ohms (20-20,000 Hz) at 0.08% THD
THX Surround EX, Dolby Digital EX, DTS-ES and Pro Logic II decoding
DTS Neo:6 modes
dual 32-bit processors
dual-room/dual-source audio output (powered speaker-level and preamp-level stereo audio output for second room)
Wide Range Amplifier Technology
pure audio mode
composite-to-S-video conversion
CinemaFILTER (adjusts tonal characteristics of soundtracks recorded for movie theaters for a home theater setting)