Onkyo has upgraded the features set of its most popular HDMI-1.3a-capable home theater receiver by adding 1080i video upscaling, two additional HDMI inputs to handle a total of four HDMI sources, ...
I've got an Onkyo TX-SR606 that produces subwoofer hum. I've tried two different subwoofers with the same results. I've purchased new cables to connect the subwoofer to the receiver with no change in ...