Onkyo TX-SR606 Receiver "cracking sounds ear" Questions

Onkyo tx-sr606 receiver buzz i have an Onkyo tx-sr606 receiver. 5 to 10 minutes after turning the unit on, it starts to buzz and get louder with time. It does this with or without components or ...

Is there an incompatibility between Onkyo 606 and KEF Wireless? I use an Onkyo 606 with KEF 3005SE and KEF Wireless system. When in standby I get a low hum which isn't there at all when teh system is ...

doesn't help, try another fiber cable. Since they are glass fiber, they are subject to crushing and cracking from being kinked or bent too sharply If that doesn't work, try the coax digital connection