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I just bought a Sony Receiver (STR-DG600) and set it up last night. It sounds great (especially for how inexpensive it is), but has an annoying 1 Hz "tick" coming through all 7 speakers with all inputs, even at full mute. Ticking does not increase with increased volume (i.e. it is drowned out by signal, not amplified with signal). This morning I unplugged all other pieces that have connections to the receiver (except the CD player which plugs into the back of receiver). Did not fix it.
Still have to try:
1. Un-plug CD player
2. Pull out all in/outputs (even though they were all unplugged)
3. Pull out speaker pairs one at a time
What else should I try? The only thing that I can think of that could generate one tick per second is if my AC has a peak every cycle (being 60 Hz). What else is there??
Please help me, audio pros!!!
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