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DAC drops out when Furnace starts or stops. HELP

Every time my furnace or water heater (gas, power vented) kicks on or off my DAC drops out momentarily. My audio system, furnace and water heater are all on separate dedicated ac lines. My AC panel was updated to a 200 amp service some years back.
I checked all connections from the panel to each device and internally checked all electrical connections in the furnace and water heater, verifying proper hot, neutral and ground.
I checked and tightened all wires in the service entrance panel.
Has this happened to anyone else? If so what did you do to correct it?
Any help will be appreciated.
jadedavid

Showing 2 responses by douglas_schroeder

douglas_schroeder
3,281 posts
 
FYI, I have found no correlation between length of USB cable (1m vs. 1.5m) and performance across brands. You are not assured superior quality/performance from a supposedly ideal 1.5m USB versus another brand 1m. It is also relatively easy to find a 2m USB which will outperform any given 1m or 1.5m alternate brand.

I have a few times found that 1m sounded better of the same brand than 1.5. So, you can say I'm not a believer in the idea that 1.5 is somehow magical for sound quality of USB.
douglas_schroeder
3,281 posts
 
Jea48, Yes, I understand the flow of the conversation.

I was simply following up on Al's side comment about cable length. i.e. If someone has a choice between a 1.5m and 2m USB if possible one should try them, as opposed to thinking that the theorized ideal length cable would automatically be superior. I do, however, favor a shorter USB when I can obtain it.

I also have seen one or two instances in which a particular USB cable worked with some gear and not others. So, it is wise when experiencing a snafu with digital to consider that the USB cable may be incompatible with a particular component.
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