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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Took me a moment to realize what you meant about the 30 dBPosted by rickmcinnis on: 9/13/2022
That spike went away.

Did not seem to have anything to do with lighting.  Completely mysterious - it just went away and has not returned.

I have not done anything with the ground rod idea.

I did listen with the ground wire unplugged - a plug with just a ground wire into a socket - and heard nothing at all so I cancelled the ground rod installation.

I am starting to think, after looking at battery usage calculators - that I may have a defective battery.  Seems the internet calculators tell me I should be getting far more usage from a full charge than I am getting based upon 400 Ah and 640 watts usage.  The 640 watts is constant, per the inverter's meter.

You are far more knowledgeable than I on these matters - do you think 1.5 hours from full charge to 11.6 volts sounds right for 640 watts continuous usage?  There are no ups and downs since these are class a amplifiers.  Could that alone make a difference?

This afternoon I will have to measure them separately.

Always appreciate your comments and advice.

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