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Do you think that this model is ok :
https://www.tayna.co.uk/leisure-batteries/varta/lfd60/
Or the 75ah would be a better fit for my purpose ? (just running the amp)
The only easy way to test if it will be noisy without buying the inverter and battery is to deliberately remove the earth connection temporarily - if you’ve got a power cable with a non-moulded plug you can do this, but be careful. (And make sure you re-connect it properly!)
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Just because I don't care, doesn't mean I don't understand." - Homer Simpson
I see, I didn't think about the ground problem, that's an excellent point. I'm not the electro professional guy so I'd rather take no risk by getting into these sort of handlings... it could be dangerous without almost no basics of electricity.
I've done researches on the internet today, seeking a simple solution to offset that matter ... but I guess there's no miracle cure when busking outdoor.
I've found a youtube video where you can see a bloke trying this setup with a Bugera V5 (valves):
To someone asking him if he had encountered any noises issues in the comments section, he said no.
Also, I assume that a surge protector wouldn't be effective to protect the gear without grounding.
... but does a fuse holder with a 40A ANL fuse between the battery and the inverter could do the trick ?
And with the 60Ah battery, how many hours could I spend on my guitar outdoor roughly?
(Ah ... so many questions I have now !)
There's no shock risk to worry about either, unless you wire yourself to the inverter - as long as you're only touching the guitar strings or the amp there can be no shock hazard because the inverter's 'earth' is not actually earthed, so there is no way of completing the circuit.
The amount of time you can play for is simply a function of the amp's power draw. With a 60Ah battery and an amp that draws 1A, you could play for 60hrs. The actual power draw of a Cub 12 won't be that high, more like 1/2A at the most even at full tilt, and probably about half that... so probably about 150-200hrs.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Just because I don't care, doesn't mean I don't understand." - Homer Simpson
Ebay mark7777_1
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Just because I don't care, doesn't mean I don't understand." - Homer Simpson
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Just because I don't care, doesn't mean I don't understand." - Homer Simpson
I think I've got all the informations I need and I hope it will help others too.
You guys rock !!