Can you use .3A or .5A adapter in place of .4A?

75lespaul

75lespaul

New member
I have a T.C. Helicon effect and the power adapter is light as a feather and just plain garbage. Tons of hum if used with more than one or two things plugged in--good luck at rehearsal. I went to Radio Shack to get a replacement, and all they had were 12v (which this is) .3A or .5A. This is .4A. I know nothing about electronics so I need to know if either of those will work, or will it damage the unit? Thanks bros.
 
Re: Can you use .3A or .5A adapter in place of .4A?

.5A
bigger is ok
it only draws what it needs
smaller will melt

check to be sure it is center negative or center positive

it will make a difference

easy to swap over
just reverse the leads
 
Re: Can you use .3A or .5A adapter in place of .4A?

The majority of guitar effects are DC but make sure.
 
Re: Can you use .3A or .5A adapter in place of .4A?

anything above .4 will be fine.
A word of caution, the Line 6 products that are all digital are AC powered, so TC Helicon may do that too. Make sure you've got all the numbers and letters matching, and make sure your mA is higher than your circuit draw.
 
Re: Can you use .3A or .5A adapter in place of .4A?

As Ehd said, you can use bigger without hurting anything. Nothing wrong with even using a 1A or2A...the device will only draw what it needs. And I doubt that your effect will draw the full .4A that its adapter has to offer, and you could probably get by with the RS .3A model just fine. But if they are about the same price, I'd go for the .5A model adapter.
 
Re: Can you use .3A or .5A adapter in place of .4A?

Thank you all so much! Yep, I'll go with the .5 and I know the tip is negative. I'll check to see if it is AC or DC. Thanks again.
 
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