Is there a safe way to muffle hum of 400 mag ballast?

Like the title says.... is there any safe way that I can muffle the hum of my magnetic ballast? Its not a loud buzzing like my digi ballast, but a steady hummmmm sound... what can i do to cut out the hummmmm????? I want a safe solution as in fire-safe... nothing that could cause a fire

You could replace the ballast with a potted ballast designed for office use. They are long thin ballasts that look like big flouro ballasts and they're silent.

Or I guess if yours is core and coil and not electronic you could pot yours with potting compound. It's a rubbery stuff that you basically fill the ballast with and kind of looks like dark silicone. If you do this, it becomes non repairable though.

Tha last option is an actively vented hush box. Take a wooden box that it will fit in like an old speaker, line it with sound deadening insulation or that car sound blocking stuff, put a couple holes in it for a exhaust fan and intake fan. Just make sure the fans are always on or always come on with the ballast.

Thanks OregonMeds.. appreciate your reply. My ballast is a coolstar... I think I will try the potting compound you suggested. Is that something that would be available at home depot? Ive had digi ballasts and those were much louder, this is like a low hum but totally noticable....

Online

Shop around. This is just the first link that looked suitable but I don't know if this is enough compound, you need enough to completely fill the ballast.

http://webtronics.stores.yahoo.net/epblactherco.html

Make sure you get thermally conductive compound like this is.

Im sorry Im not too good with things like this, do you actually fill the inner part of the ballast with this stuff? or, coat the exterior with it?? thanks again for your time

Fill the whole interior completely full.

if you do that you will void the warranty

I care more about people not hearing it...but thanks for the heads up ganjababy!
Thanks OregonMeds I will give it a try...

Well, OregonMeds... I am a dumbass... my buzzing ballast isnt buzzing anymore.. I had it on its side to save space, cuz its kinda large.. anyway, when i flipped it to its correct position it now makes no buzz at all.... so, thanks anyway for the help! I appreciate it

free fix it on 420. Fitting...

I used to have a ballast that would buzz just because of what it was set on. I fixed that with a piece of dynomat underneath the ballast.

But you have your problem fixed - proper orientation.

Yeah Im psyched its now completely silent! what a difference.

Cheech Wizard said:

Yeah Im psyched its now completely silent! what a difference.

Click to expand...

but how are the temps?