[RFI] Grow Light Question...

Tom Thompson w0ivj at tomthompson.com
Thu Nov 13 11:42:19 EST 2014

Right...the magnetic ballasts run hotter than the digital ballasts 
because they are not as efficient.  The magnetic ballasts are also 
quieter, but that is acoustically, NOT from an RFI perspective.

Tom   W0IVJ

On 11/13/2014 9:19 AM, David Robbins wrote:
>   when the one I found here was brought to me to build a filter for it the guy said he put back on his old ballast which sounded like it was a magnetic one, it was perfectly quiet.  he says he wanted to use the new one because it ran cooler.
> Nov 13, 2014 10:30:48 AM, dave at nk7z.net wrote:
> Hi Tom,
> Thanks!!! I will need to make note of the Magnetic ones being better in
> our handout... THANK YOU!!!

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