Difference in Whelen 400 Series 6 over 6 heads

May 25, 2010
7,072
Tunkhannock, PA, USA
Yes...


The upper one has the light diffuser over the leds, where the bottom one doesn't... Other then that, ther are the same...
 
May 21, 2010
1,176
NJ & IA
Everything internally is the same except the diffuser. I prefer the lightheads with the diffuser. However there is not much of a difference. Both are used in the industry without issue.
 

grfd711

Member
Jun 23, 2010
1,546
Sherwood, AR
With the project I'm working on right now, I've got a mixture of 6over6 400 series heads and haven't noticed anything that would concern me.
 

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