These are advertising low 40s for lumens per watt, which isn't really good at all. Halogen IR lamps will come close to that and push 100 CRI. Compared to what, say, WAC or Prescolite are doing and it's efficacy is embarrassingly low.
These are advertising low 40s for lumens per watt, which isn't really good at all. Halogen IR lamps will come close to that and push 100 CRI. Compared to what, say, WAC or Prescolite are doing and it's efficacy is embarrassingly low.