Post by Victor Roberts
Does anyone happen to know the design CCT of the Philips Model 13713X
1000 Watt, 235 Volt, linear tungsten halogen IR lamp?
Quick answer: Probably either 2450 K or 2500 K.
Long answer: Read on.
Philips 13713X filetype:pdf
leads to this page, which appears to be part of a Philips catalog, but
is hosted on a third-party site:
Page 3 of that PDF has the following lines in the table for this lamp:
Type Base CCT K Ordering number
13713X 220-250V 1000W X 2450 9238 515 43900
13713X/98 220-250V 1000W X 2450 9238 960 44500
That PDF doesn't otherwise explain what the "/98" on the end of the
type number means.
The same search also leads to part of a different Philips catalog,
on a different third-party site:
This PDF only lists the "13713X/98" type, with the following info:
Type V W Base CCT K Ordering number
13713X/98 235V 1000W X 2450 9238 960 44500
Looking at some of the other lamps in the table in this PDF, no "/98"
seems to indicate a clear lamp, while "/98" indicates a lamp with
Finally, the same search yields this PDF
which seems to say that "Dr. Fischer Group" bought out this part of
Philips' lamp line in 2008. Page 22 of that PDF has the following info:
Type no. V W Terminal CT K* Ordering number Tube
13713X 235 1000 X-clip 2500 9238 515 43916 clear
13713X/98 235 1000 X-clip 2400 9238 960 44516 with white reflector
* labeled as "colour temp. K"