I find 2700K E21A to be fairly neutral outdoors. I only really notice the light start to get warm at 2200K. I prefer warmer tones outdoors to cut glare walking around others, and to prevent insect attraction.
Although the lumens is lower with these emitters, would you say it is still sufficiently bright outdoors? I’m on the fence with my next kr4 having the e21a (2700k) or the sst20 (2700k).
I have the sst20 2700k in a c8 style thrower and it is plenty bright, so I know 4 of them would defintely be bright. I guess I’m just hesitant thinking the e21a would be less then half the lumens…
Of my 3 K9.3’s, my favorite one for outdoor use is XP-L HI V2 5D 4.000K on CH1
The E21 2700K and 2000K’s are too warm for outdoor use in my opinion
Will the KR4 ti 18350 tube fit the KR1? If so, can you then use the clip on the KR1 18350?
The aluminum KR 18350 tube will not allow use of the clip. The TI version will, but on the KR1 the larger head will be bending the clip out and creating a lot of tension, but it is at least possible.
I use the clip on my 18350 KR1 (copper and aluminum). The clip does not work on aluminum KR4 18350, but does on titanium kr4 18350 setup.
Anyone have beamshots of D4S with W2? Interested to see how it compares to XPL-HI flavour and KR1 W2.
There is one on Vinh’s site.
I have a D4SV2 on hold pending the emitter choice, I have them in XP-Hi V3 3A and SST20 but may try something different for my green version. Would be interesting to see the W2.
So I put a xhp50.2 in my Cu KR1 the other day. Let me just say, it’s an awesome all around edc. Copper is heavy but I like it, xhp50.2 has tint shift, but I don’t care especially outside. I know Hank prob doesn’t use the xhp50.2 because of lack of tint options and tint shift hence a not really attractive beam, or maybe there other reasons, but I’m putting a pic here for others who may be interested in doing it themselves.
Xhp50 on left, w2 on right. Both kr1.
Visually, it’s brighter and throws almost as far as my ft03 mini with xhp50.2. Also the tint shift is not nearly as bad in real life as it is in this picture, especially outside.
Thanks, completely missed that last photo 
The D18 deep red and 2700k custom swirl ended up being pretty great. Pardon the terrible quality, it’s way cooler looking in person.
Wait… Does it mean that D18 has 2 separate channels?
No. As it turns out, deep red and “regular SST-20 have different-enough vf that the deep red come on solo first, followed by the 2700k higher up in the ramp.
Awesome! I used to believe that this would fry leds with lower forward current.
We will see.
The deep red come on solo at moonlight and don’t appear to be overdriven, based on also observing their behavior my DR-only D18.
I’ll have do some research because now I’m curious, and I’m currently ignorant of all the factors here.
That d18 red swirl is amazing!
Thanks, I agree! Keep in mind it’s not for everyone with the non-red emitters only coming on at the higher outputs. Still completely worth it to me.
Do you guys think Hank will ever re-stock the 2200K E21A?
Does anyone know if and when will the mule versions be available again?