Need input to help with D4 purchase SST20

5 posts / 0 new
Last post
beam0's picture
Last seen: 1 hour 22 min ago
Joined: 12/20/2011 - 23:18
Posts: 3318
Location: Pennsylvania
Need input to help with D4 purchase SST20

Considering a D4 need help to decide on the emitters, right now it’s between SST20 5000K and SST20 4000K 95CRI.
I had previously decided on the XPL-HI 5000K, however that option is not currently available from IO.

XPL 4000K is maybe a bit too warm for me, so the closest thing to stay in the highest output range is SST20, I like that it’s more affordable without the $10 up-charge anyway, and with only a loss of 100lm over XPL-HI. I don’t have any experience with SST20 but I read the 4000K SST40 looks a bit cooler than 4000K XPL. I’ve also read it heats up faster or gets hotter than XPL-HI. Any info will be much appreciated.

Neutral White SST20 5000K
Neutral White SST20 4000K 95CRI


zoulas's picture
Last seen: 9 hours 17 min ago
Joined: 06/01/2020 - 08:35
Posts: 1966

A lot of people on this forum are nuts over CRI so opinionsmay be biased. At the end of the day, it’s up to you.

ChrisGarrett's picture
Last seen: 46 min 30 sec ago
Joined: 02/12/2014 - 22:03
Posts: 1015
Location: Miami, Florida

I went with the SST 20s at 4K, on my D4V2 and Nichia 219 Cs on my V1.

Not complaining a bit, but I’m not a tint/beam pattern whore.


Last seen: 1 week 3 days ago
Joined: 03/12/2019 - 18:07
Posts: 13
Location: Houston, TX

5000K SST20s have a very, very green tint at low power, so between those two options I would definitely go with 4000K. If you’re dead set on 5000K, you could go with E21As if you’re alright with having a bit less output in exchange for excellent CRI and tint. You could also email Hank and see if he has some 5000K 219Cs laying around, too.

buck91's picture
Last seen: 12 hours 44 min ago
Joined: 07/29/2016 - 08:21
Posts: 680
Location: Michigan

I love the SST-20 4000k in everything I’ve got or put it in. It lacks the rosy warmth of a 219b but it also lacks the cat-puke green of LH351D while still retaining good efficiency. As far as color temp, think of an old P60 module on fresh batteries and then add a healthy bit more towards neutral. Just a dang effective balance IMHO.