It’s too bad there’s no substitute for this discontinued gorgeous 9080 tint. I’m thinking if we can get the SST-20-W FA1 bin, it should look about the same as the 219b 4500k 9080 but more powerful. Also the Samsung LH351D T1 bin should be similar too but no 80+ R9.
None of you are making it any easier for me to resist this light.
I’m guessing it’s the normal variation in the uncalibrated temperature readings between different ATTiny chips. Perhaps the one light of yours reads low, and the other reads high.
For comparison, I just checked my D4, which has been sitting on my desk, turned off, in a 22° room for plenty of time to be at the ambient temperature. It reported 34°.
If the light thinks it’s warmer than it really is, it will step down faster.
Have you seen Maukka’s numbers with the 4000k variant of the LH351D using a minus 1/4th filter? They’re pretty nice.
I’ve seen lots of good things from Nichia’s E21A R9080 emitters as well.
Problem is the minus green filter takes reduces lumen output by 17-20% if I remember correctly and it makes the light look weird with the pink sheet.
E21A format is hard to use
Fireflies want me to send my broken XP-L version to Vinh or solder a new LED in. Neither options are viable.
Keep testing them, mine read anywhere from 4400 to 5700 depending on heat and voltage.
There might be turbo reset issues.
Maybe temperature calibrations are different? What are temperature reading? (double click from battery check)?
Like was said earlier, the thermal protection may be kicking in way too soon on the champagne model. Try manually setting the thermal limit. I’ve got a video on it if you don’t know how.
Rumor is Fireflies might be making an SST40 version (replacement for XPL-HI?) I don’t know much about the SST40. My order for an XPL-HI is on hold until they figure out the problem. A possible offer/solution is an SST40 version. (nothing concrete or confirmed at this point) Thoughts?
SST20?
The SST-40 is a 5050 led where the current one is 3535. So they’d have to make a new mcpcb. That seems unlikely. If true though, it’s a nice little led. Warmest color is 6500K and it has really high output.
Yeah, SST-20 is 3535. It’s die size is closer to XPG3 than xpl at 2mm^2 so output might be closer to the Nichia version.
It might be the ROT66 v2 with the aux led board…? The SST40 question was posed to me as a possible (if it’s made) replacement for my order. I don’t know much more than that.
If their optics are barely fitting 3535 LEDs it’s unlikely they meant SST40 without some other design changes. SST20 like mentioned above would give them another LED option with high CRI and small die with output probably somewhere between xpl and 219b.
I think an SST-40 would definitely be brighter then an xpl-hi version. You are just limited to a 6500K color (or 7500K, but that’s not a good option).
Good point, they’d need to change the optics as well as the mcpcb to fit SST-40.
Interesting. I’ll have to wait and see if I get anymore info or perhaps someone else will.
I like sst40. Some light sst40 stepdown very quickly. I don’t know why… example. My eagtac g25c2.
Confirmed SST20 in both 6500k and 4000k CRI95. Also XP G2 in NW and CW. Listed on the website.
Wonder how much 7135 for the version of SST20?
I received my ROT66 with Nichia 219B yesterday. So far, everything looks fine from outside.
Luckily, no dead LEDs but when looking onto the LEDs two of them show dark spots of their die-areas already and there seem to be dust or some kind of residue below the optic. It doesn't look nice even though it seems to have no real effect on the beam.
The side switch LEDs should better be aligned symmetrically to the flashlight body.
