Thanks for the precision about the ramping memory !
I didn’t measured charging current.
I’ll have to discharge the cell first and see how much it feeds to it
This is the driver in my X9.
OK, not FET+1 but appears FET based. That R050 is the obvious candidate to limit amps, maybe?
can the X9 reach max output on low battery?
I did not try that, if I try it I’ll tell
I got an X9 coming in soon so should find out how it performs. Highly unlikely though it can do max output on a low batt - even bucks/boosts can fall out of regulation. Usually as the voltage falls, the amps draw goes up, but only up to a limit, as far as I know, otherwise you can kill the battery.
Okay, I discharged the battery to 3,2V and was still able to activate the Turbo.
The current is only 6A though (14A+ with a fresh cell)
how many Amps at 3.7V?
Got mine in today. Appears to be a titanium body. Neal upgraded me 
, but also sent the stock black alum tube as an extra.
He also sent me an AX2, so now I got a set of 3 small Amutorch's including the modded AX3:
The X9 has some weight to it for sure, and of course power.
The X9 came out when the D4S and E07 were also being released and doesn’t get much attention but it is a very nice light. Not as many whistle and bells but powerful and it’s simplicity is ok for me. No homework to operate the UI.
Yea, this form factor is goin nuts as of late. I still don't have a D4S which I'd really like, but there's so many similar lights now. My X9 will probably get one of those more complicated UI's though... The ramping in the X9 is pretty decent though, but still I'd like to see them standardize on the 1 click ON, 1 click OFF, hold to ramp or change modes. More lights are implementing this, and not our firmware. It's not a BLF original thing either, not sure who the early adopters were.
Hey Tom, do the AX2 & AX3 Lego?
One click on, one click off would be welcome . If it was the only UI I used, the X9 would become second nature but the way it is, it makes me think about it. Can it be flashed or does it have to be changed ?
No, just checked. You would think the tailcaps at least would exchange because they look exactly the same, I mean exact same style and logo image. Inside, totally different - The AX2 has a Emisar style spring and PCB while the AX3 has the copper looking wire thing.
At the head, the AX3 tube flairs out while the AX2 doesn't - not even close to the same size. The tailcaps I couldn't get to thread either, though they look close.
Ohhh, no. Driver replacement time, or piggyback one in, etc.
The 2 common methods now are 1 click ON, but for OFF, hold down or 1 click. The UI's that are hold down to turn ON are really annoying.
Does anyone have a photo of the back of the reflector and the MCPCB?
Trying to figure it the feasibility of using non 5050 LED’s and trying to see if there’s clearance for individual Mcpcb’s wires to clear the reflector cups if I go that route.
Not yet, can do though over the next day or two.
Here's the pics taken on my pixel phone:
Thanks Tom!
The scarry kind of flat back reflector, may need to rethink my mod plans…
I would look at the C8F MCPCB which Sofirn does sell separately (I got one). It appears to be the same size - no time right now to measure though. If it does align, there's your 3535 triple MCPCB for the X9!
Rough measurements from outside the lens seems to be dead-on.