Welcome back to the 400 Lumens Challenge!
- Part 1 - 3 KR1 Flavors Face Off! [here].
Last round, I compared three Noctigon KR1s running different emitters but the same 9A linear driver. Among them, the FFL909MX stood out with solid performance.
This time, we’re switching gears and color temps: spotlight on the FireflyLite X4Q Comet, hosting a FFL351A emitter at a cozy 3700 K, paired with a Lume X1 driver. You may have seen my previous review (Reddit | BLF), but this is the first time I’m testing this setup at ~400 lumens.
Just like before:
- Ceiling temp: 60 °C
- Cell: 18650 Vapcell N40 + adapter (for consistency, even in this 21700 light)
- Ambient temp in the shed: 17 °C
| Brand | Model | LED | CCT | Driver | Cell | Set level | Ambient |
|---|---|---|---|---|---|---|---|
| Fireflylite | X4Q Comet | FFL351A | 3700 K | Lume X1 | VapCell N40 | 85/150 | 17°C |
As expected with the Lume X1 driver, we see the usual behavior: output starts at 100% and gradually drops to ~88% just like in my previous tests.
Despite the much warmer CCT (2700 K lower), this setup holds its ground well, coming in not far behind the 6500K KR1 FFL909MX driven by a 9A linear driver.
Click here for the full-size runtime graph
Did the warmer emitter perform better (or worse) than you anticipated?
Next up: Wurkkos TS30S Pro featuring the well-known SBT90.2 @ 5700 K. I guess it will suffer from using an average driver.