I have both, a Tiablo A9S and the Malkoff Drop-In. My Malkoff host is a 2D
with a deanodized tailcap, so I can use either 3 nimh C cells (3.6v 4500mah)
or 2 of AW's protected Li-Ion cells. (The Li-Ion batteries are wired in
parallel, so it's a 3.6v 6600mah pack).
Obviously, the A9S is the smaller of the two lights:
What is not so obvious is that the A9S has a longer, deeper reflector optimized for the Q5:
The A9S wins hands down in brightness and throw, at 4.0 volts and higher. But it is also true the A9S is not a fully regulated light. (Specified operating
range is 2.7-10v). With a Li-Ion cell at 3.8 volts, the Malkoff and the A9S are pretty much at the same level. For maximum brightness, the A9S is better off with CR123 or RCR123 cells.
My gut feeling is that if the Mag had a reflector designed for a LED, it may well equal the A9S. (I also have the Mag fitted the a borofloat lens, something I do with all of my Mags).