The extra 15 second reduction make the difference and allow the possibility of chained Gw, It's just a choice of gameplay and it works pretty well ^^ Siphon, it's more for def (+11 and +26 for weap/speed/shield) with a "hole" of 6 seconds and with sub target, it makes the job. Photonic Officer? to much cd for me.
I have a different pov "Majortiraomega". 2 Gw work very well with purple doff and cluster breen so, my build http://www.stoacademy.com/tools/skillplanner/?build=rauvilletorpedo2_0 [Obelisk Subspace Rift Warp Core] and [Omni-Directional Antiproton Beam Array [Acc] [Dmg] [Arc]] Tips: don't forget to bind dual siphon + dual…
I have a completely different build, but I did not necessarily right. For me: 1st, stf = dps and is the main defect of the scientific so you have priority boost in damage 2nd, as in any case we can not match the tactical to the damage, the better to do is boost their dps. 3nd, your shield is your life Here is my build…