I don't know why they had to come up with some strange hybrid weapon on the Omega.
It is clearly visible even in the show that the Omega forward main guns have two gun ports. The other for pulses and the other for beams.
Current TBP Warlock weapon setup is below, but I seriously doubt it tells you nothing.
$Subsystem: turret01a, 5.5, 0.0
$Default SBanks: ( "EA Nemesis LG" )
$Subsystem: turret02a, 5.5, 0.0
$Default SBanks: ( "EA Nemesis LG" )
$Subsystem: turret03a, 5.5, 0.0
$Default PBanks: ( "EA Heavy Particle Beam" )
$Subsystem: turret04a, 5.5, 0.0
$Default PBanks: ( "EA Heavy Particle Beam" )
$Subsystem: turret05a, 2.0, 0.0
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret06a, 2.0, 0.0
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret07a, 2.0, 0.0
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret08a, 2.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret09a, 2.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret10a, 2.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret11a, 2.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret12a, 2.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret 2" )
$Subsystem: turret13a, 1.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret" )
$Subsystem: turret14a, 1.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret" )
$Subsystem: turret15a, 1.0, 2.4
$Default PBanks: ( "EA Adv Plasma Turret" )
$Subsystem: turret16a, 1.0, 2.4
$Default PBanks: ( "EA Heavy Rail Gun" )
$Subsystem: turret17a, 1.0, 2.4
$Default PBanks: ( "EA Heavy Rail Gun" )
$Subsystem: turret18a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret19a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret20a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret21a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret22a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret23a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret24a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret25a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret26a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret27a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret28a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret29a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret30a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret31a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret32a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret33a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret34a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret35a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret36a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret37a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret38a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret39a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret40a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret41a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret42a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )
$Subsystem: turret43a, 0.5, 2.4
$Default PBanks: ( "EA Light Pulse Turret" )