L-Acoustics K3 User Manual

Mechanical safety.............................................................................................................................................35
Loudspeaker congurations................................................................................................................................37
Line source............................................................................................................................................. 37
Line source with low-frequency element..................................................................................................... 38
Additional downll element......................................................................................................................40
Kara / Kara II..............................................................................................................................40
Inspection and preventive maintenance...............................................................................................................41
How to do preventive maintenance.......................................................................................................... 41
Rigging part inspection........................................................................................................................... 42
Mechanical system overview....................................................................................................................42
K3 array with K3-BUMP and K3-BAR..............................................................................................43
K3 array with K3-BUMP and KARADOWNK3................................................................................. 44
K3 array with K3-RIGBAR as pullback.............................................................................................45
K3 array with K3-BAR, LA-RAKMOUNT, and K3-BUMP.....................................................................46
K3 array with K3-CHARIOT and K2-JACK....................................................................................... 47
K3 stacked on K3-TILT and KS28 with KS28-OUTRIG........................................................................48
K3 stacked on K3-CHARIOT with K3-CHARIOTCOV and K3-CHARIOTLID........................................... 49
Inspection references............................................................................................................................... 50
Rigging check.........................................................................................................................................53
Acoustical check..................................................................................................................................... 57
Rigging procedures...........................................................................................................................................61
Preparing a block of four K3...................................................................................................................61
Pre-setting the inter-enclosure angles......................................................................................................... 65
Flying.....................................................................................................................................................67
Flying an array with K3-BUMP and K3-BAR.....................................................................................67
Adding a pullback with K3-RIGBAR................................................................................................ 73
Rigging a Kara II downll array under a K3 array with KARADOWNK3............................................ 76
Securing LA-RAK II AVB on LA-RAKMOUNT.....................................................................................80
Stacking................................................................................................................................................. 83
Stacking K3 on KS28 with K3-TILT.................................................................................................. 83
Attaching K2-JACK stabilizers to K3-CHARIOT................................................................................. 89
Adjusting the K3-CHARIOT site angle..............................................................................................92
Transporting........................................................................................................................................... 94
Stacking multiple K3-CHARIOTLID on K3-CHARIOT...........................................................................94
Mounting K3-CHARIOTLID to K3.....................................................................................................96
4

L-Acoustics K3 Specifications

General

Maximum SPL	143 dB
Nominal Impedance	LF: 8 Ω, MF: 8 Ω, HF: 8 Ω
Amplified Controller	LA12X
Weight	43 kg / 95 lb
LF Transducers	2 x 12''
HF Transducers	1 x 3" diaphragm compression driver
Components	2 × 12'' LF
Enclosure Material	Baltic birch plywood
Connectors	2 x NL4
Recommended Amplifier	LA12X
Coverage Angle	70° horizontal