Master audio KEY12A Manual Usuario página 12

Master Audio
To obtain a clear and free-distortion reproduction, it is advisable to place the mid-high
units on top of the low units keeping between them an approximate height of two
meters. If such height cannot be achieved nor maintained, it is advisable to use the
classical tripod for each mid-high cabinet and leave the low units on the floor.
WARNING!!! For installations that suffer from acoustic problems and in which it is
necessary to reinforce the response in the low frequencies, it is advisable to group all
the subwoofers together in the same point. By this way, cancellations will be avoided
and a higher acoustic pressure level will be obtained.
3.5. Stage monitor use
The KEY12A and KEY15A models have
trapezoidal shape so, they can be used
as floor monitors without extra
Fig.7. Stage monitor use
3.6. Rotatable logo
KEY12A and KEY15A model logos can be rotated.
3.7 Flying
Only experienced people should fly speaker cabinets. Extreme care should be taken
to assure the load bearing capabilities of the structures where the cabinets will be
placed. Hanging hardware (as chains, eyebolts, lock pins...) should be regularly
inspected and replaced if in doubt. WARNING!!! DO NOT SUSPEND THE
CABINETS FROM THE HANDLES!!!!
3.7.1. KEY12A and KEY15A horizontal flying with "U" bracket
The KEY12A may be wall mounted by the SP12 "U" bracket accessory.
The KEY15A may be wall mounted by the SP15 "U" bracket accessory
Fig.8. SP12(A), SP15(B) "U" brackets
KEY Series (Active). Version 1.0 Feb14 12