Turbosound TXD series - Manual (Page 23)

user manual
TXD series
IMPORTANT: Any installation, whether temporary or permanent, must be securely attached to the
structure of the building using chain, steel wires or web straps which are certified and load rated
for the purpose. The combined weight of the sound system, its cables and the rigging system
must be safely carried by the points at which attachment is made to the building or structure.
Great care must be taken in selecting the attachment points and methods, being absolutely sure of
the load carrying capacity of points chosen.
NOTE: The rigging of loudspeaker systems is an extremely serious matter with potentially lethal
consequences should anything go wrong. It is of vital importance that you, or other people rigging
the system, are suitably qualified to do so and have a full understanding of all the factors involved
with safety as a number one priority. Turbosound accepts no responsibility for any accident,
damage or failure of any rigged system. This rigging information is specifically related to the
requirements of TXD series enclosures only. For more detailed information on the whole topic of
rigging various handbooks are available. If you are in any doubt contact your Turbosound dealer
who will be able to refer you to an experienced rigging company.
CHOOSING THE BEST LOCATION
When using any loudspeaker system certain room parameters will affect the resultant sound
quality and coverage. For example, any boundary like a wall or floor will lift certain frequencies. If
you are placing the unit in a corner then a lift at the bass end is to be expected and it may sound
rather boomy. This can be compensated for moving the speaker or cutting low frequencies with a
graphic equaliser.
When speakers are flown in free space then boundary effects are minimised. The result is a
smooth frequency response without any boost at odd frequencies, but the bass end may appear
subjectively light. In this case increase the sub-bass level to bring the low end up.
The relationship between sound pressure level and distance is an “inverse square law” so
remember that every time the distance from the sound source is doubled the sound level
decreases by 6dB. For every 3dB increase of speaker output you need a doubling of input power
and you can work out the wattage input needed to give the required SPL levels at various
distances from the loudspeaker(s).
TXD series manual
page 23