10
3.
POWER
REQUIREMENTS
AND SET-UP
WARNING
• The TTL33-A/TTL31-A System is designed to operate
in hostile and demanding situations. Nevertheless it
is important to take extremely care of the AC power
supply and set up a proper power distribution.
• The TTL33-A/TTL31-A System is designed to be
GROUDED. Always use a grounded connection.
VOLTAGE
The TTL33-A/TTL31-A amplifi er is designed to work within the following AC Voltage limits: 230 Volt NOMINAL VOLTAGE:
minimum voltage 185 Volt, maximum voltage 260 Volt 115 Volt NOMINAL VOLTAGE: minimum voltage 185 Volt, maxi-
mum voltage 260 Volt . If the voltage goes below the minimum admitted voltage the system stops working If the voltage
goes higher than the maximum admitted voltage the system can be seriously damaged. To obtain the best performances
from the system it is very important that the voltage drop it is as low as possible.
CURRENT
The following are the long term and peak
current requirement for each TTL33-A/TTL31-A
module:
The total current requirement is obtained multiplying the single current requirement by the number of modules. To obtain the best
performances make sure that the total burst current requirement of the system doesn’t create a signifi cant voltage drop on the cables.
GROUNDING
Make sure that all the system is properly grounded. All the grounding points shall be connected to the same ground node.
This will improve reducing hums in the audio system.
AC CABLES DAISY CHAINS
Each TTL33-A/TTL31-A module is provided with a Powercon outlet to daisy
chain other modules. The maximum number of modules that is possible to
daisy chain is:
230 VOLT: 6 modules total
115 VOLT: 3 modules total
WARNING - RISK OF FIRE
A superior number of modules in daisy chain will
exceed the Powercon connector maximum ratings
and create a potentially dangerous situation.
POWERING FROM THREE PHASE
When the TTL33-A/TTL31-A system is powered from a three phase power distribution it is very important to keep a good
balance in the load of each phase of the AC power. It is very important to include subwoofers and satellites in power
distribution calculation: both subwoofers and satellites shall be distributed between the three phases.
VOLTAGE BURST (100 ms) LONG TERM
230 Volt 4.5 A 3.15 A
115 Volt 9.0 A 6.3 A
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