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Audison vrx 2 150 Manual

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EXTERNAL FUSE SIZE AND LOCATION
External fuse size must be calculated according to the type of system you want to realise and to its being made
of a single amplifier or multiamplified.
System with a single amplifier
In case of a system with a single amplifier, please refer to item: “Absorbed current at maximum musical power”,
written in the Technical Features of the used amplifier, in order to calculate the external fuse value.
In a hypothetical system with a single amplifier (VRx2.400), the external fuse (Audison Cable MAINFUSE) value
for a 2 Ohm load would be 70A, rounding off what written in the Technical Features (65A).
Note: Values and models of the example are purely indicative and only used to explain the calculation
procedure.
We recommend to use Audison Cable MAINFUSE devices as fuse holder.
Multiamplified system
In case of a multiamplified system, you have to sum the absorption of every used amplifier according to the
applied load in order to get the external fuse value.
In a hypothetical system consisting of three amplifiers (VRx2.150 – VRx2.250 – VRx1.500), the external fuse
value would be thus defined by the sum:
14A (VRx2.150 on 4Ω load, see Technical Features)
36A (VRx2.250 on 2Ω load) (14+36+149)A= 199A 200A
149A (VRX1.500 on 1Ω load)
Note: Values and models of the example are purely indicative and only used to explain the calculation
procedure.
We recommend to use Audison Cable MAINSPLIT as splitter (power distribution block), which contains proper
locations for further fuses. Obviously, the size of the latter will have to be defined according to the single
amplifier absorption, depending on applied load.
We recommend to use Audison Cable MAINFUSE devices as fuse holder.
- 30 -
VRx1.500 connections
Inputs and outputs:
double voice coil speaker with voice
coils in parallel
Power supply, remote and accessories
Inputs and outputs:
one or two speakers in parallel
- 39 -
Please see “Technical
Features” and “External
fuse size and location”
in order to choose the
proper external fuse.
WARNING
When VRx1.500 is used with low
impedance loads (1 Ohm), it supplies
2000W approx. and absorbs high currents
(300 A approx. in impulsive functioning). In
order to get the best performances by the
system and the car safety, it is necessary
to carefully choose the right size of power
supply and speaker cables, fuse and fuse
holder, battery and power supply
distribution systems. Connections safety
must be also carefully checked in order to
avoid voltage drops implying overheating.
… 32 …


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