With buying an Electro-Voice PRECISION SERIES power ampli er you have chosen
an appliance that employs the most advanced technology.
P-Series power amps combine outstanding audio performance, highest reliability and operational
stability. Each power ampli er employs an RCM-24 Remote Control module allowing centralized
con guration, control and monitoring of all relevant power amp parameters (like output current, output
voltage, load impedance, etc.).
The power ampli ers employ two high-performance output transformers each and offer oating
The gapless protection circuitry concept not only prevents the power amp itself but also the connected
loudspeaker systems from being damaged. These extensive protections include Dynamic Audio
Limiters, DC/HF-Protections, Back-EMF-Protection, Inrush Current Limiter, Short Circuit Protection
and of course Thermal Overload Protection for the output transistors and mains transformers.
Three-speed high performance fans guarantee outstanding thermal stability at absolute low running
noise. The ventilation is directed front-to-rear allowing trouble-free operation even in smaller amp-racks.
Comprehensively dimensioned power supply units with low-leakage toroidal transformers provide
extensive headroom far above the stated nominal power.
The RCM-24 provides full-size
The RCM-24 provides full-size
overview of the system’s entire status
and control over all rele vant system
parameters at any time. The RCM-24
module allows integration into a Remote
Control Network consisting of up to 250 power amps. The Windows Software IRIS – Intelligent Remote &
Integrated Supervision – allows controlling and monitoring an entire PA-system from a single or several
PCs. Any operational status like initial power-on status, temperature, modulation, limiting, activation of
protections, deviation in the load impedance, etc., are centrally registered and displayed, which provides
the opportunity to take speci c measures prior to the occurrence of critical operational states. Programming
an automatic response for exceeding or falling below speci c limits is possible as well. All parameters,
e.g. power-on/off, levels, muting, lters, etc. can be controlled in real-time and saved in any power amp
Monitoring the connected loudspeaker systems is performed through measuring output currents
and –voltages of the two power ampli er channels. Each time the signal falls below or exceeds set
limit values is immediately indicated and logged, thus detecting and indicating short circuits and line
interruption during normal operation. The integrated impedance test function allows more precise
checking the connected loudspeaker systems. The integrated signal generator is employed together
with the current/voltage testing to measure the connected loudspeakers’ and cable’s impedance
plus over the entire frequency range. The resulting impedance graph is displayed on the PC-screen.
Comparing the measured impedance progression to a reference value is possible at all times, which
allows recognizing even the slightest loudspeaker defects or irregularities.
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