MAINS OPERATION & RESULTING TEMPERATURE

MAINS OPERATION

The following tables allow determining power supply and cabling requirements. The values of the column „Max. Output @ 4Ω” are relevant for “normal” operation. These values are based on operating the power amplifier with VDE-noise at 1/8 of the maximum output power, which approximately equates the load of the power amplifier being operated with a music signal at maximum volume possible, without noticeable clipping.

RESULTING TEMPERATURE INSIDE THE POWER AMPLIFIER

The power drawn from the mains network is converted into acoustic output power to feed the connected loudspeaker systems & heat. The difference between drawn power and dispensed power is called leakage power or dissipation (Pd). The amount of heat resulting from power dissipation might remain inside of a rack-shelf and needs to be diverted using appropriate measures. The following table provides auxiliary means for calculating the temperatures inside of a rack-shelf system/cabinet and the ventilation efforts necessary.

The column “Pd” lists the leakage power in relation to different operational states. The column “BTU/hr” lists the dispensed heat amount per hour.

P3000RL Normal Mode

UMains [V]

IMains [A]

PMains

Pout [W]

Pd [W]

BTU/hr(3)

 

 

 

[W]

 

 

 

 

 

 

 

 

 

 

Idling

230V

1.0

152

-

152

519

 

 

 

 

 

 

 

Max. Output @ 8Ω(1)

230V

13.8

2560

2 x 850

860

2934

Max. Output @ 4Ω(1)

230V

22.4

4330

2 x 1300

1730

5903

1⁄3 max. Output @ 4Ω(1)

230V

13.9

2575

2 x 433

1709

5831

1⁄8 max. Output @ 4Ω(2)

230V

7.8

1350

2 x 163

1024

3494

Normal Operation (-10dB) @ 4Ω(1)

230V

8.0

1420

2 x 120

1180

4026

Nominal Operation (0dB) @ 4Ω(1)

230V

21.6

4170

2 x 1200

1770

6040

Alarm Operation (-3dB) @ 4Ω(1)

230V

16.0

3020

2 x 610

1800

6142

For approximation; when operating the appliance at 120V mains the stated current values need to be doubled.

(1)modulated with sine signal

(2)modulated with VDE-noise

(3)1BTU = 1055.06J = 1055.06Ws

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Image 15
Electro-Voice P3000RL Mains Operation & Resulting Temperature, Resulting Temperature Inside the Power Amplifier