Commercial Audio

Proel S.p.a.

PA MDA500

PA MDA500

Commercial Audio / Evacuation Systems / Modular System

Modular Professional Power Unit 500W - 70/100V- 4Ohm


Modular Professional Power Unit 500W - 70/100V- 4Ohm
Speaker short-circuit and overload protection circuit
Clipping Dinamic control
LED indicators
Master Level control
Low and high tone adjustment
Balanced LINE input on Euroblock terminal
Priority Balanced LINE input on Euroblock terminal with Gain
Three outputs, one of which at constant 4Ohm impedance and two at Constant voltage (70/100V) on Euroblock terminal
PA-HF Filter with rear switch
Ground-Lift rear selector
230/117V~ 50/60Hz autoswitch power supply
24Vdc emergency power supply
Dimensions (WxHxD): 116x53x250mm
Weight: 2.4Kg
Maximum 8 modules in a rack case MDA8C (3U rack 19”)

Ean Code:

Model: MDA500
Output Power RMS (W): 500
Frequency Response: 20Hz ÷ 20KHz ±3db 440Hz ÷ 20KHz ±3d (selectable)
S/N Ratio: > 110 dbA (20Hz ÷ 20KHz)
Distortion (THD+N): < 0,05 dbu (1W ÷ Max Power)
Input Impedance: 10KOhm
Input Sensitivity (mV): 100÷1000 (Priority Input) - 550 (Line Input)
Maximum Input Voltage (V): 4,5
 

Power Supply Ac
Input Voltage (V~): 90÷270 (P.F.C.) 90÷270 (P.F.C.)
Input Frequency (Hz): 50 / 60 ± 10%
Max Input Current Average/Peak (A):  0.5/2.2
 

Power Supply Dc
Input Voltage (Vdc): 20,8 ÷ 27,2
Max Input Current Average/Peak (A): 3/20

Input/Output Connectors
Primary Power Supply (V~): IEC Plug
Auxiliary Power Supply (Vdc): Polarized panel connector
Speaker Output: Terminal block (Euroblock)
Signal Input: Terminal block (Euroblock)

Controls
Front Panel:Green Led – ON, bicolor green/orange Led - SIGNAL/CLIP, Red Led – FAULT, Master, bass, treble controls
Rear Panel: Priority Input Gain - Inpedance selector - Priority selector - PA filter - Ground lift

Protection
Speaker Overload Protection: Electronics
Speaker Short-Circuit Protection: Electronics
Termal Protection: Electronics
DC Power Protection: Electronics
Mains Power Protection Fuse
Mains Power Spike Protection: 480 Joules, 2ms
Clipping Protection Electronics: with attenuation signal

General Data
Audible Noise (dB@1mt): < 40
Operating Temperature (°C): 0 ÷ 40
Relative Humidity (%): < 95 (non-condensing)
Dimensions (LxHxP) (mm): 116 x 53 x 250
Weight (kg): 2,4

Overview

Modular Professional Power Unit 500W - 70/100V- 4Ohm
Speaker short-circuit and overload protection circuit
Clipping Dinamic control
LED indicators
Master Level control
Low and high tone adjustment
Balanced LINE input on Euroblock terminal
Priority Balanced LINE input on Euroblock terminal with Gain
Three outputs, one of which at constant 4Ohm impedance and two at Constant voltage (70/100V) on Euroblock terminal
PA-HF Filter with rear switch
Ground-Lift rear selector
230/117V~ 50/60Hz autoswitch power supply
24Vdc emergency power supply
Dimensions (WxHxD): 116x53x250mm
Weight: 2.4Kg
Maximum 8 modules in a rack case MDA8C (3U rack 19”)


Tech Description

Model: MDA500
  • Output Power RMS (W): 500
  • Frequency Response: 20Hz ÷ 20KHz ±3db 440Hz ÷ 20KHz ±3d (selectable)
  • S/N Ratio: > 110 dbA (20Hz ÷ 20KHz)
  • Distortion (THD+N): < 0,05 dbu (1W ÷ Max Power)
  • Input Impedance: 10KOhm
  • Input Sensitivity (mV): 100÷1000 (Priority Input) - 550 (Line Input)
  • Maximum Input Voltage (V): 4,5
  •   Power Supply Ac
  • Input Voltage (V~): 90÷270 (P.F.C.) 90÷270 (P.F.C.)
  • Input Frequency (Hz): 50 / 60 ± 10%
  • Max Input Current Average/Peak (A):  0.5/2.2
  •   Power Supply Dc
  • Input Voltage (Vdc): 20,8 ÷ 27,2
  • Max Input Current Average/Peak (A): 3/20 Input/Output Connectors
  • Primary Power Supply (V~): IEC Plug
  • Auxiliary Power Supply (Vdc): Polarized panel connector
  • Speaker Output: Terminal block (Euroblock)
  • Signal Input: Terminal block (Euroblock) Controls
  • Front Panel:Green Led – ON, bicolor green/orange Led - SIGNAL/CLIP, Red Led – FAULT, Master, bass, treble controls
  • Rear Panel: Priority Input Gain - Inpedance selector - Priority selector - PA filter - Ground lift Protection
  • Speaker Overload Protection: Electronics
  • Speaker Short-Circuit Protection: Electronics
  • Termal Protection: Electronics
  • DC Power Protection: Electronics
  • Mains Power Protection Fuse
  • Mains Power Spike Protection: 480 Joules, 2ms
  • Clipping Protection Electronics: with attenuation signal General Data
  • Audible Noise (dB@1mt): < 40
  • Operating Temperature (°C): 0 ÷ 40
  • Relative Humidity (%): < 95 (non-condensing)
  • Dimensions (LxHxP) (mm): 116 x 53 x 250
  • Weight (kg): 2,4