Proel dba 8ch aktivni d box

Audio signals active balancing system with 8 independent channels on 4-unit 19" rack. Each channel feature a high 
impedance input with possibility of connecting an instrument amplifier through the "link", and two outputs, an electronically balanced one and a non-balanced one. Three switches allow the attenuation of input signal impedance, output signal gain adjustment from 0 to 20 dB and earth exclusion. Power 
supply with 12V AC/DC adapter or +48V Phantom Power.  

Construction materials : 4 U rack 19” galvanized metal chassis 
Weight : 3.75 kg 
Rack Units : 4U rack 19”  
Channels : 8 
Inputs : 1 mono jack socket o 6.3 mm (link) 
Input Impedance : 1 MOhm (normal) - 10KOhm (pad) 
Outputs : 1 mono jack socket o 6.3 mm (balanced) 1 XLR 3-pole panel mount male plug (unbalanced) 
Output Impedance : 330 Ohm (balanced) - 2200 Ohm (unbalanced) 
Frequency response : 20Hz - 20kHz (+0 -2dB) 
Controls : Ground/lift switch Attenuation switch -20dB Normal/pad/link switch 
Distortion (THD) : < 0.025% (gain 0 dB) < 0.12% (gain +20 dB) 
S/N Ratio : >96dB (0dB gain) >82dB (+20dB gain) 
Power Supply : 12 Vcc - Jack socket o 2.1 mm.  
Phantom power : +15/+48 Volts with 1mA @1100Ohm
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