bids are invited for oa 1500 main desk unit - modular design with extremely low-profile desk. 6-fader layout with 100 mm manual faders with monitoring section having level control multifunction button, oled (organic led) displays in fader strips and central section for clear, high-contrast indication, red lights for on-air and open mic indication in control room and studio , , repair of an defective oa 1500 main desk unit , 400 watt pmpo monitoring amplifier - impedance more 10 killo ohms, connector on xlr , power- 400 w pmpo, 40 w per channel at 8 ohms, 60 w per channel in 4 ohms, rack mounted with led bargraph, snr better than 95 db, distortion less than 0.1 % , power over ethernet injector - poe (power over ethernet) injector 53.5 v, 0.57 amp , mosfet - mosfet ixfh 30n50p (static) , mosfet - mosfet apt-50m50jfll total quantity : 17