| Offer high performance, flexibility, and reliability for most applications requiring a variety of inputs ; 4 inputs: 1 microphone(Low impedance), 1 auxiliary (High impedance), 1 telephone, plus 1 selectable microphone or auxiliary ; Each input controlled by an independent volume control ; Treble and bass controls ; Auxiliarymuting by external contact closure for push-to-talk microphones ; Telephone input for telephone paging applications ; Telephoneinput voice-activated (VOX) mute over auxiliaryinput ; Variable threshold for telephone input voice activated auxiliarymute ; Outputs for 4 OHM (direct) and 16 OHM, 25 V and 70 V speaker systems (transformer coupled) ; Output jack to connect a recording device or booster amplifier ; Output jack to connect a general-purpose 600 OHM matching transformer (model WMT1A) ; Thermal protection and electronic shutdown ; Rack mountable with accessory mounting kit (model RPK50) ; Hum and Noise (below rated output): 55 DB (Microphone), 70 DB (Auxiliary), 70 DB (Telephone) ; Input Sensitivity: 600 MICV (microphone low impedance balanced), 85 MILV (Auxiliary), 75 MILV (Telephone) |
