AMC230 - MONITORING & HEADPHONE AMPLIFIERS   Local monitoring - Analog - Vumeter + Phasemeter - 2U 19" AMC 230 is a two channel local reception amplifier (2 unit 19” rack), owning an analog audio input. * Volume level and balance control via VCA * Phasemeter on led bargraph for a complete monitoring of the modulation. * Leds peakmeter (dBu). * Headphone output in front panel (6.35mm jack). Automatic switching of internal speakers. * Mute order via remote control. * Analog balanced inputs available on the front and rear panel. * Female DB9 remote control connector (volume and mute). * Volume control either via front panel switching or via external potentiometer. Application : * Local monitoring (bay-mounted).