AMC620 - MONITORING & HEADPHONE AMPLIFIERS   6 phones amplifier vhith VCA - 2 order 2 pgm AMC 620 is a six headphone amplifier unit, with possibility of external volume control. This unit allows you to supply six headphones from one or two balanced modulation line inputs (Impedance should be from 8 Ohms to 600 Ohms). The headphone 1 is always supplied with modulation A; the headphones 2 to 6 are supplied with modulation A or modulation B. This function is used, for example, to manage the sending to the principal presenter and to the guests in different ways. All the headphones of the AMC 620 are equiped with VCA affording o control the volume either via the front panel switching, or via a remote control. The external control can be applied either on only headphone1, or on headphones 2 to 6, or all headphones. The AMC 620 comprises 2 distinct talk back inputs with a lot of configuration possibilities, as follow : * The talk back1 is routed to the headphone1, the talk back 2 is routed to the headphone 2 to 6, but there is a possilbility of cross coupling, affording all configurations. * The order authorization can be given , either via the presence modulation start, or via dry loop, or via 5 Volts to 24 Volts voltage. * Routing of talk back either on left ear, or on right ear, or on both. AMC 620 comprises a device allowing to limit, on sixteen levels, the maximum volume level on headphones. This device will be very appreciate in media library, to avoid too much acoustic pressure for guests. A VCA remote control and headphone output unit is available under AMC 616 reference. It is used to make the cabling easier with the ampli headphone, AMC 620. Applications : * Headphones dispatching in audio and video environnement. * Everywhere a gain remote control is needed. * Complete managing of two headphone modulation and from distinct orders.