Expansion card for DMU 6100 (up to 180 microphone units), FORUM 6000 The DEC 6104 board is designed for integration into the DMU 6100 main unit of the RCF FORUM 6000 conference system. This board enhances the system with the following features: support for up to 180 DMS 6410 microphone consoles, a USB port for PC connectivity, an RS 485 port as an alternative to USB, an Anti-feedback processor to prevent feedback from loudspeakers near microphones, high speaker volume, or multiple open microphones simultaneously. The package includes the FSW 6000 software for system management and control. Features: - Support for up to 180 DMS 6410 microphone consoles across 6 lines (4 line outputs on the DEC 6104 board) - Additional 120 consoles powered by the DPS 6202 power supply unit - USB port for PC connection - Inclusion of FORUM 6000 control software - RS 485 port for long-distance system control (up to 1.2 km) via PC software - Anti-feedback processor to prevent feedback issues Play input: - Input level: -4 dBu (nominal), +11 dBu (max) - Input impedance: 20 Kohm - Frequency Response: 50 Hz to 20 kHz - Signal-to-noise ratio: 85 dBA Remote control: - USB interface: USB 2.0 full speed - RS 485 interface: 35 to 100 Kbit/s Output section: - Output level: -7 dBu (nominal), +10 dBu (max.) (3 to 6 outputs) - Output impedance: 100 ohm Power requirement: - Max. voltage: 48 V dc - Max-current: 1.5 A per line with 30 consoles Physical specifications: - Width: 430 mm / 16.93 inches - Height: 88 mm / 3.46 inches - Depth: 310 mm / 12.20 inches - Net Weight: 5.65 Kg / 12.46 Lbs Shipping information: - Package height: 135 mm / 5.31 inches - Package width: 510 mm / 20.07 inches - Package depth: 385 mm / 15.15 inches - Shipping Weight: 7.73 Kg / 17.04 Lbs