Turbosound TA-500DP Manuale Utente

Pagina di 73
user manual 
TA-500 
TA-500 user manual 
Page 46 
Rear Panel Functions 
Power Inlet
Network Card
Audio Output
Connectors
Audio Input
Connectors
Secure Mode
Switch
Serial Comms
Port
 
 
Power Inlet – provides connection to a suitable mains electricity supply using the cable 
supplied. The controller has a switch mode power supply that is capable of operating with a 
nominal mains voltage of 80 to 240v, 50/60Hz without re-configuration.   
Network card – connects to a PC via a BvNet interface to enable network control of the 
loudspeaker system. 
Audio Input connectors – these are fully balanced and are wired pin 1 ground, pin 2 hot and 
pin 3 cold. The two inputs have pin 1 connected directly to the chassis and feed the signal 
processing chains. If an unbalanced source is used, a connection should be made between 
the pin 3 ‘cold’ signal and the ground connection of the unbalanced source. 
Audio Output connectors – the processed outputs are impedance balanced, and are wired 
pin 1 ground, pin 2 hot and pin 3 cold. An unbalanced input may be driven by  by connecting 
pin 3 ‘cold’ signal to the ground connection of the unbalanced destination input. Note that 
output pin-1’s are ground lifted at audio frequencies but connected to ground at RF for good 
EMC performance. The intention being that the amplifiers the processor is driving should be 
responsible for the grounding of their input cable shields. 
Communications port connector – the unit may be controlled entirely from another 
controller (typically a Personal Computer), running an application that is compliant with the 
ObCom standard. Connection will normally be made to the controller via this serial port 
connector. This port is also used for updating the firmware in the unit. 
Note: The communications port is NOT disabled when the front panel is made secure using 
the secure button.