The TBP10 is the main unit of a handsfree system for professional communication, composed by a intercom TBP10 and from a maximum of 10 remote intercom stations EL4400/S.
The system is proper to be used during the production of films and television programs but it can be employed for comment, dubbing and any other purpose.
The TBP10 has an IFB input (interrupted feedback) to be able to listen the audio signal of the program in processing that is interrupted when begins the conversation with one of the EL4400/S stations.

The connection among the TBP10 and the EL4400s, is FULL DUPLEX and HANDSFREE; for a correct operation it is necessary to regulate the potentiometer set on the anterior panel of the central intercom (TBP10) so that among the interlocutors happens.a communication without interruptions.
The TBP10 is endowed with a particular circuit anti Larsen to eliminate the reentry of the signal audio among loudspeaker and microphone.
The optimal position of the potentiometers must be retouches in the case in which there is a notable difference of noisiness in the environments where are placed the intercoms.

0 dB Output
Audio output for the connection to an external amplification system, with 0 dB level independent from the regulation of the volume of listening on the frontal panel.

Other Elman intercom and beltpack

BIA - Beltpack IFB Amplifier (usable with tbp8)

EL4400/S - Terminal for TBP10 10 channels intercom

TALKBACK PLUS Instant Program 4 Wires Intercom (1RU)

TBP10 - 4 wires handsfree full duplex 10 channels intercom with interrupted feedback (1RU)

TBU - Telephone Balance Unit (telephone to 4 wires) (usable with tbp8)