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Someone could tell me if the SIGA-AA30 amplifier and power supply SIGA-APS are compatible with the EST3 ?. The idea is to distribute several SIGA-AA30/SIGA-APS in different points of a buiding.

Thanks...

SIGA-APS, is just a power supply that connects to the siga loop/SLC loop, to monitor troubles (it will work)
SIGA-AA30, is a 40 watt amp (that is of an old design and I bet more expensive then other amps)
the SIGA-AA30 has two input risers and two siga addresses that you would turn on, one for each riser input.
the riser input needs a pre-amp source ie siga-MDM.

you will not find these devices listed for the EST3.
I am sure it will work, but there is better stuff out there.

Thanks for your reply Leo.
Totally agree that there are better ways. For example using the zone amplifiers 3-ZA20B in remote cabinets (each including a 3-CPU3 + 3-PPS/M) we get 8 channels of audio. However, the cost of the system rises.
I want to design a distributed audio system with 7 amplifiers in the network. Do you know any other way to accomplish this and not in the ways mentioned above?

Thanks again,

fasiwi

not having all the info of the layout.
the next thing I thinking is centrally banked audio.
250watt dukane amps. at 70volts, run the amp riser around your joint, using cc1's to connect to the speakers.

to do centrally banked audio right you would need an ATP and USRM.
you would still need the 1volt audio source signal (siga-mdm)