Originally Posted by djarchow
I am pretty sure the ED lt1300 uses the B&O 1000A ICE modlule which has no built in thermal protection like the B&O 1000ASP modules do. This doesn't mean ED/Kiega couldn't build it into the amp, it just isn't there in the amp module. The 1000asp modules will shutdown if they get too hot from continuous output, though that is at a level far less than 1000 watts (I belive it is > 85 watts continuous for an extended period). This shouldn't be a problem for music/movies though.
If this is incorrect, could you point me to the B&O spec sheet you are referring to as I was unable to find anything else about thermal shutdowns in the B&O materials I have.
Thanks and regards,
Dennis Look at the connection diagram for the 1000A. The 1000A is a DC-bus version of the 1000ASP (this is standard for ICEPower modules).http://www.icepower.bang-olufsen.com...power1000a.pdf
If you look at the 1000ASP, page 5, you see that maximum run time before thermal shutdown is 15 seconds at 1000W:http://www.icepower.bang-olufsen.com...000aspdata.pdf
Right beneath that thermal shutdown, you see the continuous output power is 85 watts. For subwoofer use with transients, it is a decent choice, but as Robert Heinlein said, "There ain't no such thing as a free lunch". In other words, figure out what trade-offs you are making, and be comfortable with them. With ICEPower, there are still trade-offs.
By the way, all that the lack of the thermal protection means is that you run a different risk with thermal shutdown, not that it won't happen at all.