I use a Sirius XTR1 receiver in the XACT boombox and car adapter. The
XTR1 (shown here http://tinyurl.com/87cvu ) gets very hot to the touch.
Is this heat dissipation normal? It has a lot of vent holes so it
appears it's designed that way.

Does your Sirius XTR1 radio get very warm ? If so, any idea why ? Does
the LNA or other circuits cause that ?

Thanks, Greg