Hi Tony,
Your best bet is to post a "want" on the reflector, and to call a few
dealers. Ross Distributing and LaRue sometimes carry discontinued
accessories on closeout. They both advertise in QST and CQ.
The PA devices in the IC-728 are a pair of 2SC2904's.
Best 73,
Adam, VA7OJ/AB4OJ
North Vancouver, BC, Canada
http://www.qsl.net/ab4oj/
Note new e-mail address:
mailto:[email protected]