At 03:59 PM 3/9/05, you wrote: > > As for energy efficiency I've never seen a modified mobile > >that would operate at 20 watts with just a few amps input. > >Unless you have seen my Micor conversion that will do 17 watts with just >two final stages... The whole repeater including controller, preamp, >etc. running 17 watts draws a little over 3 amperes at 13.8 volts DC. >Yes, there is a switch in the B+ line for the audio PA, and yes, at this >current draw it is turned off.
The standard trick is to replace the volume control with one that has a switch, and use that switch to control the power to the audio PA. This technique works on both Micor and Mastr-II repeaters, either mobile based or station based. >Pictures of a similar PA are here: >http://www.shol.com/kuggie/ahra/hmftinfo.html > >Kevin Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/

