Fred, R35 and R36 are only in series with the headphones, not the speaker (follow the audio amp output through the switch on the headphone jack to verify).
You will have to experiment with the required value - I do not have voltage levels corresponding to the numbers of STL, nor do I have the SPL rating for your headphones. 73, Don W3FPR > -----Original Message----- > > Tnx Don > > I think you may have hit the nail on the head. I DO have to reduce the > volume greatly when using the headphones. From my perusal of the schematic > for the K2, it looks like if I changed R36 it would change the AF level on > both the speaker AND the phones...NOT what I *think* I want. It looks like > R35 (a 82 ohm resister) is in line with the AF feed for the phones. Does > this look right?? > On Phones I use a sidetone level of 25...on speaker I use a sidetone level > of 140....is it possible to deduce from this what a good value of resister > would be for R35?? > > TNX for the help!! 73...de...Fred N9TA > -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.15.28/605 - Release Date: 12/27/2006 12:21 PM _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
