I've used this headphone distribution amp, it has jacks and pots for four listeners. $25.
http://www.amazon.com/Behringer-HA400-4-Channel-Stereo-Headphone/dp/B000KIPT30/ wunder K6WRU On Jun 1, 2014, at 11:29 AM, "Joe Subich, W4TV" <[email protected]> wrote: > > On 2014-06-01 2:11 PM, Jim Brown wrote: > > I agree with Don that it's perfectly fine to parallel two sets of > > headphones on the output of a K3. The load impedance of most modern > > headphones is much greater than 16 ohms. > > You can't guarantee that with any two random headphones - my shack has > headphones anywhere from 8 Ohms to 200 Ohms. Paralleling headphones > of with differing impedance and sensitivity will result in one operator > getting too much or too little audio and may require gain high enough > to result in excess distortion or dissipation. > > 73, > > ... Joe, W4TV > > > On 2014-06-01 2:11 PM, Jim Brown wrote: >> On 6/1/2014 7:45 AM, Joe Subich, W4TV wrote: >>>> You should have no problems with paralleling 2 headphones on the >>>> audio output of the K3, with no need for any external mixer. >>> >>> I would not risk it. The K3 headphone amplifier is only rated for 105 >>> mW at 16 Ohms. >> >> I agree with Don that it's perfectly fine to parallel two sets of >> headphones on the output of a K3. The load impedance of most modern >> headphones is much greater than 16 ohms. >> >> 73, Jim K9YC >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] -- Walter Underwood [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
