Good answer!! Fast, too. Hihi Sent from my mobile device
> On Apr 25, 2018, at 11:12 AM, Jim Brown <[email protected]> wrote: > >> On 4/25/2018 10:54 AM, Rich wrote: >> Is there a commercial item for this purpose? > > Yes, the RANE HC-6 would work. And they make several other small mixers that > make it easy to switch and route audio. While the mixers may not have a > stereo headphone output, you could easily make a cable adapter from the > outputs to a cable-mounted stereo jack. I would study their catalog and look > for the products used on ebay. > > There's also a discontinued Shure product that does what you want. It's the > model FP22 headphone amplifier. Runs on internal batteries or 12VDC. Very > nice. > >> >> I know I will need an audio isolation transformer between each radio and the >> splitter/switch. Any suggestions on what a good impedance value would be >> for those transformers? > > No, a transformer is NOT needed. All that is needed is proper bonding between > all equipment in your station, including audio gear like the HC-6 or FP22. > Study > http://k9yc.com/GroundingAndAudio.pdf > > 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]
