Analog radios have almost no latency, but it's almost impossible to find a pure analog radio anymore. Most conventional radios switch over to DSP in the IF stage, which introduces anywhere from a few ms of latency up. For example, the TS-890s hybrid has about 25ms receive latency. Then when you go to full SDR you probably get a somewhat bigger number, anywhere from 40 up. But the real source of latency in current systems is Bluetooth, which can run in the range of 200ms. New Bluetooth protocols aim to bring that down to a reasonable 40ms, but they aren't widely available yet.
So for now, use wired headphones. ED / W2RF -----Original Message----- From: [email protected] <[email protected]> On Behalf Of Jim Brown Sent: Wednesday, October 14, 2020 1:00 PM To: [email protected] Subject: Re: [Elecraft] K4 Headphones Q On 10/14/2020 8:31 AM, E.H. Russell wrote: > Wireless introduces latency, wired does not. DIGITAL introduces latency, NOT radio. ANALOG radio over short distances does NOT add latency. In systems like Bluetooth, it is the A/D and D/A conversions that add latency, NOT the radio transmission of the digital signal. 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]

