I have the new synth boards, since that was clearly worthwhile. Already have outboard preamp & don't care about USB since at this point seems like I've accumulated a herd of USB/RS232 converters that work fine, plus Tascam audio interface.
I'll have to check DSP board rev. Was there a specific serial number for that changeover? Thanks for the info! 73, Josh W6XU Sent from my mobile device > On Sep 3, 2018, at 8:40 AM, Don Wilhelm <donw...@embarqmail.com> wrote: > > Josh, > > Yes, the K3S has some improvement to the audio in that there is an extra gain > stage that distributes the audio gain a bit better. I do not consider it > worthwhile for my K3 - the DSP board would have to be replaced. There was a > change to the K3 DSP board much earlier that added a low pass filter as well > as lower frequency audio response to the original K3 audio. For a time, > there wa a DSP board swap program to upgrade the DSP board, but that has now > been retired, but you can still purchase the low pass filter add-on. If you > have the Rev D DSP board, it is already installed. > > The new synthesizer will get you the most "bang for the buck" improvement in > the K3 RF performance, and the new KXV3B adds the 20 dB preamp for 17 meters > and above. The KIO3B can add the USB interface rather than the RS-232 as > well as an internal soundcard. > > 73, > Don W3FPR >> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
