One outstanding question that's not addressed in the announcement below relates to whether or not Main DSP Board Rev. C includes the hardware audio LPF. So, if a K3 owner purchases the K3DSPUPGD upgrade today, will it also contain the audio LPF?
Paul, W9AC ----- Original Message ----- From: "Bill W4ZV" <btipp...@alum.mit.edu> To: <elecraft@mailman.qth.net> Sent: Thursday, December 17, 2009 8:59 AM Subject: Re: [Elecraft] K3: Noisy Receiver? - not here! > > > > Bill W4ZV wrote: >> >> You will not need to modify a new K3. The mod was implemented around S/N >> 3010 last April/May. New unit S/Ns must be approaching 4000 by now. >> > > For the record, here's the information from Elecraft: > > > "We started shipping the latest DSP boards, Rev C, approximately May 1st, > 2009. Any K3 DSP board Rev C or later will have the extended low end > audio > response enhancement. > > This corresponds approximately to K3 serial number 3018, plus or minus > 10-20. > > Since assembled -Fs and kit K3s flow through different manufacturing > paths, > there is a slight variance in s/n for the phase-in. > > If in doubt, check the DSP board Rev as noted above. > > A picture of the Rev label location : > > http://www.elecraft.com/K3/mods/dsp_rev_c_information.htm > > (The 'C', or later, revision letter at the bottom of the label is what is > important.)" > > > To order the mod kit, order K3DSPUPGD here: > > http://www.elecraft.com/order_form_parts.htm#K3%20Parts > > > 73, Bill > > -- > View this message in context: > http://n2.nabble.com/K3-Noisy-Receiver-not-here-tp4181034p4181412.html > Sent from the Elecraft mailing list archive at Nabble.com. > ______________________________________________________________ > 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 > ______________________________________________________________ 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
