Perhaps this information quoted from a private e-mail received from Eric within the last 48 hours will provide a definitive answer:
> ALL of the DSP UPGRADE boards have the LPF that rolls off above 4-4.5 > kHz in addition to the low frequency response parts. > > We originally thought that the upgrade board would only have the low > freq components and wouldn't have the LPF - that's what I originally > posted. But we were able to get the LPF board here in time before we > shipped the first upgrade, so I added that to the upgraded DSPs at no > additional charge. > > Note that we should be referring to the assembly level of the DSP > board, not the raw PCB fab revision level. When the LPF is added to > the earlier DSP board that already has the other low freq component > changes, it rolls the assembly from Rev C to Rev D. All DSP UPGRADE > boards are at Assembly Rev D. Also, production K3 DSPs that have all > of the changes incorporated in new PCB are also assembly Rev D, since > they are functionally identical. > > All K3s currently ship with the Assembly Rev D DSP that includes all > the mods. 73, ... Joe, W4TV > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Saturday, December 19, 2009 10:34 AM > To: [email protected]; 'Lisa Jones - Elecraft Sales' > Subject: [Elecraft] [K3] K3DSPUPGD > > > I find no actual description of what the K3DSPUPGD (REV > C) consists of. Does it include the lowpass audio filter that > everyone keeps talking about, or is that an additional add on > to the REV C DSP board? > > Could someone from Elecraft please straighten me out on > this so I can determine if there is something additional I > need to order for the REV C DSP upgrade board? All this talk > on the subject has got me confused. > > > Stan Rife > W5EWA > ______________________________________________________________ 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

