Neal, It may be that your LSB BFO is not currently set anywhere close to the correct setting, and your efforts are being confounded by that situation.
I recommend that you first re-do the LSB BFO setting in receive using Spectrogram and a noise generator. If your OP1 filter width is the older 2.1 kHz, set markers (pointers) at 300 and 2300 Hz and center the passband between them - if you have the newer 2.4 kHz width, use markers at 300 and 2600 Hz. After that, proceed with your "on the air" testing to improve it if possible - and move the BFO only a small bit at a time - and do not move the VFO on the K2 or the Orion while doing this procedure - just set the frequencies to match - assuming your K2 dial frequency is properly calibrated, check that by zeroing 10 MHz (or 15 MHz) WWV and see if the frequency display is correct. 73, Don W3FPR > -----Original Message----- > > Not being a particularly active ham on SSB, I have toyed with it > a bit on K2 > 4490 but bought the MD-2 mic and figured I would 'tune' the BFO to give me > decent audio. I got a couple of 'horrible audio' reports which also drove > the decision. > > I tested the BFO setting using an Orion fed into my computer so I could > record and listen to myself as I tuned. I had to remove the coax > and set the > attenuator on the orion to keep the signal under S9 (I do have a K2/100). > > Trying to adjust the LSB setting on 40m, I honestly could not > find a setting > that was not very hollow and a bit tinny. It was very interesting > seeing how > senstive the audio was to theBFO setting, a slight adjustment could really > mean a big difference. After achieving unsatisfactory result, I glumly did > the USB setting on 20 meters. Oddly enough, it was almost spot on with the > original setting and I believe yields decent (if not great) audio. > > I also noticed (without any scientific basis!) that I had to tune about > 300-400 Hz low on LSB to achieve the best audio while on 20m it was again > spot on with the frequency display of the K2. > > Any clues as to what could cause LSB to sound pretty bad while USB sound > decent? > > Thanks > Neal k3nc > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.322 / Virus Database: 267.4.1 - Release Date: 6/2/2005 > -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.322 / Virus Database: 267.4.1 - Release Date: 6/2/2005 _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
