On 3/21/2016 7:38 PM, Eric Swartz - WA6HHQ, Elecraft wrote:
One thought for those using the 2.7 or 2.8 SSB filters. Try reducing the DSP bandwidth to 2.4 kHz or so, and shifting the center freq. down 100 Hz. Many other radios have a 2.4 kHz SSB filter, and while it does restrict the audio fidelity as compared to the 2.7/2.8 kHz filters, the reduction in the upper cutoff to 2.4 kHz reduces the amount of high frequency band noise and interference, which may account for what some construe as a 'smoother' sound.
Many "traditional" transceivers also have a 3 to 6 dB per octave roll- off in audio frequency response above 800/1000/1500 Hz (depending on the manufacturer) which limits the high frequency "crud". While there are some who have a "religious" opposition to using RX EQ in the K3/K3S, I've found that setting the 3200 Hz "band" to - 6dB (or -10dB) greatly helps with the sound on SSB and setting both 2400 and 3200 to -16dB is useful in CW. 73, ... Joe, W4TV ______________________________________________________________ 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]
