Although I have the standard 2.7 kHz filter in my K3S, the 2.8 is
reported to give a little bit better SSB sounding audio. From
experience with another radio, opening up the SSB BW 100 Hz gives a wee
bit better sounding audio. Emphasis on "wee" bit. As to the 2.1 kHz, I
opted for a 1.8 kHz as a 2nd filter and I've found it good for SSB
reception in heavy QRM. A 500 Hz is the third filter for CW and Digital
work. These are roofing filters and it is the DSP engine which gives
the receiver selectivity.
Everyone has their preferences and these are mine in both of the
stations on the desk.
73
Bob, K4TAX
On 8/26/2018 7:45 AM, Lee Murrah via Elecraft wrote:
I am looking to upgrade my K3S with filters and am using the DX version of the
radio as a guide. What is the advantage of the 2.8 KHz filter over the stock
2.7? What does the 2.1 KHz filter do for you?
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