On 2020-03-02 11:34 AM, Grant Youngman wrote:
>
> A maximum around 6 KHz would be better,

Audio response greater than 3 KHz is *never* appropriate for
amateur radio.  Amateur radio is, after all, a communications
service not an entertainment medium.

As a certain FCC official said in a hamfest forum a few  years
ago, "if you want more than 3 KHz, get a *BROADCAST* license."

73,

   ... Joe, W4TV


On 2020-03-02 11:34 AM, Grant Youngman wrote:
An audio response of 4-5 KHz isn’t unreasonable.  A maximum around 6 KHz would 
be better, and since it will be adjustable, the response (with relatively steep 
rolloff) can be tailored to be compatible with band conditions and occupancy as 
necessary.

I know this is a sensitive, if not plain explosive, topic in some circles — but 
most AM users do manage their bandwidth with common sense, and to be 
considerate of the rest of the community.

Grant NQ5T

On Mar 2, 2020, at 10:46 AM, Eric Swartz <[email protected]> wrote:

One note - Wayne is saying the K4 -audio- b/w in AM will be somewhere
between 4 and 5 kHz.  The actual DSB AM b/w that results will be between 8
and 10 kHz.

73,
Eric
*elecraft.com <http://elecraft.com>*




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