[Elecraft] Narrow bandwidth ESSB?
John Huggins
john at johnhuggins.com
Sun Aug 19 23:22:10 EDT 2007
Darwin, Keith wrote:
>I've wondered for a while how to achieve this. By "this" I mean top-notch SSB audio without resorting to wide bandwidth.
>
>Say we limit the bandwidth to 2.8 KHz. What sorts of things should be done to make the audio as good as possible? I'm thinking a signal chain like this:
>
> - Good condensor mic (probably not a communications mic)
> - Parametric EQ.
> - Compresser running 6:1 or so (RNC?)
> - Maybe a bit of overdrive (tube distortion, just a touch?)
>
>
Hmmm well I think we know what you are after with the tube "overdrive."
You seek the rounded gain curve at the tube's input limits right? This
is the same as a form of compression so I would just stick with a real
compressor chip or device to get what you want.
It should be noted since compression deviates from perfect translation
from input to output, it is distortion... at least a form of it. So
your view of tube "distortion" is an interesting one and is a good
reminder that compression should be used gingerly.
> - BBE Sonic Maximizer to put some sparkle into things.
>
>Any other ideas? I think a lot can be done without resorting to wide bandwidth. I'm interested in clear audio that cuts through without sounding "like a contester".
>
>- Keith N1AS -
>- K2 5411.ssb.100 -
>
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