[Elecraft] KX3 DX
Curt Nixon
radio.ku8l at gmail.com
Mon Aug 20 14:35:52 EDT 2018
So if I utilize these same compression and hpf adjustments and
equalization my 100W will sound like 1KW?? maybe on paper..
KU8L
On 08/20/18 2:12 PM, Jim Brown wrote:
> On 8/20/2018 7:37 AM, K3ICH wrote:
>> As the saying goes, "Five watts is five watts".
>
> The saying is an oversimplification. The KX3 includes two important
> tools to increase talk power on SSB -- TX equalization, which can be
> set to emphasize speech intelligibility and minimize power wasted
> below 400 Hz, and amplitude compression and peak limiting, which
> brings quieter speech sounds closer to the level of louder ones. When
> set for about 10 dB of compression on voice peaks, it makes 5 w the
> equivalent of 50W, and the TXEQ settings add 3 dB, making 5W the
> equivalent of 100W.
>
> These tools, which are called "audio signal processing," have been
> used in broadcasting since at least the '50s. They are also built into
> the K3, K3S, and KX2.
>
> 73, Jim K9YC
>
>
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