[Elecraft] SSB Features of the KX2 & KX3 You May Have Overlooked...

[Walter Underwood]

At one point, CMP would reset whenever I changed bands on my KX3. I did an EEINIT and reloaded the config, which fixed it.

Make sure you have a saved config before you EEINIT.  The radio needs the config values to work properly.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Dec 5, 2018, at 4:38 AM, Gerry leary via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> Hello everybody, I have found that at least in my KX three the equalizer settings appear to be negated when I turn compression on. Even if I set them really strangely with compression off, it goes back to whatever it was when I turn compression on. So I guess what I’m trying to say is no matter what I do with the equalizer, compression seems to negate it.
> 
> Sent from my iPhone this time 
> 
> On Dec 4, 2018, at 10:14 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
> Speech compression and EQ to get rid of the lower octaves of speech is a wonderful thing, and can increase "talk power" significantly. My starting point with TXEQ for maximum talk power is max cut of the three lowest bands (-18dB), 6 dB cut of the fourth band, 3-6 dB of boost on the top two bands. Do that BEFORE setting compression.
> 
> But EXCESSIVE use of compression can be a very BAD thing. I'd be very cautious about using more than an indicated 1-2 dB on voice peaks.  It should NOT be adjusted to a certain number on  the CMP readout, but rather to the meter that shows gain reduction.
> 
> Once these settings are done, get signal reports from trained listeners, and tell them to set their RX bandwidth fairly wide.
> 
> These two settings -- good low cut of voice frequencies and 10 dB of compression can increase talk power by 13 dB. That's multiplying your effective TX power by 20!
> 
> 73, Jim K9YC
> 
>> On 12/4/2018 7:45 PM, Wayne Burdick wrote:
>> Speech compression can add a lot of "punch" to your low-power signal, bringing up average voice power. As with the K3/K3S, our KX-line compression algorithm is exceptionally clean. Use the CMP switch on the KX3 (TX CMP menu entry on the KX2) to dial in compression of up to 30 dB.
>> 
>> 
>> *** Receive and Transmit EQ ***
>> 
>> 8-band graphic equalizers (MENU:RX EQ and TX EQ) can be used to tailor the receive and transmit audio to your liking.
> 
> 
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