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tx eq for K3

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John-484

tx eq for K3

Hi wonder what the average tx eq values for normal ssb? what i'm using is a modified D104 with buffer amp and my eq setting (50 HZs thru 800 HZs -16) (1200HZs +5) (2400HZs +0)(3200 HZs +0) audio reports have been good would like to know what you folks are doing with your settings...John K1GUN

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Phil LaMarche-2

Re: tx eq for K3

I would like to know if anyone is using the EV RE27 microphone and if so, what setting are you using?

Please.

Phil

Philip LaMarche
LaMarche Enterprises, Inc.
www.instantgourmetspices.com

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From: [hidden email] [mailto:[hidden email]] On Behalf Of John
Sent: Thursday, January 22, 2009 1:47 PM
To: [hidden email]
Subject: [Elecraft] tx eq for K3

dh2wq

Re: tx eq for K3

In reply to this post by John-484

Hi,
i discovered some days ago a significant delay in the TX SSB Monitor.
I turned all TX EQ setting to 0 and hoped the delay will be smaller,
but no effect for my ears.
I actually have no K3, but I'm thinking to get one soon. The only
point which is bothering me is the delay in the SSB TX monitor.
I'm wondering if it is possible to bypass the digital filters and
improve delay. I'm really not in the DSP Software (I guess this part
is placed in there), but maybe it is possible to use DMA transfer if
all equalizer settings are 0.

I'm going to a friend with a K3 the next weekend, maybe a
softwareupdate fixed the delay or improved a bit more in my direction.
Last time i used it was in october.
73 Olli, DH2WQ

On Thu, Jan 22, 2009 at 7:47 PM, John <[hidden email]> wrote:

> Hi wonder what the average tx eq values for normal ssb? what i'm using is a
> modified D104 with buffer amp and my eq setting (50 HZs thru 800 HZs -16)
> (1200HZs +5) (2400HZs +0)(3200 HZs +0) audio reports have been good would
> like to know what you folks are doing with your settings...John K1GUN
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

KK7P

Re: tx eq for K3

> i discovered some days ago a significant delay in the TX SSB Monitor.
> I turned all TX EQ setting to 0 and hoped the delay will be smaller,
> but no effect for my ears...

Changing Tx EQ settings has no effect on delay.

The Tx Monitor audio in the K3 is taken from the 15 kHz IF in the DSP,
after all processing has occurred. There are several milliseconds of
overall delay in the path from the microphone to the speaker.

The delay is entirely in the required filters, not in the speed of the
DSP or the means used to transfer the samples.

Tx Monitor audio could be taken just from the audio path in the DSP, but
then you would not be able to hear the effect of compression, for
example. We decided it was best to be able to hear the effects of all
user-adjustable settings which might affect the transmit audio.

73,

Lyle KK7P

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