[Elecraft] K3 BUFFER MOD?

[Doug Joyce]

Bill:  I can't comment on the warranty part, but as to the rest -

I just finished my K3 (S/N 2432) and have the LP-Pan up and running with a
Dell D830 notebook and the E-MU 0202 sound card.  While it has only been in
use about a week and I've not completed all the calibration yet, use of the
K3 preamp (as Larry has suggested) seems to provide a noise floor of better
than -110 and I can see just about everything I can hear.  If you decide to
do the mod, the parts are available from Digi-Key.  The 49.9 ohm is P/N
RR12Q49.9DCT-ND and the 15.5K P/N is RR12P15.0KDCT-ND.  These are 1/10W .5%
0805 SMD and less than $4.00 for a qty of 50.

Based on the performance to date and the fact that I'm new to SMD I've not
felt the need to do the mod on my K3 yet, although I did get the parts a
week or so ago.

Hope that helps

73

Doug,  VE3MV


----- Original Message ----- 
From: "Bill Maddock" <n4zi96 at yahoo.com>
To: <elecraft at mailman.qth.net>
Sent: Saturday, January 31, 2009 12:58 PM
Subject: [Elecraft] K3 BUFFER MOD?


> Guys,
>
>   Later today I will start building my LP-PAN kit - I was wondering
> if the K3 Buffer mod that is recommended will void the warranty
> on my radio? Is it really worth the effort? Where is best place to
> attain parts? I have the K3 Audio line out mod kit to do figured
> I should probably do it all at the same time? My S/N is 1059
>
> Thanks and 73,
>
> Bill N4ZI
>
>
>
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