Yes -- the later edition of the K3S PA. The circuitry for both the 10 W and 100 
W stages was refined significantly when we adapted them for the K4.

Wayne
N6KR



> On Jun 1, 2022, at 8:57 PM, Dynolab <dyno...@comcast.net> wrote:
> 
> Does the K4 use the same final as the K3S?
> 
> Tnx
> Hal
> W7YNC
> 
> -----Original Message-----
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
> Sent: Wednesday, June 01, 2022 7:31 PM
> To: Elecraft Reflector
> Subject: [Elecraft] New K4 Beta Software Available (Release 30/Beta 2)
> 
> As you may recall, the previous beta release for the K4 (now known as
> Release 30/Beta 1), was still possessed by a couple of gremlins. Our
> software team dug in, and with this new beta (Release 30/Beta 2), we feel
> we've eradicated these pests.
> 
> To make sure, we doubled the number of field testers a couple of weeks ago.
> Both our old and new FTs have been diligently testing the latest code,
> including a thorough ring-out during last weekend's CW contest (WPX). 
> 
> "There's always another bug," to quote an anonymous sage, but please...go
> for it. We'd love to get hundreds of K4s going on this new release, and
> hopefully promote it to full production status next week.
> 
> Release notes for the latest update appear below. For complete release notes
> including R30/Beta1 and R29, visit our K4 software page. They can also be
> viewed via the UPDATE function on your K4.
> 
> 73,
> Wayne
> N6KR
> 
> 
> * * * * *
> 
> RELEASE 30/BETA 2
> 
> June 1, 2022
> 
> 
> IMPORTANT NOTE
> 
> THIS RELEASE INCLUDES CESSB AND THE NEW NARROW CW FILTERS. 
> For full details, please refer to the notes for release 29.
> (RX DVR record/play is still being refined.) 
> 
> 
> ===== BUG FIXES =====
> 
> CW-REVERSE TEXT DECODE: This is now working correctly.
> CW-REVERSE MINI-PAN: There is no longer any unusual pixellation in CW-R
> mode.
> TOUCH PANEL: Touch panel controller functions improved to eliminate
> errors/lockups.
> RX AUDIO OUTPUT: Further corrections now in place to eliminate loss of
> audio.
> MSG RPT in CW mode no longer continues to flash when a message is
> interrupted with a paddle or key.
> ALC/POWER/SWR meters should no longer show "stale" values.
> PAN FREEZE feature now completed.
> MINI-PAN doesn't flicker on/off at times when it is touched but is not
> available.
> 
> ===== FOR SOFTWARE DEVELOPERS =====
> 
> #FRZn; is now working properly
> Added #FRZ; getter
> Added #FRZ/; toggle
> #FRZn changes now sent to clients
> Added MI/; toggle command
> Added new LOG; command to copy logs to any installed USB flash drive
> 
> 
> 
> ______________________________________________________________
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> 
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> delivered to dyno...@comcast.net 
> 

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