Re: [Elecraft] K3 Firmware Rev. 2.76: No AF noise burst; PRE/ATTN independent for sub RX; etc.

On my K3 there is still quite a loud speaker 'pop' with Power On and Off after loading firmware revision 2.76. Looking at the NS data sheet for the audio amplifier IC shows that it has click suppression built in. The length of the suppression period is determined by the value of the capacitor on

Re: [Elecraft] K3 Firmware Rev. 2.76: No AF noise burst; PRE/ATTN independent for sub RX; etc.

I too still suffer from the notorious pop when powering on. I would be interested if this change may help. 73, es happy holidays Chris Stewart Baker wrote: On my K3 there is still quite a loud speaker 'pop' with Power On and Off after loading firmware revision 2.76. Looking at the NS data

[Elecraft] K3 Firmware Rev. 2.76: No AF noise burst; PRE/ATTN independent for sub RX; etc.

K3 beta-test firmware revision 2.76 (with DSP rev 1.98) is now available. See release notes below. Please send any problem reports to k3supp...@elecraft.com. For instructions on how to load beta firmware, please see: http://www.elecraft.com/K3/k3_software.htm 73, Wayne N6KR * * * MCU

Re: [Elecraft] K3 Firmware Rev. 2.76: No AF noise burst; PRE/ATTN independent for sub RX; etc.

Wayne, Thanks so much for correcting the SSB audio issue. It works just fine now. Merry Christmas and Happy New Year to you and all the Elecraft crew. 73, Dick, W0NTA wayne burdick wrote: K3 beta-test firmware revision 2.76 (with DSP rev 1.98) is now available. See release notes below.