The Elecraft KX3 has a pulse……..

KX3 serial number 1990
The KX3 is all together now and there was some bumps in the road and I will share them in a later post. I still have to calibrate the roofing filter I will be using my Elecraft XG2 to do this but this may have to wait for another day. I have been hidden away in my radio room for a day and a half. The build took longer as I was videoing the process. The video will be divided up into segments of the build........see how it turns out.
Mike Weir, VE9KK, is a regular contributor to and writes from New Brunswick, Canada. Contact him at [email protected].

6 Responses to “The Elecraft KX3 has a pulse……..”

  • W2LJ:


    The roofing filter is pre-calibrated at the factory. No need to do it a second time.

    Larry W2LJ

  • scruss VA3PID:

    Did you check the speaker for adhering washers? Seems that was behind some owners’ sound quality problems.

  • Mike VE3WDM:

    Good evening Larry, I thought if I purchased the KX3 as a kit that the roofing filters had to be calibrated. I was under the impression only factory built units came pre-calibrated??

  • Mike VE3WDM:

    Scruss thanks for the reminder I did go over the speaker very carefully for any lock washers or anything the speaker magnetic may had gotten ahold of…but there was nothing to be found.
    Thanks for the reminder.

  • Bill K7BRR:

    Mike the errata sheet sez all is factory calibrated. Just finished 2013 yesterday. Only goof is I used the long screws for the heat sink and the screws left were to short to anchor the transistor tabs swapped them out and all was OK.
    100% parts, no shortages. Thanks Elecraft.

    Bill J

  • Mike Ve3WDM:

    Good evening Bill, thanks for taking the time to comment and yes I have had lots of feedback regarding the filter it not having to be calibrated. I did not get a filter with the errata sheet….but the support from fellow Elecraft has been great.
    Thanks for taking the time to stop by and comment

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