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https://groups.io/g/Elecraft-K3/topic/75701942
Hi folks, after super strong station signal hit my K3, the audio from speaker is distorted and it resonates somehow (with cover?). Also band noise has been distorted somehow at first and band noise audio sound was changed itself. When switchen K3 off/on the strong beep was heard during boot/start.
K3 Enhancements and Mods and Tech Alerts – Elecraft
https://elecraft.com/pages/k3-enhancements-and-mods-and-tech-alerts
Some K3 owners have noted distorted transmit audio caused by RF energy being coupled into the front-panel microphone input. In most cases this has been corrected by bypassing an RF choke in the K3 microphone circuit as described in this application note. Revision A November 12, 2008
K3 AGC and Apparent Noise and Signal Distortion
https://elecraft.mailman.qth.narkive.com/nxyLLPrY/k3-agc-and-apparent-noise-and-signal-distortion
related noise as the K3 does not behave as if that were the case. Those that have seen the same issues as I have all report similar symptoms, specifically: 1) "Noise" that is apparent with the AGC on 2) Weak signal audio distortion (not 100% of the time) 3) fatigue from (1) and (2) above.
Distorted audio caused by RF feedback on early Elecraft K3s
https://www.remoterig.com/forum/index.php?topic=1231.0
Thor TF4M who has a very early K3, had problem with distorted audio caused by RF feedback when he was installing his remote station. After lot of troubleshooting he found the Application Note from Elecraft. http://www.elecraft.com/K3/mods/K3_Application_Note_Front_Panel_Microphone_Grounding.pdf
[Elecraft] Help! K3 God-awful transmit audio - narkive
https://elecraft.mailman.qth.narkive.com/8jsS5otZ/help-k3-god-awful-transmit-audio
flat receive equalization. The audio indeed could be classified as "muffled". Furthermore, it also sounded distorted, as thought the microphone gain was set too high. Oddly, it was distorted independently of the gain setting. I have not had a voice QSO on the K3 since that moment. The K3 transmit audio, at least on 40 meter LSB, was horrid.
K3S Transceiver – Elecraft
https://elecraft.com/products/k3s-transceiver
Elecraft’s state-of-the-art K3S transceiver offers a unique combination of ultra-high performance and affordability. The factory-assembled K3S is comparable in both features and performance to transceivers listing at up to six times its price. In a first for the industry, the K3S’s identical main receiver and subreceiver each feature a high ...
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