Hello, I wonder if anyone else experienced this type of problem and has a possible solution ?
Independent of any connectiions I found out a 50Hz hum on my Line-In audio. After a long investigation I figured out it was a coupling with other transformers external to the K3. The transformer of my ampliflier ( 10" away from my K3 ) couples an audible 50hz hum into the Line-In input. It seems the small isolation transformer in the Line-In line is prone to pickup of 50Hz/60Hz magnetic field. Always I'm able to simulate it with other transformers. Increasing the distance from the K3 to the amplifier is not an option as my shack space is limited. Any sugestions to prevent it? 73 Harry DM5TI ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
