When I half plug in my microphone, a church radio station plays.

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Unplugging and Unplugging: A Mysterious Audio Encounter

In the world of audio equipment, unexpected phenomena can sometimes lead to intriguing discoveries. Recently, I stumbled upon a peculiar situation involving my setup that left me both curious and amused.

I utilize the Mod Mic Uni as my primary microphone, paired with the Sennheiser HD58X headphones, all connected through a Schiit Fulla 3 amp/DAC. While adjusting my gear, I noticed that my microphone was notably quiet. Seeking to rectify the situation, I decided to unplug it and reinsert it. To my surprise, for just a fleeting moment, I heard voices—a church radio station, to be precise.

Intrigued by this anomaly, I further experimented by carefully reinserting the jack. As I slowly pushed it back into the socket, I was met with the unmistakable sounds of a broadcast, as captured in this image link.

This odd occurrence raises the question: what could be causing my microphone to tap into a radio frequency? It seems that when the connection is not fully secured, the circuit may inadvertently pick up stray signals, turning an ordinary microphone into an unexpected receiver of local radio transmissions.

If you’ve ever faced a similar audio conundrum or have insights into this phenomenon, I’d love to hear from you. Share your experiences and thoughts in the comments below!

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One Comment

  1. Potential Causes and Troubleshooting Steps for Radio Interference When Using Your Microphone

    Dear User,

    Thank you for sharing your detailed experience. The issue you’re encountering—hearing radio stations when plugging or unplugging your microphone—is likely related to electromagnetic interference (EMI) or grounding issues within your audio setup. Here are some suggestions to help mitigate this problem:

    • Check Grounding: Ensure all your audio equipment, including the Schiit Fulla 3 amp/DAC, headphones, and microphone, are properly grounded. Poor grounding can lead to picking up stray radio signals.
    • Use Shielded Cables: Verify that your microphone and audio cables are shielded and of good quality. Shielded cables help prevent external RF interference from being picked up.
    • Separate Power Sources: Make sure your audio interface, microphone, and computer are connected to the same power outlet, or use a power conditioner to reduce electrical noise.
    • Inspect Connections: Ensure all connections are secure. Sometimes, an unstable connection can cause the circuit to behave unpredictably, including acting as an unintended antenna.
    • Reduce External RF Sources: Try to minimize the presence of nearby radio transmitters or electronic devices that could be emitting RF signals.
    • Implement Ferrite Beads
    Reply

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