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SmartSDR v3.9.19 and the SmartSDR v3.9.19 Release Notes
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The latest 4O3A Genius Product Software and Firmware
SmartSDR v3.9.19 and the SmartSDR v3.9.19 Release Notes
SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
The latest 4O3A Genius Product Software and Firmware
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Maestro MIC2 audio AC noise
Hello.
I have a problem with Maestro MIC2, not its possible transmit without high noise, such AC power, I tested dynamic microphone, electret capsule, Trust quasar headset, Heil Sound Proset Elite, Heil Sound Pro7, with and without BIAS all with same result. Also I removed the AC switched power supply using a linear power supply. It is possible that I have a hardware problem on Maestro?
https://vocaroo.com/i/s15MsA7A5DbR I attach audio sample of noise.
Thanks in advantage, Miguel EA5GF
0
Comments
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Hi Miguel Please open a support case. Mike0
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It might be because of the mic jack plug wiring. The mic plug must have a TRS plug (Tip Ring Sleeve).0
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I have exactly the same noise problem using any mic plugged into the Maestro. It is worse with the flex FHM-2 mic. Any suggestions?
Howard AE3T0 -
Hello.
I send finally to Flex EU service, after change the display and back to my home have the same problem:-( Arrived from factory with this problem, tested with two Flex radios and MIC1 input. I will ask the seller to return the money or change it for a new one, It is a manufacturing defect and I could not use my new Maestro after two months.
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Sounds like either a wiring issue or bias maybe on when it needs to be off or visa versa. My RS 55 headset works fine here
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Wow tested with power bank without any PSU and no more noise! :-)0
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Try change Power supply by another.0
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