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SEQUENTIAL/DSI => Prophet => Prophet Rev2 => Topic started by: musicprohead on July 22, 2023, 09:48:18 AM

Title: Weird noise coming from prophet all of a sudden
Post by: musicprohead on July 22, 2023, 09:48:18 AM

Hello All I am getting this weird noise from my prophet rev 2.
I tried changing cables nothing.

I am running an RME Fireface UFX. I even swapped inputs with my OB6 and the same thing happened, so it's not an input issue. Even when the unit it turned off, it makes that noise.

Title: Re: Weird noise coming from prophet all of a sudden
Post by: musicprohead on July 22, 2023, 11:11:02 AM

Noise went way when i unplugged it

Title: Re: Weird noise coming from prophet all of a sudden
Post by: shiihs on July 25, 2023, 11:04:19 PM

I suspect a USB ground loop. It's an annoying problem of USB midi. If you happen to have a laptop connected to the synth, try running it on battery instead of power supply and see if the noise disappears.

Title: Re: Weird noise coming from prophet all of a sudden
Post by: thickravioli on April 25, 2024, 08:24:02 PM

Quote from: musicprohead on July 22, 2023, 09:48:18 AM

Hello All I am getting this weird noise from my prophet rev 2.
I tried changing cables nothing. doodle baseball (https://doodlebaseball.io/)

I am running an RME Fireface UFX. I even swapped inputs with my OB6 and the same thing happened, so it's not an input issue. Even when the unit it turned off, it makes that noise.

I think this problem is due to usb midi. try connecting to a synthesizer and try running it on battery instead of mains and see if the noise goes away.