| > Hello, I would say you have bad filter capacitor in the power supply. Or maybe a bad rectifier diode, but that would be more of a buzzy sound..... You didn't say what your machine is but still I would check the power supply. Al Neva M400S #343 -------Original Message------- From: Mattias Olsson Date: Tuesday, February 11, 2003 01:29:36 PM Subject: [Mellotronists] Weird hum Hi ! I hada worrying experience today...Turned on my tron and after 3-4 minutes I started to get a loud bass hum and then something that resembled Ringmodulation/distortion.... I am getting a bit worried about the Electricity in my Studio... Any ideas ? // Mattias To unsubscribe from this group, send an email to: Mellotronists-unsubscribe@yahoogroups.com Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. | |||