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> Really Annoying Buzzing, Why has it all gone hideously wrong?
bobstermarley
post Mon 9 Jul 2007, 23:08
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From: Nottingham - UK
Member No.: 16,649




Just been in to do a spot of tinkering and flicked everything on and got a really irritating buzzing noise coming through my speakers.

Have managed to isolate it down to the MobilePre USB interface suddenly not liking the Belkin USB hub or rather, not liking the power supply being connected to it. The MobilePre USB works fine when the hub is switched off, but when it's on, I get the buzzing.

It's only just started doing this, so I flicked everything off and on again. Now ALL of the lights on the Belkin hub have gone off and it doesn't seem to be working at all. In short, I think my USB hub has died.

As you can see from my gear list, I'm running everything on a PowerBook, so USB ports are not exactly plentiful (there's only 2 on it) so I need a USB hub to get everything up and running.

Has anyone got any recommendations or suggestions for a nice meaty USB hub worth investing in to sort out any current issues with the MobilePre USB and also for any future gear I might invest in and need yet more USB connections? Surely I can't be the only person in the world who needs more than 4 USB ports?


--------------------
Current inventory

Hard
G4 PowerBook
M-Audio MobilePre USB
M-Audio Keystation Pro 88
Korg MS-20 Controller
Roland PC-300
Ovation Celebrity Deluxe
Epiphone Sheraton

Soft
Logic Audio
Arturia CS-80V
Arturia Jupiter 8V
Korg Legacy Collection
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Kristian Sharpe
post Tue 10 Jul 2007, 10:52
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From: Plymouth - UK
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Are you sure it's the correct power supply for the hub?

They can vary sooooo much and still look the same....if you get the MA wrong....let alone the voltage and polarity.... you are certainly in line for some long term damage to you device....

However...things do buzz when they're about to die..... a component becomes unable to do it's job....and starts converting the current differently..... most common of which is to convert it to sound as a bi-product of incorrect usage of power.... ultimately a "resistance" build up.

waffle waffle waffle.....


Tiz a lot of usb's you got there.... hub should be fine providing it's not passing hard drive i/o data..... you may experience some lagging...possible drop outs in the DA rendering ....

not sure I've been any help.... but I do enjoy the thinking about it....lol!


Take care.... best of luck with your set up....

get back into the "Zone" and write some great music......


the only thing buzzing in your studio will be you mate...! biggrin.gif

This post has been edited by Kristian Sharpe: Tue 10 Jul 2007, 10:54
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