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hissing/white noise on my F-50 combo
http://forum.grailtone.com/viewtopic.php?f=26&t=68697
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Author:  Santuzzo [ Fri Nov 28, 2014 11:03 am ]
Post subject:  hissing/white noise on my F-50 combo

Hi,

I have been experiencing some hissing/white noise on my F-50 combo. At first I thought this would only be occurring on the clean channel, but then I figured I go the volume on the clean channel much higher than I do on the gain channel, so when I turned the gain channel volume up, the nose was there as well.
I tried swapping all pre-amp tubes with a fresh tube one at a time, but that did not help.

Could this hissing noise also be caused by a power tube?

Do you guys have any other ideas what could be the problem with my amp and how to solve it?

Any help would be very much appreciated!

Thanks,
Lars

Author:  waterboy [ Sat May 23, 2015 7:46 am ]
Post subject:  Re: hissing/white noise on my F-50 combo

I tried the SPAX7 and it helped a lot. I would suggest giving it a try.

Author:  Santuzzo [ Sun May 24, 2015 10:40 am ]
Post subject:  Re: hissing/white noise on my F-50 combo

waterboy wrote:
I tried the SPAX7 and it helped a lot. I would suggest giving it a try.


Thanks for that suggestion, I actually bought an SPAX7 some while ago, but have not inserted it yet. I kinda got used to the noise ...

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