mybass Posted October 30, 2007 Share Posted October 30, 2007 I have an Aguilar DB680 pre-amp. It hasn't really been used much and is in storage at home but I thought it best to plug it in every so often. As a note tailed off, there was a very slight and decreasing with the signal "hiss" type noise. I would guess it is the output valve? Can you shed any light on this please. cheers, Pete Quote Link to comment Share on other sites More sharing options...
DHA Posted October 31, 2007 Share Posted October 31, 2007 [quote name='mybass' post='81427' date='Oct 30 2007, 07:16 PM']I have an Aguilar DB680 pre-amp. It hasn't really been used much and is in storage at home but I thought it best to plug it in every so often. As a note tailed off, there was a very slight and decreasing with the signal "hiss" type noise. I would guess it is the output valve? Can you shed any light on this please. cheers, Pete[/quote] Hi Pete, I don't think it will have an output valve being a pre-amp. I expect it's more likely to be a setting thing, try turning the levels down and see if it's still there. Could be you are overloading your amp with the output level being set to high? Dave Quote Link to comment Share on other sites More sharing options...
mybass Posted October 31, 2007 Author Share Posted October 31, 2007 [quote name='DHA' post='81606' date='Oct 31 2007, 08:58 AM']Hi Pete, I don't think it will have an output valve being a pre-amp. I expect it's more likely to be a setting thing, try turning the levels down and see if it's still there. Could be you are overloading your amp with the output level being set to high? Dave[/quote] Thanks Dave. Yes I will check that. seem to remember I was fiddling about with the settings as I hadn't used the pre amp for some time. Quote Link to comment Share on other sites More sharing options...
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