JimBobTTD Posted July 24, 2015 Share Posted July 24, 2015 Hello My DHA pedal has a terrible buzz when using the DI. It only affects the DI signal - the standard signal is fine. I have tried it with no signal going in, with different XLR cables, via a power strip or direct and the noise is still there. I do not have another 12v DC power unit to try, though. I think - [i]think[/i] - that this is a new development but I am unsure. I have used the DI many times before without there being a problem at rehearsals, but it is possible that the noise level was not high enough to have been a problem when playing in that environment or, even, that there was a noise gate in place that cut out the buzzing when not playing. Has anyone here experienced something similar? I am not overly keen on pointing the finger at the power supply as it works fine when not using the DI. The headphone out has always been noisy. Oddly, fiddling with the headphone volume (headphones not connected) affects the sound too. I'm starting to wonder whether this is a bit of a lemon! Quote Link to comment Share on other sites More sharing options...
SubsonicSimpleton Posted July 24, 2015 Share Posted July 24, 2015 Worth giving the manufacturer a call maybe? As this stuff is hand built, mr Hall would be able to troubleshoot this very quickly I would imagine (especially if there is an obvious component that might have failed (dodgy capacitor maybe)). Quote Link to comment Share on other sites More sharing options...
JimBobTTD Posted July 24, 2015 Author Share Posted July 24, 2015 Yup, DHA is my next port of call. I wanted to ask here first in case it is something simple and also to give other people something to refer to if they end up with the same thing. Quote Link to comment Share on other sites More sharing options...
paul_5 Posted July 24, 2015 Share Posted July 24, 2015 Have you tried the ground lift switch by the DI out? Quote Link to comment Share on other sites More sharing options...
JimBobTTD Posted July 24, 2015 Author Share Posted July 24, 2015 [quote name='paul_5' timestamp='1437752703' post='2828835'] Have you tried the ground lift switch by the DI out? [/quote] Yes, sadly Quote Link to comment Share on other sites More sharing options...
DHA Posted August 14, 2015 Share Posted August 14, 2015 [quote name='JimBobTTD' timestamp='1437738834' post='2828664'] Hello My DHA pedal has a terrible buzz when using the DI. It only affects the DI signal - the standard signal is fine. I have tried it with no signal going in, with different XLR cables, via a power strip or direct and the noise is still there. I do not have another 12v DC power unit to try, though. I think - [i]think[/i] - that this is a new development but I am unsure. I have used the DI many times before without there being a problem at rehearsals, but it is possible that the noise level was not high enough to have been a problem when playing in that environment or, even, that there was a noise gate in place that cut out the buzzing when not playing. Has anyone here experienced something similar? I am not overly keen on pointing the finger at the power supply as it works fine when not using the DI. The headphone out has always been noisy. Oddly, fiddling with the headphone volume (headphones not connected) affects the sound too. I'm starting to wonder whether this is a bit of a lemon! [/quote] Does the line out do the same thing? if so then is a power supply problem. If it just the Di that hums then I expect its a fault in the Di board or a damaged cable. Quote Link to comment Share on other sites More sharing options...
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