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Post subject: Fender Hot Rod Deville ML212 Little buzz
Posted: Mon Nov 06, 2017 11:57 pm
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Hello everyone . I use a hot rod amp deville ml212 and for some time I meet small problems of sound: with the volume of about 4 on the channel 1 (clear) I have a kind of distorted sounds (its really bad) on some notes of the guitar (strat eric clapton). when I go on channel 2 (clear sound) no problem. I do not know if it can come from the lamps or if it is the volume knob of the amp
Thank you for your help


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Post subject: Re: Fender Hot Rod Deville ML212 Little buzz
Posted: Tue Nov 07, 2017 2:24 am
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Joined: Fri Feb 05, 2010 4:31 am
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Location: Province de Québec, Canada
Distorted or buzz ?

For test , did you use a guitar alone in the amp , no pedal ?

If you turn the volume, with no guitar, nothing plug, and you do not hear scratches, volume is good. If you hear scratchs, clean volume pots with Deoxit

Both channels use the same tubes. if one channel is good it is not a tube.
It could be a relay contact or a OP Amp ? But I don't know very well those amp.

TimAudio is a master here in the forum


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Post subject: Re: Fender Hot Rod Deville ML212 Little buzz
Posted: Tue Nov 07, 2017 5:20 am
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Thank you for your help, me neither English is not my language I use a translator I am French.
The noise is not a distortion but rather a spitting.
I redid some tests on my amp: now I hear the buzz on the 2 channels, and sometimes it happens without doing anything just the amp turned on with the volume. I also hear a few clicks when you turn on or off a switch in the room. I thought maybe parasites in the electrical circuit.
Yesterday hearing this buzz I tried to turn up the volume and it calmed down.
I use the input 2 (-6db) because my guitar is active (strat Clapton) of course I tested without pedals, different cables another guitar in all cases even problem. Really bizzare, the amp is 2 years old I use it often but I do not push much in volume ...


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Post subject: Re: Fender Hot Rod Deville ML212 Little buzz
Posted: Tue Nov 07, 2017 5:41 am
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Joined: Fri Feb 05, 2010 4:31 am
Posts: 14049
Location: Province de Québec, Canada
Suis du Québec,
Va dans la section French du forum et décrit ton problème en français. Ce sera plus facile pour moi et pour toi.

Je vais quand même essayé de te répondre;
Oui ça peut venir de l'extérieur, des parasites causé par un celphone ,ordinateur etc et même une mauvaise mise à la terre de l'ampli ou mise à la terre défectueuse.


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