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Post subject: My new Fender Hot Rod Delux 3 is making noises
Posted: Wed Jan 02, 2013 9:02 pm
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So I’ve only had this guitar amp for about 3 months it just started poping making ringing noises kind of like the noises you hear right as you would plug a cable into a guitar.
Any ideas.I tried the tap test on the tubes with a pencil and nothing.Thanks ahead of time guys


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Post subject: Re: My new Fender Hot Rod Delux 3 is making noises
Posted: Thu Jan 03, 2013 4:42 am
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Location: Province de Québec, Canada
For good test ,be sure you use your amp with good grouded wall outlet, no cellphone, no PC, no halogene or neon lighting AND no guitar plugged.

Be sure all tubes are well seated.

If amp is noisy , return it on warranty.


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Post subject: Re: My new Fender Hot Rod Delux 3 is making noises
Posted: Thu Jan 03, 2013 8:21 am
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Hi dieseldave,

Try the advice given by stratele52, and if that's not it, sounds like a tube(s) issue to me. Tubes are only covered for 90 days, so if you have some spares, try substitution starting with the preamp. You can use one known good 12AX7, try it in each position one at a time and see if the noise goes away. If you change output tubes, be sure to set the bias.

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---> "The amp should be SWITCHED OFF AND UNPLUGGED before you do this!" <---

Por favor, disculpe mi español, no se llega a la práctica con mucha frecuencia.


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Post subject: Re: My new Fender Hot Rod Delux 3 is making noises
Posted: Thu Jan 03, 2013 1:35 pm
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+1 shimmilou


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Post subject: Re: My new Fender Hot Rod Delux 3 is making noises
Posted: Fri Jan 04, 2013 7:38 pm
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i dont think it cant still be under warrenty So I took one of the groove tube preamps out its a 12AX7 because it rang a little bit when I hit it with a pencil.Unfortuanatly I dont have any old tubes to test out.DO you gus think this is the reason.The tube seemed securley set and One more weird thing that stood out about this preamp tube is/you guys know the silver at the tip?well the silver on the other ones are about 1/4 the side of the tube on this its like 1/8 silver could this be an indicator?Its way less silver/grey color than the other 3 preamp tubes.

Last question can I used JJ or another company anyone have good expericnces with tone. let me know


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Post subject: Re: My new Fender Hot Rod Delux 3 is making noises
Posted: Fri Jan 04, 2013 7:54 pm
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*than the other 2 preamp tubes


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Post subject: Re: My new Fender Hot Rod Delux 3 is making noises
Posted: Fri Jan 04, 2013 8:42 pm
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The silver is just the getter flash, inconsistent from tube to tube and nothing to worry about. The tube in the first position V1, looking at back of amp starting on the right, counting to left, will be the most sensitive and can produce sound when tapped. It very well could be one of the three smaller tubes (preamp). Any 12AX7, or 5751, 12AY7, 12AT7 etc, any brand will work for substitution, JJ, GT, Mesa, whatever. Tone however is subjective and you might favor one brand over another. The tubes are V1, V2, V3 are preamp (smaller tubes), V4 and V5 are output tubes (larger tubes).

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---> "The amp should be SWITCHED OFF AND UNPLUGGED before you do this!" <---

Por favor, disculpe mi español, no se llega a la práctica con mucha frecuencia.


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