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Post subject: Pro Junior help please
Posted: Sat Jan 26, 2013 10:24 am
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Aspiring Musician
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Joined: Fri Apr 23, 2010 7:15 am
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OK, so, I've had this amp for years now, plus bought it used. It's a Pro Junior made in Corona, CA. I have never had a problem with it. In the past week, I played for about 10 hrs or so (which I do sometimes) and the next day, when I turned on the amp, I started getting a fuzzy sound to it and it would drop some in volume and then come back. Is it in need of a tube change? I'm sure hoping this is what it is. It shouldn't be the 12ax7's since I have changed them out to 12au7 to get a little more headroom and I changed them back to make sure....still the same thing. I'm hoping it's just the powertubes. Any thoughts? Thank you in advance!


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Post subject: Re: Pro Junior help please
Posted: Sat Jan 26, 2013 4:49 pm
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Location: Province de Québec, Canada
Try a new set of power tube is the first thing to do.
With a bias check and adjutment if needed.


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Post subject: Re: Pro Junior help please
Posted: Sat Jan 26, 2013 5:10 pm
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Aspiring Musician
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stratele52 wrote:
Try a new set of power tube is the first thing to do.
With a bias check and adjutment if needed.



Thanks! Will do!


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