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Post subject: New Blues Jr went boom! {Updated Fixed}
Posted: Sun Feb 27, 2011 9:52 am
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Last night right in the middle of my gig..it was purchased this Xmas for me..Its tweed Limited Edition..what do you think i should do box it up and take it back to GC and demand a new one...i need the amp for work this week...has anybody had any trouble with these new ones?...thanks...and good to be here..look forward to getting to know y'all..i know i dont trust this amp now and will carry my little Ampeg as a backup now..


Last edited by FenderFreak63 on Mon Feb 28, 2011 8:01 pm, edited 1 time in total.

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 10:33 am
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wow that blows.
its one of the new models right?
take it back asap. i have the prevous model and have had no problems.

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 10:35 am
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Hi FenderFreak63,

By boom, do you mean it literally made a loud boom, then quit working? Does the power light still work? Sounds like it might be an output tube, or a blown power supply capacitor (or both :shock: ). A bad output tube could have also caused other damage to the amp, or not. Either way, take it back to the store pronto for them to check it out. I would not advise trying new tubes until the amp is checked out first. :idea:

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 11:14 am
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Yeah its the laquered tweed one...im sorry it didnt go boom...the power light wont come on the amp is dead...i put all new JJs in it about a week after i got it...did about 8 gigs with it...im afraid GC wont swap for a new one since its 2 months old...has anyone had to go thru them for warranty work?....whats the turn around time

Thanks for all your help guys


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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 11:20 am
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so at this point we dont know if its a faulty amp or maybe
something you did to the amp? if you have the old tubes pop them back in
before you return it bro.

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 11:29 am
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Well with it not power up ..i dont think its a tube..if it was rectified i could see maybe...i dont know...just wondering if anybody with a new has had simular issues..i know i will carry the Champ also..talk about a bind last night...thank god i was 20 mins from home and the club was very kewl about it..we just played a little longer...


Last edited by FenderFreak63 on Sun Feb 27, 2011 12:32 pm, edited 1 time in total.

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 11:34 am
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FenderFreak63 wrote:
...i put all new JJs in it about a week after i got it...


That seems to be a recurring theme with JJ tubes lately, that and rattling problems. Your stock tubes would be covered for 90 days I believe (or more?), not sure about the JJ warranty. If the power light doesn't come on, it likely won't do any good to try replacing the tubes. If it turns out that the tubes are the problem, and caused any damage, how will it affect the warranty? But no one knows what the problem is yet, and usually the folks at GC are great, so give them a call, and let us know the outcome. :idea:

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 12:30 pm
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shimmilou wrote:
FenderFreak63 wrote:
...i put all new JJs in it about a week after i got it...


That seems to be a recurring theme with JJ tubes lately, that and rattling problems. Your stock tubes would be covered for 90 days I believe (or more?), not sure about the JJ warranty. If the power light doesn't come on, it likely won't do any good to try replacing the tubes. If it turns out that the tubes are the problem, and caused any damage, how will it affect the warranty? But no one knows what the problem is yet, and usually the folks at GC are great, so give them a call, and let us know the outcome. :idea:



I sure will....i went ahead and put the stock tubes back in to return it...all the JJs test fine on the old tube tester....so im thinking its something fried inside...


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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 12:41 pm
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it will be interesting to see what they find.
when will you be returning it?

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 12:47 pm
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way cool jr wrote:
it will be interesting to see what they find.
when will you be returning it?



Im going in the morning...wanted to go today ,but im fighting a cold..and dont want to get out...i hope they just give a new one....we shall see..by the way thank yall for responding...i will be hanging out here seems like good people here :)


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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 1:06 pm
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well we are good people on here if i must say so myself.
there is lots of experience here and some pretty smart folks too.
we do get opinionated about some things so if you ask our opinions
prepare for all different kinds of answers.
the blues jr for example, some of us love it, some of us hate it.
thats with all things. anyways, welcome to the forum and
keep us posted on this topic as it will be interesting to see the outcome.
until then post up where you see fit and join in on the fun.
you will love it here.

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 1:36 pm
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Don't be offended. But, is the fuse ok? BTW... power tubes can test ok on tube testers and blow in amp settlings.

Good luck!


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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 1:42 pm
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BMW2002Ti wrote:
Don't be offended. But, is the fuse ok? BTW... power tubes can test ok on tube testers and blow in amp settlings.

Good luck!



The Jr has a internal fuse ?...and if that fuse blew isnt that sign of something making it blow?....one thing i did notice before it crapped out is a drop in volume...i reached around and turned it up a few and about 10 mins later ..it went...


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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 3:39 pm
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+1 BMW2002Ti,

A tube tester is a very limited test, a bad tube can also cause a fuse to blow.

FenderFreak63,

Yes, if the fuse blew, it isn't likely because the fuse is bad, something caused it to blow. The BJr has a 2 amp fuse for the power transformer, and some, if not all models have a 5 amp fuse for the filament supply. If either is blown, simply replacing it won't likely solve the problem. :idea:

I would not trust the output tubes that were in the amp when it quit. :idea:
If you put the original tubes back in before going to the shop, that might really confuse the tech if it turns out that the new tubes were bad and caused any damage. And, if you get the amp fixed, or get another amp, you risk damaging it if you put bad tubes back in it.

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Post subject: Re: New Blues Jr went boom!
Posted: Sun Feb 27, 2011 6:20 pm
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You may have a shorted power tube. Check the fuse, if it's blown, change the power tubes and try it again. 90% of the time it's just a faulty tube.

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