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  #1  
Old 04-01-2011, 05:15 PM
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sunn 1200s problems

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Ok so I bought a Sunn 1200s head just over a year ago. I have a Sunn 2-15B cabinet. Took the head in to get fixed on its warranty and just got the 2 15's re-coned. Played one show with this set up a total of 7 songs. Went to band practice the following week and set up my rig. Blew out one of my newly re-coned speakers, and my bass head shut down and bellowed smoke out the front with in using it for 30 min or so. WTH? Is there something I'm missing. When the head blew it wasn't hot or anything. I had it hooked up to an 8 10 when it blew. Didn't pop just shut off and smoked. The 8 10 isn't working now too. Not sure whats going on. Any help or trouble shooting will help. Going to take the head and speaker in to get fixed again, but am I hooking something up wrong? Any advise will help. Thanks.
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Old 04-01-2011, 05:21 PM
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Is this the hybrid 1200s from Fender? Not the 60s all tube 1200s with reverb and vibe?
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Old 04-04-2011, 09:05 AM
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it is the hybrid from Fender.
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Old 04-04-2011, 09:07 AM
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And i dont play screamo music, let alone listen to it or even know what the hell it is.
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Old 04-04-2011, 10:11 AM
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Originally Posted by nerokurtz View Post
Ok so I bought a Sunn 1200s head just over a year ago. I have a Sunn 2-15B cabinet. Took the head in to get fixed on its warranty and just got the 2 15's re-coned. Played one show with this set up a total of 7 songs. Went to band practice the following week and set up my rig. Blew out one of my newly re-coned speakers, and my bass head shut down and bellowed smoke out the front with in using it for 30 min or so. WTH? Is there something I'm missing. When the head blew it wasn't hot or anything. I had it hooked up to an 8 10 when it blew. Didn't pop just shut off and smoked. The 8 10 isn't working now too. Not sure whats going on. Any help or trouble shooting will help. Going to take the head and speaker in to get fixed again, but am I hooking something up wrong? Any advise will help. Thanks.
The bolded quotes are a little confusing; if you "just got the 2 15's re-coned" and it "Blew out one of my newly re-coned speakers", but you had the amp "hooked up to an 8 10 when it blew" that TRULY is a perplexing problem.

It's still under warranty? I would have thought the 5 year factory warranty would have run its course well before 2011; Was it NOS sitting at a dealer or something?
Regardless, that's great that you can get it repaired on someone else's money!
That story doesn't sound like it got very "fixed" when you had it in the shop.
I'd ask the warranty repair shop what's going on, tell them how you had it set up and so forth, and also drop a note to the manufacturer saying that you already had the amp repaired under warranty and it blew up... again; and, most importantly, who's going to pay for your blown cabinet(s).

They may have some ideas about what the problem is; your amp, your set up, or your authorized warranty repair shop.

I'd also see if Ripley's "Believe it or Not" is interested about how you blew a freshly reconed 15" speaker with an amp hooked up to a different cab at the time...
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Old 04-04-2011, 11:50 AM
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He probably blew the speaker and the head separately. Tech time, it should still be under warranty right?
  #7  
Old 04-04-2011, 10:04 PM
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The early Sunn 1200s had thermal issues, those were corrected when the amp became the Bassman 1200 pro ... what the issue was, I believe was a heat sink issue
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