Fried my amp head - what happened?

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Fried my amp head - what happened?

Postby TomA » Sun Feb 03, 2013 4:20 pm

I rehearse in a band members home with a nicely equipped studio including a bass rig. Nice cabs but shitty sounding amp, so last week I brought down my Eden WT550 to use instead. I showed up to rehearsal late and set my head on top of the current one and plugged two quarter inch cables into his cabs (two 2x10s). I didn’t remove the speakons that were connected to his head. Duh (I know that now). The rig died after 2 minutes of playing. My Eden is fried as is his amp head (speakers are ok). I’m just wondering exactly what happened. I’m sure my repair guy will tell me, but I’m not getting it to him for another week and I’m curious to know just WTF I did. So what happened?

And by fried I mean that the fuse was blown and it now blows fuses immediately.

Thanks,

Tom
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Re: Fried my amp head - what happened?

Postby GonzoBass » Sun Feb 03, 2013 5:16 pm

That sucks but hey, you're in luck!
;)
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Re: Fried my amp head - what happened?

Postby Rob Francis » Sun Feb 03, 2013 8:01 pm

Tom
Would you post what did the damage after it is confirmed?
That is an awesome deal Harry is offering.
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Re: Fried my amp head - what happened?

Postby hoytbasses » Mon Feb 04, 2013 4:30 am

that's exactly what happened when I plugged 2 4 ohm cabs into my GK mb150s...... it was a 2 ohm load which was outside the design capabilities of the amp. cost me a hundred bucks to replace the output thingamadjoos and I was back in business....

be sure that you let us know what the culprit was....

karl
There's nothing Passive about Passive pickups!
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Re: Fried my amp head - what happened?

Postby TomA » Thu Feb 14, 2013 4:46 pm

No news yet. My repair guy has had the amp for a week but he’s swamped (he’s a one-man shop) and last weekends blizzard cost him a few days.

When I dropped it off and I told him how it happened, he said, “uh oh.” He also said he hated working on Edens because a lot of them were “rats nests” as well as having hard-to-find schematics. This particular dude has a golden reputation here on Long Island, so we’ll see what happens once he gets around to it.

Tom
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Re: Fried my amp head - what happened?

Postby Gil Escalera » Sat Feb 16, 2013 8:08 pm

OUCH!!!

You have some fired output transistors as well as some accompanying components. Basically you connected the output of one amp into the output of another. They don't like that. I'm assuming the other amp was still plugged into a power receptacle? The difficult thing about fixing it is parts availability as well as documentation (i.e. schematics). Eden has never been known to be good with providing any of that in the past.

Good Luck!

- Gil
To "B" or not to "B"... that is the question. ;)
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Re: Fried my amp head - what happened?

Postby TomA » Fri Mar 22, 2013 2:56 pm

The power module is fried and needs to be replaced. My repair guy will charge a hundred bucks for the installation. I just need to find the part somewhere, get a price, and see if it's worth replacing.

Tom
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Re: Fried my amp head - what happened?

Postby Rob Francis » Sun Mar 24, 2013 11:10 am

Good luck Tom
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