Sunfire True Subwoofer MKII Repair?

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dyldebus
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Posts: 2
Joined: Fri Jul 22, 2011 3:50 pm

Sunfire True Subwoofer MKII Repair?

Post by dyldebus » Fri Jul 22, 2011 3:56 pm

Hello everyone,

I tried browsing through the different threads to see who is repairing these subs. It sounds like the Carver shop isn't doing the repairs right now?? I'm in San Diego and my sub has been out for about a year.

It turns and and typically plays from 5 min to an hour before the audio signal gets VERY muted and a loud hum sound takes over. Unplugging the sub and plugging it back in will occasionally reset it for another 5-60 min again... obviously not the best way to watch a movie.

The hum isn't related to ground loop issues, there's definitely something wrong with the sub.

Any advice?

Thanks,
Dylan

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Scarabeo
SILVER-7 TUBE AMP
Posts: 2608
Joined: Tue Nov 18, 2008 6:05 pm

Re: Sunfire True Subwoofer MKII Repair?

Post by Scarabeo » Fri Jul 22, 2011 4:12 pm

dyldebus wrote:Hello everyone,


The hum isn't related to ground loop issues, there's definitely something wrong with the sub.

Any advice?

Thanks,
Dylan
Hello & Welcome Dylan!

Check out this thread as it sounds like what your issue is: viewtopic.php?f=60&t=11810
BillD, You will be forever with us! RIP until we meet again on the other side...

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kingman
(pair of) SILVER-7 TUBE AMPs
Posts: 6338
Joined: Sun Nov 30, 2008 2:10 pm
Location: Upstate South Carolina

Re: Sunfire True Subwoofer MKII Repair?

Post by kingman » Fri Jul 22, 2011 4:48 pm

Beemers... Vintage HighFi of Pittsburgh is your man!
In reality, it only matters what it sounds like to YOU!!!

dyldebus
Newbie
Posts: 2
Joined: Fri Jul 22, 2011 3:50 pm

Re: Sunfire True Subwoofer MKII Repair?

Post by dyldebus » Fri Jul 22, 2011 4:51 pm

Great! Thanks guys.

I know it isn't a simple Ground Loop since it's moved with me to several houses and I've tried 2-prong plugs and ground loop isolator surge protectors with no luck. I'll definitely check the RCA nuts and the caps.

If all else fails, it's off to Pittsburgh! Thanks again.

-Dylan

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Scarabeo
SILVER-7 TUBE AMP
Posts: 2608
Joined: Tue Nov 18, 2008 6:05 pm

Re: Sunfire True Subwoofer MKII Repair?

Post by Scarabeo » Fri Jul 22, 2011 4:57 pm

dyldebus wrote:Great! Thanks guys.

If all else fails, it's off to Pittsburgh! Thanks again.

-Dylan
You would be in Great hands going that way! If you're probing around the sub's amp - Take caution as you could get a hefty ZAP!!! Even if un-plugged and sits for a while - Good Luck...
BillD, You will be forever with us! RIP until we meet again on the other side...

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