Author Topic: Audio q&a  (Read 917 times)

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Offline H2o2go

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Audio q&a
« on: May 28, 2012, 11:43:45 pm »
I have worked in audio for several years and have seen a few audio questions that I think I can help with. Pro audio, home audio, computer audio, xlr's, RCA's you have a question shoot I will see if I can solve it for you!
When I started walking and I looked down and I saw on the floor this water, which looked like, you know, water in your basement...  except, however it happened to be in the auxiliary building of a nuclear power plant...

Offline Orpheus

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Re: Audio q&a
« Reply #1 on: May 28, 2012, 11:59:31 pm »
Ive got an old US made Hercules 600w sub amp for a car. Its broken. Think you could help me with that?
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Offline H2o2go

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Re: Audio q&a
« Reply #2 on: May 29, 2012, 04:27:33 am »
A cupple of things could be wrong: is it grounded? Most sub amps have to be mounted to a good ground to run. Have you looked at it for damage? Like battery's the capacitors in side the unit can leek and would have to be replaced. If you can open it, first read if it is safe to do so online just for your particular model. If it is safely open check for any black/burnt parts as well as the top of any capacitors for damage. If something is damaged it may be possible to replace it but one step at a time. Last thing to look for is any fuses on the case that are blown. If you can find a model number I may be able to give you more accurate solutions. Also just plan wiring it wrong will cause it not to work.
1. Look for damage on case
2. Check wiring
3. Is it grounded properly
4. Open it up and check for damage (there is a chance that opening it up improperly could damage it more or give you a serious shock, only open if you are confident you know what you are doing)

I hope this helps! If you can give me a model number I can see if I can dig up any more info.
 
When I started walking and I looked down and I saw on the floor this water, which looked like, you know, water in your basement...  except, however it happened to be in the auxiliary building of a nuclear power plant...

Offline Orpheus

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Re: Audio q&a
« Reply #3 on: May 29, 2012, 08:26:14 am »
1: there is no damage on the case
2:It is wired properly
3: it is grounded
4: i have to open it. It is an old amp, so everything is analog. I should be able to look into that.

What happens is i plug it in, it hums for a second, and then the diagnostic light comes on and it shuts down.
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Offline H2o2go

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Re: Audio q&a
« Reply #4 on: May 29, 2012, 08:58:40 am »
Oh analog, think I should have picked up on that... Yes than it is something on the inside. I all see what I can pull up.   :)
When I started walking and I looked down and I saw on the floor this water, which looked like, you know, water in your basement...  except, however it happened to be in the auxiliary building of a nuclear power plant...

Offline Orpheus

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Re: Audio q&a
« Reply #5 on: May 29, 2012, 09:12:40 am »
The model is the    Hifonics VIII
The amp is at the top



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Offline H2o2go

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Re: Audio q&a
« Reply #6 on: June 01, 2012, 09:18:45 am »
After looking on the web not much goes wrong with these amps... Since I can not fiddle with it myself all I can offer is sim basic help. I think that it has to do with the power unit on the inside of the amp I would check that . It is hard to diagnose in such a complex device.
When I started walking and I looked down and I saw on the floor this water, which looked like, you know, water in your basement...  except, however it happened to be in the auxiliary building of a nuclear power plant...

Offline Orpheus

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Re: Audio q&a
« Reply #7 on: June 02, 2012, 02:24:37 am »
Ok. Ill probably open it and check for crispy-ness. Hopefully its not fried.

The weird thing is, when it quit, i wasnt even pushing it hard.
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Offline H2o2go

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Re: Audio q&a
« Reply #8 on: June 02, 2012, 09:34:41 am »
Amps seem to do that, fail at the least logical time. Let me know what you find.
When I started walking and I looked down and I saw on the floor this water, which looked like, you know, water in your basement...  except, however it happened to be in the auxiliary building of a nuclear power plant...

Offline Meadow Whisper (Natasha)

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Re: Audio q&a
« Reply #9 on: June 02, 2012, 04:24:54 pm »
Another likely culprit, for any electronic device that handles moderate to large amounts of power:  Check any capacitors inside.  If they look swollen, they've died.  It's a common problem on PC motherboards, but it applies to anything else with power management as well.
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