Hifonics Colossus XX Capacitor Help - diyAudio
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Old 26th February 2014, 08:59 PM   #1
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Default Hifonics Colossus XX Capacitor Help

Alright so this is the amp I have been working on recently and after getting it back together I noticed the RCA output's were missing. After replacing the outputs and further investigation I noticed the audio section near the RCA outputs had some missing caps and some where moved around a bit. I am not sure if those are originally 4.7uf 50V?

I have a hifonics 2006D with the section near the rca's is nearly identical and it uses a combination of 1 uf and 47 uf capacitors.

What im trying to find is the capacitor values or for C101 - C108 and
CF1-CF2 located right behind the rca outputs outlined in red in the first photo.

Click the image to open in full size.

Click the image to open in full size.

Last edited by bl4ckw1d0w; 26th February 2014 at 09:19 PM.
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Old 26th February 2014, 10:11 PM   #2
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I don't have that amp but can tell you that those values can range from 4.7uf to 33uf and usually 25-50v rating.

On the pics provided it seems like the two smaller caps have one leg/pin on one capacitor location and the other on another capacitors location.
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Old 26th February 2014, 11:35 PM   #3
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Yeah when I received the amp the capacitors were like that and the amp still worked fine after I did some work replacing the driver transistors and mosfets but there was no rca output jack like you see in the photo. So after it was all working properly I decided to add the rca output jacks and didn't realize the capacitors were not where there sapose to be. I tried testing the output jacks and assuming I shorted something because now the amp is pulling excessive current when I connect the remote lead.
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Old 27th February 2014, 01:59 PM   #4
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What is part number of CF1 and CF2? I need to replace it.
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Old 27th February 2014, 03:00 PM   #5
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I cant read it because its cracked in half but I also need the values.
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Old 27th February 2014, 03:20 PM   #6
ultra is offline ultra  Greece
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Does this photo help a little?
I have this amp at my lab, but i wont be able to post new pics until a couple more days (old camera broke, new one is on the way).
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Old 27th February 2014, 03:25 PM   #7
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I think I've seen that picture or one similar in the forums but I can't read the cap values. I need more of a side view or even better you could read me the capacitor values when you get to the lab from the ones I have circled in your photo here:

Click the image to open in full size.

Last edited by bl4ckw1d0w; 27th February 2014 at 03:29 PM.
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Old 1st March 2014, 09:38 PM   #8
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If no one can help with the capacitor values is there a way I could calculate or determine what capacitance I would need?
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Old 1st March 2014, 11:32 PM   #9
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I know the Hifonics Hercules XX uses the same setup would anyone happen to have photo's of that particular amp or the capacitor values of the the ones I am looking for?
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Old 2nd March 2014, 01:14 PM   #10
ultra is offline ultra  Greece
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Sorry for a late reply.

In the board i have there have been some factory mods.
Although C101 and C103 are both 4.7uF/50V (see photo),
there is another 4.7uF with positive leg connected to the positive pad of C108 and its negative leg connected to the minus pad of C105.

And another 4.7uF with its positive leg to C107 positive pad and its negative leg to the minus pad of C106.

Hope this helps.
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