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-   -   How to build a $20 47A power supply (https://www.rc-monster.com/forum/showthread.php?t=27554)

brushlessboy16 09.08.2010 12:26 AM

http://i152.photobucket.com/albums/s...s/PICT0196.jpg

brushlessboy16 09.08.2010 12:28 AM

Quote:

Originally Posted by snellemin (Post 379460)
lol, I use to have 4 10" subs in a gigantic box in my room. That sucker went below 10hz. Went on every morning as a alarm. Imagine 600W rms going off at 9am. I use to run car amps. I've have a few other Server PSU and plan to setup a system in my garage with the spare car audio that I have left over.

my high school setup.

http://i189.photobucket.com/albums/z...n/oldsetup.jpg


Hey are those pioneer 10's in the top center? Those are what Im currently running, have the model number for them?

snellemin 09.08.2010 12:35 AM

I don't have the model number. I do remember that they are the free-air models. I still have 6 of them. I would have to uninstall them to see the model number. They could be TS-W253C .

brushlessboy16 09.08.2010 12:40 AM

Quote:

Originally Posted by snellemin (Post 379485)
I don't have the model number. I do remember that they are the free-air models. I still have 6 of them. I would have to uninstall them to see the model number.

maybe thats why mine sound like crap in my ported box...

I have an old gm-x962 pioineer amp that works great!
Drivers apparently need replacing:whistle:

snellemin 09.08.2010 12:47 AM

I used those speakers in isobaric, aperiodic, sealed and bandbass boxes. Never had issues with them. I even use to DJ with them.

snellemin 09.08.2010 12:48 AM

I have a family now, so my sound system is way smaller...:cry:

http://i189.photobucket.com/albums/z...n/DSCF0438.jpg

brushlessboy16 09.08.2010 12:53 AM

Quote:

Originally Posted by snellemin (Post 379487)
I used those speakers in isobaric, aperiodic, sealed and bandbass boxes. Never had issues with them. I even use to DJ with them.

Maybe not then.. Found out my box is a Bandpass enclosure... if that means anything..

Sounds good in my 01' Kia sportage...

snellemin 09.08.2010 01:04 AM

naah, it could be your amp. These woofers need some power to sound good. I would stick some pillow stuffing in your box. It could be that your box is leaking air if the woofers are in their own chambers. I also use to add dynamat inside the box itself.

Here's a link of the box that holds 4 of those woofers. http://www.cardomain.com/ride/426334/2

sujuara 09.08.2010 09:30 AM

what about this power supply...

http://www.rc-monster.com/forum/showthread.php?t=28031

brushlessboy16 09.10.2010 10:33 AM

Cleaned up my wiring, put an anderson 50amp connector on it(same one I use in my car) for quick changes
http://i152.photobucket.com/albums/s...s/PICT0197.jpg

snellemin 09.10.2010 01:24 PM

Looking good BB.

I remember having a box like yours in my room. I had it setup in a corner with the ports firing up. Chicks like sitting on the plexiglass while the music booms.

brushlessboy16 09.10.2010 01:51 PM

Quote:

Originally Posted by snellemin (Post 379829)
Looking good BB.

I remember having a box like yours in my room. I had it setup in a corner with the ports firing up. Chicks like sitting on the plexiglass while the music booms.

Lol Ill try that. what power supply were you running back in the day ?

snellemin 09.11.2010 05:17 PM

Quote:

Originally Posted by brushlessboy16 (Post 379832)
Lol Ill try that. what power supply were you running back in the day ?


I use to run a bunch of caps with a cheapo car battery charger. Worked out great.

Brow 09.18.2010 10:14 AM

Thanks for this thread Snellemin. I got hold of one of these HP PSU's for $50 AUS off Ebay and it was local pickup. Works well and is a lot smaller than I thought it would be. Heaps better than the multiple 100's I would have had to spend to get the same current from a commercial PSU. Mine gets 12.48v no load.

Brow

snellemin 09.18.2010 12:12 PM

I was in the same boat man. I was seeking a simple high quality 40+A 12V power supply without breaking the bank. I also didn't want to spend too much time hacking a regular computer power supply. Nice thing is, that I work at HP and have access to the Server group and PSU group. I got to open a few PSU's up and asked the designers and engineers what the limitations where and what not. I went on Ebay and started inputting different HP part numbers and found the older stuff to be dirt cheap and easy to mod. Easy as in, not having to open up the Power Supply at all. I also found that some people on rcgroups have used the same power supply I have listed. I figured that 47A PSU is more than enough for the majority of the people and $20 dollars is more than affordable for nearly anybody in this hobby.


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