DJ.BigBear

i've been neglecting my Z5500 for quite sometime....
since i use headphones too much

so... to make up for that, i just spent 3 hours tweaking x-fi to suit trance and techno.....
i got nice fidelity.... but i can't get the punch deeper.... i need to further mod my z5500......

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BugBash

I did the capacitor Mod to a little set of 2.1 speakers last nite,

I replaced the 4700uF capacitor with a 10,000uF one that was nearly three times the size!

Results:

MASSIVE improvement in Stereo Imaging
BASS Tightened up, making changes in Bass/Drum notes more obvious
Voices sound more natural
Treble much cleaner, cymbals sound like cymbals not a pan of sausages

Overall well worth the hour it took to find my capacitor box and fit one into the sub unit!

I will borrow a camera this weekend to show the MOD and also to do a review of something else for OCN

DJ.BigBear

niiiiceeeee

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rx7speed

is it just me or is there no real damping or bracing inside the sub box?
other question is how much for teh caps?

DJ.BigBear

yep... no real damping.... what to expect? this is a generic <$300 speaker setup

and the caps is not that expensive.... about $5-$10 each

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rx7speed

well guess if nothing else it's time to put some damping on this sub.
dj mind being a guinnie (sp?) pig for us and try it out

any source for teh caps or is it already listed in the thread

H3||scr3am

needs a panel mod DJ bigbear

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DJ.BigBear

lol..... i'm using nichicon gold caps, just the same capacitance as the ones replaced.

already using some glaswool inside the sub to dampen a bit.

modding the panel didn't give me noticable improvements... i need to mod the main PCB inside the sub.

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BugBash

As promised (a little late!)
a couple piccys of my MODed Sub, first up is one of the Unit itself, I cant remember the model no. at the moment but its a few years old!

The second piccy shows the inside of the Sub, to the right is the Pathetic little Capacitor that the manufactor deemed `Price is right so fit it`
In the Middle is the nice FAT `For Audio` 10,000uF Capacitor that I fitted with great gains allround.

Now then, If you are using an OLD, say 70`s 80`s or even a 90`s Amplifier
You TOO can do this MOD and get great gains!

DONT EVEN THINK ABOUT IT if you dont know what your doing!!

Open your Amplifier, there will be a PAIR of Capacitors near the Main Transformer, you will know they are the main supply capacitors because they will say anything from 35V upto 100V (IF you got a reallly beefy amp) with a reasonably large uF Value.

note down the voltage, you will need a pair that are THE SAME VOLTAGE or HIGHER

DO NOT PUT ANYTHING WITH A LOWER VOLTAGE IN THERE, THEY WILL EXPLODE!!!!!!!!!

Get yourself a pair of nice FAT capacitors from Digikey or whereever you can find them.
note down on your Amplifer PCB which sides are the NEGATIVE PIN,

THEY PAIR DO NOT GO IN EXACTLY THE SAME ORIENTATION, one provides the POSITIVE DC voltage to the Amplifer and the other the NEGATIVE DC

so make sure that the pins on the NEW Capacitors go in the board the SAME as the OLD ones!! Negative to Negative (Capacitors ALWAYS have the Negative side marked)

Make double sure that the capacitors are fitted pin correct to the old ones or you will get the same effect as putting too small a voltage one in there

BANG!!!!!! and a very messy smelly sub!!

Enjoy!! If ya want to do this MOD, take pictures of the insides of your Amplifer and Post em here, we`ll give ya what help we can!!!

GOOD LUCK!!!

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triggerc

DJ, my only problem with the z5500 is that I feel the bass is a little too artificial and full, it lacks the clarity of the bass in something like the new gigaworks. Do you know of any mods that I'm able to do to alleviate that problem?