Enjoy.
Enjoy.
thanks yeh it takes a bit of patience to solder 74 caps
my prelude/opa637 + 1500uf BG NX power cap = brutal
all needed for one hellava prelude
you think i started this mod without trying opamps/different power caps..
like ive said @ 1st post if this mod was done on xm before please post a link
im not referring to any other sound card/audio gear here i thought that was crystal clear
total opposite of steady.. just an old trusty cheap simple solder gun
dont stop, keep going.. please specify which film caps.. ive read the same but just which film caps can i use on the xm/other sound cards?
madness! thanks, yup it turned out great
i wish i could bench it.. my only bench is my ears its all i need though
ok
phillips q ll
panasonic fm
ive heard that some siemens are better? which ones?
lol yeh mushcaps
i hope i got time tomorrow to test the opa637
but that brings the tally up to:
xm + 6x opa637 + caps = $600+ and im not done yet lol
indeed lol
thanks Rob i better enjoy it now.. lol
Last edited by NapalmV5; 03-29-2008 at 10:33 PM.
now that the total recap worked as planed.. this leads to the next recap
from the beginning i wanted the coupling caps (24 caps) @ 100uf but since the 100uf is more expensive ive tried the 47uf
ill probably just recap the top coupling caps to 100uf but recap all subwoofer caps
when ill have it done, will post an update
-
as for the sound quality of the recap mod, what i expected: rich pure clear powerful sound that i could only dream @ stock
unfortunately this kinda mod begs for better voltage regulators and better crystal
i dont recommend this very costly mod but for me was worth it
to get the xm close to this level all thats needed is: highend opamp opa637/opa627 ad797/ad8620 + power cap @ 1500uf NX (11$) or 2x 1500uf e-capped and you gotta hear it to believe it
Last edited by NapalmV5; 03-29-2008 at 11:03 PM.
Again... anything measurable (THD for example)? Im not doubting your results from your 'ear' tests, I just would like to see something empirical like links showing that THD or S/N was improved.
again.. i wish i could bench it.. is there progs/soft to run a sound card through for that?
look guys, im no pro, just novice at best at all this sound stuff
I have no idea personally. It doesnt need to come from you, Im just curious as to how much improvement this makes with real numbers.
(I missed you post where you said that)
there are many software out there for testing sound card, you can try this one "SoundCheck" which opamp do you like best?
^alright ill look into that soft
opa637/ad797.. opa627/ad8620 - cant go wrong with any of these four highend opamps
6x opa637
im finally satisfied with opa637 on the xm
used to get nasty noise/interference on the same asus mobo the xm its on now
by the time ill be done with the caps tally be @ 700$+
by the time ill be completely done.. ~1000$/1000$+ but that remains to be seen/heard
Last edited by NapalmV5; 03-30-2008 at 02:26 PM.
Why havent you pushed the Caps down closer to the board ?
Great work Sir
I've seen RightMark Audio Analyzer used before, which you can get here.
It looks like you've put a bit of time and money into it, glad to see you got the desired results. Although I'm a little curious, why didn't you just go for a dedicated external DAC?
thanks
LOL @ pushed
for one, i made it temporary, may end up permanent.. that way its easier to remove if i need/want to recap
another, the space is very limited for large caps
definitely the desired results, id certainly do it again
if id go external dac/amp @ 6-channels then id be spending way more..
even the setup i got now is too much for the apartment im at now
when ill have a mansion of own.. then ill go all out
lol its 50/50 on that but im still contemplating cause if ill go with the other mods.. i dont know if my sound system will be able to keep up.. probably the mods will force a sound system upgrade which is kinda futile at the place im @ now
Last edited by NapalmV5; 03-31-2008 at 09:19 PM.
I'd love a rightmark bench as well. The cost is within reason for what you get...
ive downloaded rightmark so heres my first audio mark ever.. lol
what in the world does that mean, first time ive seen these kinda benches
good/bad ?
i did the generate wav then analyse wav and thats the results
ive ran the playback test but at the end nothing shows up
can u guys tell me how to properly bench @ rmaa.. thanks.. scuze my noobness
Last edited by NapalmV5; 04-01-2008 at 08:15 PM.
^ never mind
this will have to do
Last edited by NapalmV5; 04-01-2008 at 11:31 PM.
Seriously..those are some nice figures in first SS. Second pic..well...ideally would be identical lines. Currently your right channel is capable of pushing higher volumes at some frequencies than left in 50-abt 175nhz(BASS), the left produces more mids...probably due to how the caps are attached.
Nice job tho...really. Too bad you don't have tests from teh first card so you can see how well you really have done.
Edit:
Stole a pic from BitTech for ya:
Last edited by cadaveca; 07-31-2008 at 11:13 AM.
thanks
what i meant by never mind is that ive done that on the mx300, ht omega claro+ and x-meridian and got the same results.. definitely not generated through the sound card..
modded/total recapped diamond mx300 for comparison
OscilloMeter of mx300
Last edited by NapalmV5; 04-06-2008 at 03:43 AM.
EXceleent, exactly what I was looking for... but what did it START with?!?!?!?!?!?! Any paper specs available?
those of u @ stock xmeridian/prelude or other sound cards will have to post some results cause i wont be going back to stock thats for sure
or if there are some posted results already.. link it
wouldve been nice to see some spectrums before any mod but that wasnt on my mind..
Last edited by NapalmV5; 04-02-2008 at 01:45 PM.
lol resoldering 74 caps (twice) just to get a before shot. looks like you did a pretty good job wish I had the money!
thanks
latest test mod
Last edited by NapalmV5; 04-06-2008 at 04:21 AM.
That my friend, is insane. Nice work. I wanna do something like this to my x-fi. Know anywhere that ships caps internationally? Where can I go to find other mods like this?
920 c0
6gig Mushkin 1600 6-7-6-18 (Many thanks to TheGoatEater)
285gtx
Dfi x58 t3eh6
thanks.. sounds just insane
lot of info on xfi @ headfi
http://www.head-fi.org/forums/f46/ho...no-56k-226975/
Core i7 920 D0 B-batch (4.1) (Kinda Stable?) | DFI X58 T3eH8 (Fed up with its' issues, may get a new board soon) | Patriot 1600 (9-9-9-24) (for now) | XFX HD 4890 (971/1065) (for now) |
80GB X25-m G2 | WD 640GB | PCP&C 750 | Dell 2408 LCD | NEC 1970GX LCD | Win7 Pro | CoolerMaster ATCS 840 {Modded to reverse-ATX, WC'ing internal}
CPU Loop: MCP655 > HK 3.0 LT > ST 320 (3x Scythe G's) > ST Res >Pump
GPU Loop: MCP655 > MCW-60 > PA160 (1x YL D12SH) > ST Res > BIP 220 (2x YL D12SH) >Pump
That rules! I have a Prelude and the only thing I have done to it is replaced the OPAMP with one that Auzen now sells (Texas Instrument's OPA637). Are the Prelude caps cheap? I kind of assumed that they would have high quality caps on their cards...
Also, are you going to do the ERS paper mod? If so, can you please let me know what you use for insulating material? The mod is referenced on Headfi:
http://www.head-fi.org/forums/f46/ho...no-56k-226975/
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