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Incredible X-Fi mod *WILL VOID YOUR WARRANTY*, 56K WARNING - Page 86

post #851 of 979
Dear Soloz2,

From a few pages from this forum and from the internet I collected this and now I have my last questions/request.

1.,
LM4562MA

Power Supply Voltage Range ±2.5V to ±17V
Input Noise Density 2.7nV/ ? ^Hz (typ)
Slew Rate ±20V/µs (typ)
Gain Bandwidth Product 55MHz (typ)
Open Loop Gain (RL = 600?) 140dB (typ)
Input Bias Current 10nA (typ)
Input Offset Voltage 0.1mV (typ)
DC Gain Linearity Error 0.000009%
THD 0.00003 %
PSRR 120 dB
Supply Min 5 Volt
Single/Dual/Quad Dual
Special Features Ultra Low Distortion, Very Low Noise
THD Conditions Av=1; Vout=3Vrms; Load=600ohm and 2k
PSRR Conditions delta(Vs)=20V
Supply Max 34 Volt

LME49860 MA
Only the difference:

Power Supply Voltage Range ±2.5V to ±22V
Special Features High Operating Voltage, Ultra Low Distortion, Very Low Noise
PSRR Conditions delta(Vs)=30V
Supply Max 44 Volt

They are nearly at the same price, which one would you offer?

2., It's strange for me that on the Azuntech X-fi Prelude for the front channel is a LM4562 which is replaceable of course :-;, and for the sourround is OPA2134
ULTRA LOW DISTORTION: 0.00008%
LOW NOISE: 8nV/ÖHz
SLEW RATE: 20V/ms
BANDWIDTH: 8MHz
HIGH OPEN-LOOP GAIN: 120dB (600W)
WIDE SUPPLY RANGE: ±2.5V to ±18V

Do you know any answer for that? I mean all of them could be LM4562 or OPA2134.

3., I think that you mentioned in this forum that you only offer 1000uF 16 V Panasonic FM or Blackgate Std series for the power cap (because bigger one could destroy the card). Panasonic is enough or Blackgate worth the price? Is it true that you replaced the opamps and use the ERS paper but did not changed the power cap?

4., If you would like to mod an X-fi Xtreme Music card right now what changes would you offer in the best value/price category and in the best quality(price doesn't matter) category? Like a summary of the forum.

Sorry for the long questions and I'm waiting for your answer.
Thanks in advance.
post #852 of 979
the surround op amps aren't as critical as the front, and many people will only hook up stereo speakers, so why spend money? I'm sure that's what Auden was thinking, and the opamps chosen are still retry decent.

Blackgate I'd prob a bit better, but about 200% the price as well

I replaced everything on my card, several other caps as well.

Personally I wouldn't bother upgrading a creative x-fi at this point. Just ditch it and get an Auzen. You'll age a better sounding, more vaable card with a warranty
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post #853 of 979
Dear Soloz2,

Now I have the LM4562MA opamps but I can't get Black Gate and sorry but I don't trust the Panasonic Fm series enough. Would you offer another 2 kind of electrolityc capacitors makers and exact type for this mod only for the power cap! For example in Central Europe (Nichicon, Jamaicon or something)
post #854 of 979
Quote:
Originally Posted by mayafree View Post
Dear Soloz2,

Now I have the LM4562MA opamps but I can't get Black Gate and sorry but I don't trust the Panasonic Fm series enough. Would you offer another 2 kind of electrolityc capacitors makers and exact type for this mod only for the power cap! For example in Central Europe (Nichicon, Jamaicon or something)
Welcome to OCN!

I respectfully decline to offer any more suggestions since you have made it clear you do not trust my previous recommendation. Nichicon, however does make a good cap for the position, read the specs and make a decision from the data sheets.
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post #855 of 979
Quote:
Originally Posted by soloz2 View Post
I respectfully decline to offer any more suggestions since you have made it clear you do not trust my previous recommendation...
First of all I'm sorry and please don't take it that way beacuse it isn't true!!!

All I'm saying I'd desperately buy a Black Gate I insist on it because that was your offer and you said you'd probe Black Gate a bit better over Panasonic Fm.

At the moment I would like to buy the best choice for the power cap because I won't buy another card. And Panasonic Fm was you second choice ( and yeah it's much cheaper, that's why I'm confused) and I thought you'd offer something instead of Black Gate your first choice!

It's up to you if you help or not just don't be pissed at me because it wasn't on purpose!
post #856 of 979
The 3 best capacitor available in my country and spec nearly the same, which one do you offer:

1000 uF 16V

Impedance Maximum permissible
(Ohm 20 C MAX.) ripple current (mA r.m.s./105°C, 100kHz)

Rubycon ZL 0.023 1820

Nichicon HD 0.023 1820

Panasonic FM 0.019 2180

So it means the Panasonic FM won?
Do you think that Rubycon the manufacturer of Black Gate is as good as Black Gate was?
post #857 of 979
Panasonic FM are some of the best caps for power filtering, hands down. That's what I use in all the power supplies I build. The amp sitting on my desk has Blackgates in the signal path and Panasonic FM in the power supply.
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post #858 of 979
Dear Soloz2,

Next week will arrive the Panasonic FM caps. And at last, I would like to buy a headphone amplifier for my HD 555. I know that the following 2 amps are very low end but it's better than nothing. I know it's childish but which one is better in your opinion: (I can't build an amp for myself ;-))
1.,
a., http://www.behringer.com/HA400/?lang=ENG
b., http://www.monacor.de/typo3/index.ph...pr=EN&typ=full

2., Is it true that if you mute the volume of CD audio on the X-fi volume control panel than it will bring less noise through the analog output? (Of course when you listen anything but not a CD)

3., At which percent is better (on the volume control) the sound quality of an X-fi Extreme Music? At 85% or 100%?

Thanks for all your answers and help!!!
P.s: I think I've finished it all with these questions.
post #859 of 979
Quote:
Originally Posted by mayafree View Post
Dear Soloz2,

Next week will arrive the Panasonic FM caps. And at last, I would like to buy a headphone amplifier for my HD 555. I know that the following 2 amps are very low end but it's better than nothing. I know it's childish but which one is better in your opinion: (I can't build an amp for myself ;-))
1.,
a., http://www.behringer.com/HA400/?lang=ENG
b., http://www.monacor.de/typo3/index.ph...pr=EN&typ=full

2., Is it true that if you mute the volume of CD audio on the X-fi volume control panel than it will bring less noise through the analog output? (Of course when you listen anything but not a CD)

3., At which percent is better (on the volume control) the sound quality of an X-fi Extreme Music? At 85% or 100%?

Thanks for all your answers and help!!!
P.s: I think I've finished it all with these questions.
I'm not familar with any of those amps. For a cheap amp, you should look for a used mini3 or MisterX XP.
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post #860 of 979
Dear Soloz2,

Please help me because I think Ive destroyed my card!


Accidentely I also changed the IC in the center of the red rectangle with LM4562MA

1., Do you know the function of that IC. Do I have to replace with the old one or keep the LM4562MA?

2., If I have to replace with the old one the capacitors get too much heat (twice). How much time does it long now? One or two year?

3., Would you be so kind to tell the exact type of those 6 capacitors.
a., 2 biggest
b., 3 medium
c., 1 small size capacitors inside the red rectangle

to replace each of them with Panasonic ? series, ?V and ?F

This is life saving for me!!!! THANKS!
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