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The Apple diyMod: My Take on the Famous iMod [56k killer] Featuring 3G, 4G, 5G and nano 1G! - Page 177

post #2641 of 3004
Quote:
Originally Posted by cmiu View Post


Thanks a lot for answering my question. For the moment I plan to use the iPod only with this amp, and because I plan to put the caps outside (most probably directly on the cable) I can play around with caps (rating and types). And as a bonus the caps are almost half the price :)

 

Because it will not be a mobile solution I'm thinking that most probably I will route the signal thru the headphone jack. The iPod usually stands in the dock and I have opened yesterday night the dock hoping that the line out jack comes directly from the bottom iPod pins, but unfortunatelly it seems that first goes thru a integrate ... I will try pull the pcb out in order to inspect it visually and/or measure the path woth an ampermeter.

 

That's a good idea to have the caps so you can change them, experiment, etc. It also is worth mentioning that if you only need 1uf caps, stick with it. The is a disadvantage to using more cap than you need...  (4.7 for example) - there is more material in the signal path. Less material, the more pure the signal. At least that's the way I understand it. The whole point of this mod is to get the pure signal from the DAC, so the less capacitance in the way, the better. 

 

It would be an interesting experiment to have two identical setups where one was a 100k amp and 1uf caps, and a 10k amp with 8uf caps. Then see which had a better sound. My guess would be the 100k amp and minimal capacitance in the path. However, this experiment would never work because the character of the different amps would screw the whole comparison up! 

post #2642 of 3004

AppleMark

Okay so after various failed attempts I got this DIYmod going. Used Elna II caps and 28awg solid silver wire. Sounds way better than my old iphone. I did the DIYmod following grobe's advice, with internal caps and wired directly to the pins. Really have to thank him for it :)

post #2643 of 3004

Good job and congrats. beerchug.gif Fun with the diymod isn't it?

 

Yes the direct out mod with the magic caps can significantly improve the SQ of the 5g's/5.5g's from my experience. In fact I may have hit a jackpot with my recent mod paired with my gears. I am scratching my head what's happened since I am using the same killer caps. The only thing I could think of is I used different wires for the mod and a better solder station.

 

I would like to challenge those high-end daps with my killer setup. But I know this sound thingy all comes down to the "chemistry", it's like try and error game.

post #2644 of 3004
Quote:
Originally Posted by Athur126 View Post

AppleMark

Okay so after various failed attempts I got this DIYmod going. Used Elna II caps and 28awg solid silver wire. Sounds way better than my old iphone. I did the DIYmod following grobe's advice, with internal caps and wired directly to the pins. Really have to thank him for it :)

 

Great work! Way to go! It was a bit of a rocky road but you did it! The next one will go very smoothly, I promise. Next experiment maybe swap out the electrolytic caps for film caps? A very worthwhile project. 

 

Quote:
Originally Posted by DMinor View Post

Good job and congrats. beerchug.gif Fun with the diymod isn't it?

 

Yes the direct out mod with the magic caps can significantly improve the SQ of the 5g's/5.5g's from my experience. In fact I may have hit a jackpot with my recent mod paired with my gears. I am scratching my head what's happened since I am using the same killer caps. The only thing I could think of is I used different wires for the mod and a better solder station.

 

I would like to challenge those high-end daps with my killer setup. But I know this sound thingy all comes down to the "chemistry", it's like try and error game.

 

Good stuff. It could be your solder joints were less than perfect with the old soldering iron? Maybe the new mod with more clean/solid joints have something to do with the "jackpot" sound...

 

You're going to have to start storing TV shows and pictures and all that on your iPods to fill them up. tongue.gif I know you must not have enough music to fill what?..888 Gb and increasing? Good grief someone get this guy into iPod rehab! 

post #2645 of 3004
Quote:
Originally Posted by thegrobe View Post

 

 

Good stuff. It could be your solder joints were less than perfect with the old soldering iron? Maybe the new mod with more clean/solid joints have something to do with the "jackpot" sound...

 

You're going to have to start storing TV shows and pictures and all that on your iPods to fill them up. tongue.gif I know you must not have enough music to fill what?..888 Gb and increasing? Good grief someone get this guy into iPod rehab! 

 

For next mod I will wire the sucker with 0.99997 silver. or maybe half gold half silver? wink_face.gif

 

Hey one day we'll have to feed these ipods with 48bits/132kHz flac's, and I promise you the 888 Gb's will be gone in a matter of days. By then I am looking at 8,888 gb's. L3000.gif

 

I am already in music rehab with all these ipods levitating all over my rooms.

post #2646 of 3004
Hmm film caps is a good idea.. Maybe the next time I get something from Mouser.
post #2647 of 3004
Btw has anyone done a DIYmod with supercapacitors? On my local forums someone is advertising them as the next best thing. Is this legit?
post #2648 of 3004
Quote:
Originally Posted by Athur126 View Post

Btw has anyone done a DIYmod with supercapacitors? On my local forums someone is advertising them as the next best thing. Is this legit?


The question is "can it fit inside the ipod?". If it does, let me know and I will be the 1st one to try it.

post #2649 of 3004
Quote:
Originally Posted by DMinor View Post


The question is "can it fit inside the ipod?".If it does, let me know and I will be the 1st one to try it.

And I'm the dummy who will put them outside the iPod.

I've got an ugly Altoids tin strapped to the back of my iPod to prove it! wink.gif bring it on!
post #2650 of 3004
Quote:
Originally Posted by thegrobe View Post


And I'm the dummy who will put them outside the iPod.

I've got an ugly Altoids tin strapped to the back of my iPod to prove it! wink.gif bring it on!

 

Now all you need is to squeeze your UHA into that Altoids too, or find a big Altoids to include both the ipod and caps. :)

post #2651 of 3004
post #2652 of 3004

I am digging the supercaps and like what I have read about it. Yes power and audio quality they are related. All I need to do is to try a diymod with these supercaps.

post #2653 of 3004

Order has been placed for these supercaps. Hearing is believing, and I want to find out nothing but the truth.

post #2654 of 3004
How much and where did u get them? The guy was charging $200 SGD(about $140?USD) more over film caps.
post #2655 of 3004

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Edited by DMinor - 8/1/13 at 2:52pm
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