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[Official] OCN Headphones and Earphones Club - Page 2241

post #22401 of 38154
Quote:
Originally Posted by phillyd View Post

Now that I'm actually getting a real headphone amp I guess I'd like to know some things. Anyone care to explain what roles the following play for headphones: wattage, amperage and voltage?

wattage is just current times voltage.

current is what you actually want/need to drive the headphones.

I am not too sure what the voltage does, but I know that it is less important than current.
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post #22402 of 38154
Could voltage have something to do with the kind of...(not sure of a good term for the sound...compressed maybe?) sound you get when plugging a 80 ohm or higher headphone into a phone? Volume is okay but there's something missing.
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post #22403 of 38154
Thread Starter 
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Originally Posted by Tman5293 View Post

I'm glad you can't spread germs over the Internet because I don't want anything to do with that. biggrin.gif
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I know right? That would completely blow.

I see what you did there....
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Finally got around to taking the pictures of the LCD-3s and the rest of my collection. Warning: Spoiler! (Click to show)






Is that lint?
Quote:
Originally Posted by psi_guy View Post

a few questions for those that use iTunes: should i manually set my bitrate for audio playback setting to 96 kHz over the default 44.1 kHz? and the same for bits per sample for audio from 16 to 24? the only reason i ask is because my schiit modi dac will handle playback up to those settings.

in my windows audio settings, will i need to change my sound settings to match these settings in iTunes as well?

thanks!

Unless you have music that is encoded in that, then no. If most of your stuff is MP3s or even Lossless CD rips, it's going to be in 16/44. That is unless you have a full collection of stuff that's in 24/96. Keep it at 16/44 and then under playback, use Direct Sound. You shouldn't have to tweak anything in Windows as your DAC will be USB and override those settings. Think of it as an external soundcard that gives you no options besides volume.
 
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post #22404 of 38154
Quote:
Originally Posted by pez View Post

Unless you have music that is encoded in that, then no. If most of your stuff is MP3s or even Lossless CD rips, it's going to be in 16/44. That is unless you have a full collection of stuff that's in 24/96. Keep it at 16/44 and then under playback, use Direct Sound. You shouldn't have to tweak anything in Windows as your DAC will be USB and override those settings. Think of it as an external soundcard that gives you no options besides volume.
thanks! +rep
post #22405 of 38154
Quote:
Originally Posted by phillyd View Post

Could voltage have something to do with the kind of...(not sure of a good term for the sound...compressed maybe?) sound you get when plugging a 80 ohm or higher headphone into a phone? Volume is okay but there's something missing.

Without having studied headphone/speaker impedance, my theory is that higher impedance drivers allow for smaller changes in the current and thus higher "resolution" and more natural feeling sound.

Going by Ohm's law, I = V/R, so greater R needs greater V for the same current. High voltage can be more precise than small voltage due to the fact that a small inaccuracy or interference won't affect the voltage by much (in percentage). However, higher voltage circuits tend to be bigger in size due to bigger capacitors and such.

I also think having low impedance on the input of what you're driving with a voltage source (the amp) allows the driven circuit to interfere with the source and change the voltage it's getting. So higher impedance makes sure the driven circuit gets exactly the voltage it's supposed to get.

Again, that's my own theory from the little knowledge I have on this. Correct me if I'm wrong. smile.gif

By the way, by compressed I think you mean distorted. I don't really understand your question though to be able to answer it.
Edited by Daredevil 720 - 1/16/14 at 8:17am
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post #22406 of 38154
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post #22407 of 38154
just got my superlux HD 681 Evo in the mail... no wire came with it, just the 6.3mm adapter and the 3.5mm jutting out of left earcup.... fantastic... >.>
    
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post #22408 of 38154
Just picked up the Ultrasone Pro 900 and E12 portable amp. Let's just say this basshead is one happy camper biggrin.gif Guy threw in a free L9 cable for free as well =)
Headfoneshop in Toronto, highly recommended!

Works very well paired with an iphone 5. even double amped, until I can grab the lightning to 30 pin adapter to bypass iphone's internal amp. not sure if it's worth the $30 as double amped sounds great to me.
Edited by Scorpion667 - 1/16/14 at 9:37am
    
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post #22409 of 38154
Thanks guys! My little soldiers are hard at work killing off any residue infection. Tired of being a zombie. :3
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post #22410 of 38154
Thread Starter 
Quote:
Originally Posted by Scorpion667 View Post

Just picked up the Ultrasone Pro 900 and E12 portable amp. Let's just say this basshead is one happy camper biggrin.gif Guy threw in a free L9 cable for free as well =)
Headfoneshop in Toronto, highly recommended!

Works very well paired with an iphone 5. even double amped, until I can grab the lightning to 30 pin adapter to bypass iphone's internal amp. not sure if it's worth the $30 as double amped sounds great to me.

Have you tried the 900s straight from the iPhone? Besides the bass EQ function of the FiiO the iPhone most likely sounds better smile.gif.
 
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