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Schiit Magni Headphone Amplifier - Page 122

post #1816 of 2040
Quote:
Originally Posted by Lady Stoneheart View Post
 

May I ask? Is the Magni capable of powering the DT880 (600ohms) to a solid performance level? I'm thinking of picking up 2 of these 3 (HE-400, HD600, DT880) and was hoping that these would power them all well.

 

I've read that it powers the DT880 fine. I own the HD600's (300 Ohms) and the M/M brings them to life and makes them sing.

post #1817 of 2040
Quote:
Originally Posted by Lady Stoneheart View Post
 

May I ask? Is the Magni capable of powering the DT880 (600ohms) to a solid performance level? I'm thinking of picking up 2 of these 3 (HE-400, HD600, DT880) and was hoping that these would power them all well.

 

As long as your source/DAC puts out a good signal then yes, should work fine. Now, if you're planning to us something like a Clip+ directly into the Magni then...maybe not.

 

With HD600 and LCD-2s the M&M can go significantly louder than I'd ever listen at, and sound quite good while doing it. Heck, the little Schiit stack even made the K1000 and HE-6 sound pretty good.

post #1818 of 2040
post #1819 of 2040
Quote:
Originally Posted by renji1337 View Post
 

o_o. well crap. is it okay to have the magni at such low volumes? should i buy -12db attenuators? and do attenuators affect sound quality?

 

Or should I just keep the volume pot at 9 or below.

 

With any decent 24bit DAC, you've got quite a bit of room for software volume adjustment before you've got anything to worry about---equivalent to "bit perfect" for CD-quality audio with about ~20 dB attenuation. There is no reason to hamstring yourself with no volume range on the mangi pot... just turn down the software volume a little.

 

Cheeres

post #1820 of 2040

Soooo...

 

My Schiit Magni seems to have develop noise/static over time... It's really bad near 9 to 12 o clock which is the setting I usually use. Sometimes if I just move it a tiny bit, it goes away. Other times, static creeps through. I thought it was my cell phone at first but that isn't it.

 

Is there a fix for this? (i.e. is this cause by dust or things like that?)

Is this covered under warranty by any chance?!

 

I love the Magni but this is really starting to get on my nerves now.!

 

 

Thanks.

post #1821 of 2040
Thread Starter 
Quote:
Originally Posted by gelocks View Post

Soooo...

My Schiit Magni seems to have develop noise/static over time... It's really bad near 9 to 12 o clock which is the setting I usually use. Sometimes if I just move it a tiny bit, it goes away. Other times, static creeps through. I thought it was my cell phone at first but that isn't it.

Is there a fix for this? (i.e. is this cause by dust or things like that?)
Is this covered under warranty by any chance?!

I love the Magni but this is really starting to get on my nerves now.!


Thanks.

It sounds like you may have a bad pot--it happened to me. Schiit will replace it if that's the case.
post #1822 of 2040

Awesome!

It did not use to do that though... can that develop naturally over time?

post #1823 of 2040

Try rotating the pot full scale 3-4 times in a row, from lowest to highest position, to see if that clears the wiper. With the power off, of course.

 

Otherwise, yep, we'll have to replace it.

post #1824 of 2040
Quote:
Originally Posted by gelocks View Post
 

My Schiit Magni seems to have develop noise/static over time... It's really bad near 9 to 12 o clock which is the setting I usually use. Sometimes if I just move it a tiny bit, it goes away. Other times, static creeps through. I thought it was my cell phone at first but that isn't it.

 

Hey gelocks,

 

I encountered a similar scratchiness in the pot 'round that area of the dial and it turned out to be the extension cable from my phones was acting like an RF antenna ( here's the post in case you wanted to check it ). Just wanted to put that out there in case your setup might have this going on.

 

:tongue_smile:

post #1825 of 2040

Interesting and fun facts (related to the above.) Or, "Jason puts on his professor's hat."

 

About a billion years ago, right after the earth cooled, or when I was still young, you used to be able to buy these things called "crystal radio sets." These were nothing much more than a loop of wire, a diode, and a variable capacitor. When Mike was young, substitute a real crystal and a cat's whisker to create an elementary solid state diode. 

 

Plug the output of a crystal radio into an earphone, and you could tune in strong AM stations. Without any power. No batteries, no AC, nothing.

 

Read that again. 

 

Now that your minds are blown (and you're thinking I'm actually 122 years old and have the secret to eternal semi-youth), you might as "why is that, and what the hell does it have to do with scratchy pots/weird noises/etc?"

 

Well, the reason a crystal radio can work without power is that it uses the power of the radio transmissions themselves, rectified with a simple diode. A diode can occur anytime there is conduction one way, and not another. This can happen spontaneously anywhere there is oxidation--corroded connectors, bad cables, etc. If you're using a headphone extension cable, the diode-like connection between oxidized metal can act as a rectifier. Coupled with a long length of wire, boom, you can pick up and rectify all sorts of noise. The same thing can happen in a pot, even in a good conductive-plastic one like we use in Magni. That's why we ask you to rotate it a few times to see if it will clear itself out. It may, and it may not.

 

Now, you may not listen to AM radio, or even care about radio at all, but ask yourself: how close am I to the closest AM transmitter? FM transmitter? Wireless phone? Cellphone? WiFi router? Bluetooth device? Garage door opener? Roku remote? Because all of those emit RF into the air, and all of them can be rectified with a simple diode. 

 

Hell, there's so much RF running around, they've demonstrated how it can be used to self-power small gadgets. Think about that a bit, too. We live in an RF-rich environment these days, much more so than ever before. 

 

Now, do you wonder why there are so many weird whines/whistles/pops/noises in modern electronics? 

post #1826 of 2040

Wow. 

More things to check out then.

 

I do have to say that I had not experienced any of this until now... and I'm using new headphones... (AIAIAI TMA-1 Young Gurus with their Red Coiled cable...).

It COULD be the cable giving fits (I tried replacing the RCA cable but still experienced the same thing). So no extension cable but maybe that coiled cable is the culprit. 

Tomorrow I'll take the AIAIAIs and my on-ear Momentums and do some more testing.

 

If I still experience the same thing, I'll bring the amp home, do some more testing and as last resort, then contact Jason and see what we can work out.

 

 

Thanks for the replies, suggestions and science class from Jason! ;-)

 

 

P.S. Jason, have you considered writing short stories or something?! Man, between your replies and your FAQs, etc. you would have a good side-business, like your writing style!! ;-)

post #1827 of 2040

Actually, yep, in another life I'm a science fiction author: strangeandhappy.com

 

Unfortunately, not much time for that now. I have started writing "Think Small: The Story of the World's Most Improbable Start-Up, With Assorted Asides and Advice for Authors, Marketers, and Other Shills." AKA "The story of how Schiit happened." It also has an alternate title, but it won't make it past the swear filter on this site. 

 

Like many things about Schiit, it's a reaction against the "hey, we gotta get a billion users, a trillion dollar IPO, do it easy, 4 hours a week, outsource everything, who cares where it's made" model of our time.

 

Fun fact: at least 10% of Schiit's inception can be attributed to my marketing company (centric.com), where we tried to get corporate marketers to step outside their (very boring, anti-success) comfort-zones, with varying degrees of success. Imagine pitching a startup company: "Hey, we got your new name for you: Schiit! And not only that, we're going to take the schiit-references as far as they can go!" Yeah. Right.


Edited by Jason Stoddard - 10/1/13 at 5:28pm
post #1828 of 2040

Jason, I have built and listened to a 'cats whisker' radio, just so we know how old we both are <g>

post #1829 of 2040

Jason was all

 

Quote:

SCIENCE! (Click to show)
Originally Posted by Jason Stoddard View Post
 

Interesting and fun facts (related to the above.) Or, "Jason puts on his professor's hat."

 

About a billion years ago, right after the earth cooled, or when I was still young, you used to be able to buy these things called "crystal radio sets." These were nothing much more than a loop of wire, a diode, and a variable capacitor. When Mike was young, substitute a real crystal and a cat's whisker to create an elementary solid state diode. 

 

Plug the output of a crystal radio into an earphone, and you could tune in strong AM stations. Without any power. No batteries, no AC, nothing.

 

Read that again. 

 

Now that your minds are blown (and you're thinking I'm actually 122 years old and have the secret to eternal semi-youth), you might as "why is that, and what the hell does it have to do with scratchy pots/weird noises/etc?"

 

Well, the reason a crystal radio can work without power is that it uses the power of the radio transmissions themselves, rectified with a simple diode. A diode can occur anytime there is conduction one way, and not another. This can happen spontaneously anywhere there is oxidation--corroded connectors, bad cables, etc. If you're using a headphone extension cable, the diode-like connection between oxidized metal can act as a rectifier. Coupled with a long length of wire, boom, you can pick up and rectify all sorts of noise. The same thing can happen in a pot, even in a good conductive-plastic one like we use in Magni. That's why we ask you to rotate it a few times to see if it will clear itself out. It may, and it may not.

 

Now, you may not listen to AM radio, or even care about radio at all, but ask yourself: how close am I to the closest AM transmitter? FM transmitter? Wireless phone? Cellphone? WiFi router? Bluetooth device? Garage door opener? Roku remote? Because all of those emit RF into the air, and all of them can be rectified with a simple diode. 

 

Hell, there's so much RF running around, they've demonstrated how it can be used to self-power small gadgets. Think about that a bit, too. We live in an RF-rich environment these days, much more so than ever before. 

 

Now, do you wonder why there are so many weird whines/whistles/pops/noises in modern electronics? 

 

and then I was all

 

:popcorn:

post #1830 of 2040
Quote:
Originally Posted by Jason Stoddard View Post
 

Actually, yep, in another life I'm a science fiction author: strangeandhappy.com

 

Unfortunately, not much time for that now. I have started writing "Think Small: The Story of the World's Most Improbable Start-Up, With Assorted Asides and Advice for Authors, Marketers, and Other Shills." AKA "The story of how Schiit happened." It also has an alternate title, but it won't make it past the swear filter on this site. 

 

Like many things about Schiit, it's a reaction against the "hey, we gotta get a billion users, a trillion dollar IPO, do it easy, 4 hours a week, outsource everything, who cares where it's made" model of our time.

 

Fun fact: at least 10% of Schiit's inception can be attributed to my marketing company (centric.com), where we tried to get corporate marketers to step outside their (very boring, anti-success) comfort-zones, with varying degrees of success. Imagine pitching a startup company: "Hey, we got your new name for you: Schiit! And not only that, we're going to take the schiit-references as far as they can go!" Yeah. Right.

 

Oh dude!!!

I love Sci-Fi, Alternate stories/universes, post-apocalyptic/dystopian themes, etc... and now I will have to buy all of these! Jeez!

If they are written in the same style as I envision, I think I'll definitely like them.

 

 

Thanks!


Edited by gelocks - 10/1/13 at 8:52pm
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