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HE-500, LCD2, D5000, DT770, SR80, on a speaker amp (Emotiva mini-X A-100) Project - Page 117

post #1741 of 3642
Thread Starter 
Quote:
Originally Posted by moriez View Post

Malveux, thanks for writing about the 770's and sorry in advance if it has been brought up before. I'd like to know if there's anything that the T70 pads sonically have in favour over the stock pads.

 

Heya,

 

The T70 pads are microfiber, different material and different composition inside compared to the DT770 pads. Isolation is more absolute with the T70 pads. Also, the T70 pads seem to absorb a little more, so sonically, the boominess of the mid-bass of the standard DT770 is not there, it's actually a very flat sounding headphone with the T70 pads, still retaining a touch of brightness to the treble, but the mid-bass settles, and you still have wonderfully rich and extensive sub-bass. I absolutely enjoy the DT770 with T70 pads over the T70 itself--which to me is not a good headphone unless you are trying to get something for detail mastering and imperfection hunting (and even then, the Shure SR940 is so similar to the T70 for way lower cost, that it seems the T70 just is a weird headphone to me, especially coming from Beyer).

 

Very best,

post #1742 of 3642
Quote:
Originally Posted by nk77 View Post

I keep forgetting about my avatar. Just to confirm I was joking - a lot of people take me seriously. You musn't - it may be detrimental to your health. 

 

Whereabouts on the volume dial do you utilise the Emotivas for use with the HE-500s? Unfortunately, I seem to have missed the sale they had a short while back for $189 (IIRC).


My Emotiva volume knob never pass 9:30 unless I use the HE500 for speaker which it is capable of  biggrin.gif

Like M-13, no hiss at all.  Noise floor will become slightly audible at 2 o'clock and beyond.

post #1743 of 3642

I actually get a lot of playroom on my volume knob because the Concero only does 1.2V intstead of the usual 2V or higher. I listen anywhere between 9 and 11-a-clock. Almost the same amount of freedom I had when using the Lyr. I try to keep the volume low as possible to save my hearing but some nights I go wild.evil_smiley.gif

post #1744 of 3642
On my He5LE there is an obvious nose floor that totally takes away from the listening experience. It's even worse on my T1. And the amp kinda jitters occasionally which is annoying too. Oh well, after the NYC Meet I'm selling my HE5LE and Emotiva, I'm only keeping it so people can have a listen
post #1745 of 3642
I've just noticed a buzzing sound that's coming from the circular thing near the top vent in the amp itself, quite apparent if I'm nearby, normal or faulty?

Edit : It only kicks in when the blue lights on. Standby it's silent. Sounds like the buzz that you hear in the rear of plasma/some lcd tvs.
Edited by fluidz - 8/29/13 at 9:21pm
post #1746 of 3642
Quote:
Originally Posted by fluidz View Post

I've just noticed a buzzing sound that's coming from the circular thing near the top vent in the amp itself, quite apparent if I'm nearby, normal or faulty?

Edit : It only kicks in when the blue lights on. Standby it's silent. Sounds like the buzz that you hear in the rear of plasma/some lcd tvs.


That's normal, except some of us hear a hiss or hum through our headphone which really annoys us. Hopefully someone on here can help us solve this awful dilemma!

post #1747 of 3642

Grounding is always worth a try.

post #1748 of 3642
So everybody else is experiencing the same buzz from the top vent? Mines not faulty?
post #1749 of 3642
Quote:
Originally Posted by fluidz View Post

So everybody else is experiencing the same buzz from the top vent? Mines not faulty?

Well, that big heavy round thing would be the toroidal transformer, and there is a lot of current running through it.  It is designed to be low noise though, and I don't recall hearing anything from it when I had my Mini-X so you may want to contact Emotiva customer support just in case.

post #1750 of 3642

So I'm running the He-500's with an OCC balanced cable through an audioengine D1 and Maverick Audio A1. Couldn't be more pleased ATM.

post #1751 of 3642
Quote:
Originally Posted by fluidz View Post

So everybody else is experiencing the same buzz from the top vent? Mines not faulty?

 

Btw I'm assuming you got the speaker taps made up (just as a side topic)? 

post #1752 of 3642
Here's a video i made of the noise coming from the amp, it's audible from close sitting distance - https://www.dropbox.com/s/ahqkuqo12wjnvh3/2013-08-31%2011.08.28.mp4
Edited by fluidz - 8/31/13 at 4:00am
post #1753 of 3642

The noise is nothing to worry about, really. Both my DAC and Stax amp has that noise, it is due to improper grounding or other noisy electronics in its proximity.

post #1754 of 3642
Quote:
Originally Posted by nk77 View Post

 

Btw I'm assuming you got the speaker taps made up (just as a side topic)? 

 

Yep. 
post #1755 of 3642
Quote:
Originally Posted by fluidz View Post

Yep all made up.

Here's a video i made of the noise coming from the amp, it's audible from close sitting distance - https://www.dropbox.com/s/ahqkuqo12wjnvh3/2013-08-31%2011.08.28.mp4

 

A silly suggestion but not simply that little fan is it  - doesn't sound like it? If not, have you tried using other power points around the house - still same noise. Otherwise all I could think of is a noisy transformer. Can't make it out too well even at max volume on PC but is it a buzzing sound?

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