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NEW Vali Schiit AMP!!! - Page 228

post #3406 of 4272
Quote:
Originally Posted by Snips View Post
 

I'm temporarily running the TDK BA200 out of the Vali while waiting for my HD600s. Damn, the hiss pretty bad. I can hear it even when a song is playing. 

You won't hear the hiss with the HD600's. Those IEMs are very sensitive, that's why you are hearing hiss. You probably have the volume set very low as well.

post #3407 of 4272
Quote:
Originally Posted by StanD View Post
 

You won't hear the hiss with the HD600's. Those IEMs are very sensitive, that's why you are hearing hiss. You probably have the volume set very low as well.

 

Yeah the volume is pretty low. Don't have much of a choice at the moment, any louder and my ear drums will pop :p

post #3408 of 4272
Quote:
Originally Posted by phillyd View Post

My Vali came with a scratch above the volume knob. It is now out of the 15-day refund period and the RMA period for aesthetic issues, but Schiit is sending me a new chassis for it, free of charge! Great CS!!

 

You didn't open it for 15 days?

post #3409 of 4272
No, but I waited to contact them about it.
post #3410 of 4272

So my 300 ohm impedance adapter arrived today, and it works great with my KEF M500 and Vali. Silent noise floor. Great control of volume level as well, and I normally have my M500 at 11-12 o'clock on the Vali now. It even works well with my Bottlehead Crack OTL amp as well. Looks to be a solution to low impedance headphones.

 

http://www.ebay.com/itm/Etymotic-ER4P-to-ER4S-6-35-to-3-5mm-resistor-adaptor-/281259601005

 

Just ask for the 240 or 300 ohm one.


Edited by Sonido - 2/10/14 at 6:34pm
post #3411 of 4272
Quote:
Originally Posted by Sonido View Post
 

So my 300 ohm impedance adapter arrived today, and it works great with my KEF M500 and Vali. Silent noise floor. Great control of volume level as well, and I normally have my M500 at 11-12 o'clock on the Vali now. It even works well with my Bottlehead Crack OTL amp as well. Looks to be a solution to low impedance headphones.

 

http://www.ebay.com/itm/Etymotic-ER4P-to-ER4S-6-35-to-3-5mm-resistor-adaptor-/281259601005

 

Just ask for the 240 or 300 ohm one.

It looks like these adapters only put a resistor in series with each amp channel and the related transducer in your cans. If that's all it does and your cans don't have a flat impedance curve you're going to have an altered FR. To reduce the volume at the cans you need an L-PAD that also puts a resistor across the transducers. That means 2 resistors for each channel.

Those are 32 Ohm Cans. Putting only a 300 Ohm resistor in series will kill any damping that the amp normally provides. That means losing some control of bass.

A proper L-PAD will drop the volume and manage impedances at both ends (amp and cans). The more sensitive your cans the more you can get away with.

OK, I just found the impedance curve for your M500's. Lucky you it's flat. Scratch one possible problem. Doing this to certain Sennheiser cans would result in some flabby bass boost.

You might want to compare the M500's using the adapter and Vali/Crack to another low impedance amp without the adapter that doesn't have any noise issues and see what the bass is like as to the loss of damping.

 

u

post #3412 of 4272

Ok, need some advise.  Assuming that the price difference is inconsequential, am I better off going with the Vali, Valhalla, or Lyr.  I am deadset on getting a tube amp and from observing the community and Schiit's interaction with it have also determined it will be one of their products.

 

Right now I only have low-midrange Audio Technicas (ESW9, AD900X, M50....actually that's been handed down to my daughter but I may get it back as she's been drooling over the pink coloured Momentums).  I am currently considering stepping up to either the Shure SRH1540 or the ATH-W1000 (baby steps in my purchases).  I obviously love that rich detailed midrange and am sensitive to excessive highs.

 

I do like the thought of the all tube Valhalla but Schiit's comment "Beyer 600 ohm models and Sennheiser 300 ohm headphones are best–think high-impedance when you’re thinking about Valhalla. Yes, we have plenty of people using Valhalla with low-impedance headphones, but the best match is with high-impedance cans." has me concerned.  The lineout on the Lyr would preclude the need for a splitter and turning off the speakers when listening to the headphones.  But the Vali is cheap and cheerful it has really caught my eye...so I am conflicted and would appreciate any recommendations the forum would want to give.

 

P.S.

Assume a pairing with a totally decked out Bifrost (Uberanalouge/Gen2 USB) and the source strictly being my computer.

post #3413 of 4272

I'm using the Byer DT880 250 ohm with the Vali. I think it pairs very well. I'm not sure the Vali would work as well with the 600 ohm model though. I'm usually at around 12 or 1 on the pot with the 250 ohm. With the 600 ohm there may not be enough headroom. You may want to go with the Valhalla with the very high impedance headphones. 

post #3414 of 4272
Quote:
Originally Posted by Spiral Out View Post
 

I'm using the Byer DT880 250 ohm with the Vali. I think it pairs very well. I'm not sure the Vali would work as well with the 600 ohm model though. I'm usually at around 12 or 1 on the pot with the 250 ohm. With the 600 ohm there may not be enough headroom. You may want to go with the Valhalla with the very high impedance headphones. 

Or don't buy the 600 Ohm version of those cans and live in the Vali. The Senn HD600 works very well with the Vali. Me, I prefer the Asgard 2, I have both amps. Even though, I have the Vali in my den and listen to it plenty enough.

post #3415 of 4272

Just thought I'd comment on the noise level of Vali now that I've had it for some time with it, as its a potential turn off to those considering it.

 

Its a noisy amp, no doubt about it.  About as noisy if not just slightly noisier than portable devices with sensitive IEMs.  That being said, most of the time, the recording noise on most songs tends to be louder than the background noise at my listening levels (which is about 9 to 11 o'clock).  If you are listening to it louder it should not be an issue at all, in my opinion.  However, if simply knowing that there is noise somewhere in the background that does not belong to the recording bothers you, then I guess its not for you.  Which is a shame, because its a great sounding little amp.

 

Just my two cents on an issue I've been asked about before.

post #3416 of 4272

I searched in this thread, it seem grado sr225 is not very good with Vali? 

post #3417 of 4272
Quote:
Originally Posted by AnalogSavior View Post
 

Just thought I'd comment on the noise level of Vali now that I've had it for some time with it, as its a potential turn off to those considering it.

 

Its a noisy amp, no doubt about it.  About as noisy if not just slightly noisier than portable devices with sensitive IEMs.  That being said, most of the time, the recording noise on most songs tends to be louder than the background noise at my listening levels (which is about 9 to 11 o'clock).  If you are listening to it louder it should not be an issue at all, in my opinion.  However, if simply knowing that there is noise somewhere in the background that does not belong to the recording bothers you, then I guess its not for you.  Which is a shame, because its a great sounding little amp.

 

Just my two cents on an issue I've been asked about before.

To add to this, Ive had my Vali for about four days now with my HE-400's. I have 3 posts so ill keep it short, the noise is not a problem to me and I feel like im pretty sensitive to background noise.

post #3418 of 4272
Quote:
 I searched in this thread, it seem grado sr225 is not very good with Vali?

 

I think the SR225 sound very good with the Vali. Far better than the older Headroom amp I was using them with before. The only downside is there is noticeable noise with no signal or with come classical recordings that have very quiet sections. The Vali has a 6.5 ohm output impedance and the Grados are 32 ohms and pretty sensitive, so there is bound to be some hiss. I listen to rock primarily with the 225 and there is absolutely no noise 99% of the time; the only time I can hear any is in between tracks or at the very end of a fadeout on a track. I really don't find it offensive at all.

post #3419 of 4272

It's worth trying out an impedance adapter for noise problems if your headphone has a flat impedance curve.

post #3420 of 4272

I have been thinking about trying an impdance adapter out with the 225. The only reason I haven't yet is that I can't find one that's 1/4" to 1/4". I really would rather not have an 1/4" to 1/8" adapter, then a impedance adapter on top of that. That might be kind of silly I know :o StanD's recommendation of an LPAD sounds like a better solution, but I have not been able to find one any were on the net that is suitable for use with headphones.

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