[vincent215]

I want to upgrade my system from O2/ODAC to Schiit stuffs (ubber Biofrost & Lyr). However, I dont see lot of people recomend it with flagship headphones (HD800 & Audeze phones) Same does for the Mjolnir and Gungnir 
Do you guy recommend me this combo to pair with LCD 2 and Alpha Dog? I am searching for a mid-fi all around amp ($400-$900 range) that will do the job decently with many headphones (I dont count HE-6 or K1000). My target is the Headamp GS-X, I have heard nothing but good about them.

 

[StanD]

  I think what Schiit is saying that you can not drive two outputs at once. Most of the RCA switch boxes that I have seen with two outs means that it will drive two outputs at the same time.

Nodody drives an ouput, an output drives an input.
Read the product page, the idea is to select which of two sources connects to (drives)  a singe device, being either your powered speakers or headphone amp. One not both. The volume control is for convenience. If, for example, your powered speakers have an input selector and volume control within easy reach, this device is not necessary.

 

[Raptor34]

  Hey everyone... is it just me? or did we just get some new Schiit?
 
http://schiit.com/products/sys-passive-preamp

Yuppers, ordered mine last night.   No more cable switching.   YAH 

 

 

[Raptor34]

  Since it's passive, I'm wondering if it's possible to use it in reverse, so 1 in and 2 out. I have a feeling it might be.

Just read the "FAQ" page people  

    It's a 2 in one out device.   

 

[fenderf4i]

 
Just read the "FAQ" page people  

    It's a 2 in one out device.   

 
 
Wow good one there, ace. It doesn't change the fact that some of us are wondering if it can be used in the opposite direction, since it's a passive device. The Fiio HS-2 switcher can be, so I think this one can be as well.
 
The reason we emailed, was because we read the FAQ, and our question was not answered in it.
 
Maybe I want to split the output of my DAC to a headphone amp that doesn't have preouts, and also to active speakers where the volume control would be nice to have.
 
Or, if I have one output on my DAC, and three devices to output the signal to, if I were to use a Y-splitter at the DAC, adding the switch box from the y-split to two other devices would not be like splitting the signal another time, since it's actually switching it.

 

[StanD]

   
 
Wow good one there, ace. It doesn't change the fact that some of us are wondering if it can be used in the opposite direction, since it's a passive device. The Fiio HS-2 switcher can be, so I think this one can be as well.
 
The reason we emailed, was because we read the FAQ, and our question was not answered in it.
 
Maybe I want to split the output of my DAC to a headphone amp that doesn't have preouts, and also to active speakers where the volume control would be nice to have.
 
Or, if I have one output on my DAC, and three devices to output the signal to, if I were to use a Y-splitter at the DAC, adding the switch box from the y-split to two other devices would not be like splitting the signal another time, since it's actually switching it.

Not a good idea, because of the attenuator.

 

[Raptor34]

   
 
Wow good one there, ace. It doesn't change the fact that some of us are wondering if it can be used in the opposite direction, since it's a passive device. The Fiio HS-2 switcher can be, so I think this one can be as well.
 
The reason we emailed, was because we read the FAQ, and our question was not answered in it.
 
Maybe I want to split the output of my DAC to a headphone amp that doesn't have preouts, and also to active speakers where the volume control would be nice to have.
 
Or, if I have one output on my DAC, and three devices to output the signal to, if I were to use a Y-splitter at the DAC, adding the switch box from the y-split to two other devices would not be like splitting the signal another time, since it's actually switching it.

Certainly hope your questions have been answered,  ace.

 

[fenderf4i]

Certainly hope your questions have been answered,  ace.

Actually, we still don't know for sure. Pay attention.

 

[huberd]

The tubes are usually very tight in the socket. Not sure how they could move around. You may want to test with different tubes. 

 

[huberd]

Also try to swap the inputs to see if it is something up stream or possibly a cable. . 

 

[Raptor34]

Actually, we still don't know for sure. Pay attention.

zzzzzzzzzzzz

 

[Jason Stoddard]

Yep, SYS is a new little two-input passive preamp. We never tried it backwards, which is why Nick is very confused.
 
Speculation: it'll probably work as a switch with the volume turned all the way up. We don't know how the volume control will work, though.

 

[AK7579]

  Yep, SYS is a new little two-input passive preamp. We never tried it backwards, which is why Nick is very confused.
 
Speculation: it'll probably work as a switch with the volume turned all the way up. We don't know how the volume control will work, though.

Can you test it backwards and report? My finger is itching to click on the order button!

 

[fenderf4i]

  Yep, SYS is a new little two-input passive preamp. We never tried it backwards, which is why Nick is very confused.
 
Speculation: it'll probably work as a switch with the volume turned all the way up. We don't know how the volume control will work, though.

 
 
That makes sense! I know a lot of us have, say, 3 or 4 amps that we would like to output our DAC to at once without swapping wires. I'm not sure daisy chaining y-splitters is a great idea since it splits the signal each time, whereas a switch like the SYS is basically just a passthrough, so I wouldn't think that would be an issue.

 

[StanD]

  Yep, SYS is a new little two-input passive preamp. We never tried it backwards, which is why Nick is very confused.
 
Speculation: it'll probably work as a switch with the volume turned all the way up. We don't know how the volume control will work, though.

Used backwards, chances are that with the volume down all the way one might be close to applying a short to ground on what ever is plugged into the unswiitched jacks. This is if a conventional attenuator circuit is employed.. As you turn up the volume control the load on this input goes up to the max resistance of the volume pot in parrallel with whatever's impedance is switched into play. It will certainly not act like a proper volume control. I doubt that you guys ever intended for anyone to get their Schiit backwards,.