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Review and Measurements of Schiit LYR 2 Amplifier

L0rdGwyn

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#21
Where did you get those tubes? After I get this amp back from Amir, I may try some tube rolling.

Sadly, I don't have any other tubes for this amp (yet). I have been using it exclusively with LISST after I found that I subjectively preferred their sound. Curious to see that Schiit have now discontinued them, I wonder why?
I owned this amp briefly. The best sound I heard from it was with a pair of Western Electric JW 2C51/396A. Requires adapters.
 

bravomail

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#23
Thx for review, Amir! If anything, headphone manufacturers should flock to Schiit and ask it to do more devices like Lyr 3, to increase headphone sales! :) :D
 

Dana reed

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#24
Where did you get those tubes? After I get this amp back from Amir, I may try some tube rolling.

Sadly, I don't have any other tubes for this amp (yet). I have been using it exclusively with LISST after I found that I subjectively preferred their sound. Curious to see that Schiit have now discontinued them, I wonder why?
I got the tubes here, and sprung the extra few bucks for a matched set
https://www.tubedepot.com/t/brands/genalex

They discontinued the LISST at the end of last year because they didn’t sell well and were a pain to assemble. Oh well, I have a pair of them for this amp and also four of them for my Freya preamp. They should last for a while being SS.
 

Jimster480

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#25
The measurements are "okay" but honestly the price is too high.... and as some others have said; this unit has been reported to kill headphones.
Better to stay away from something that could possibly kill headphones (or your hearing) if there is a problem...
 

amirm

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#28

garbulky

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#29
It was grounded. I assume output impedance is independent of input gain.
I'm just curious how they are managing the low gain. If it is by means of a resistor the output impedance might be particularly high in low gain mode.
 

solderdude

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#30
In case of the Lyr2 (which is a hybrid) the output impedance is low in both gain settings.
It is below 0.3 Ohm in both gain settings.
Output Impedance: 0.3 ohms, high gain (worst case)

With the Valhalla 2 the gain settings do affect the output impedance directly, more feedback = lower gain = lower output impedance in this particular case (single ended tube output)
Output Impedance: 14 ohms (high gain), 3.5 ohms (low gain)
 
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