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# Schiit Hits the Fan! Valhalla 2, Lyr 2 announced, Wyrd and Mani Previewed. - Page 7

Interesting afternoon, at my desk listening to Stravinsky's Le Sac du Printemps (Bernstein), on my HD650's, Schiit Valhalla/Modi, a slice of heaven! My Wife runs in, pulls my HP's off and apparently the Tornado Sirens were blaring, hmm, a choice continue the aural bliss and potentially be sucked into the Heavens. or......my Wife had to drag me away..........oh, I brought my Valhalla and 650's with me to the shelter 😏........

Now THAT'S a forum post! Everyone, forget the minutiae of cable differences and stuff, let's have more hair-raising adventure posts here! Who's next, how did you almost die from headphones?
Hey Jason... So, I was looking at the Vahalla 2 specs on the Schiit website and found:

Maximum Power, 50 ohms: 180mW

Maximum Power, 300 ohms: 800mW

Maximum Power, 600 ohms: 450mW

But I was wondering about 2 things:

1. What are the numbers if i use low gain? Does the max power for 50ohms go up while 300/600ohms go down? Or do they all go down?

2. What is the max power at 32ohms? the same as 50ohms?

If you're reading this Jason... I'm also curious about the Lyr numbers for low gain.

Funny thing is that I was never interested in the original Vahalla and was a big BIG fan/owner of the Lyr. Now... I'm confused and leaning more toward Vahalla 2. Almost a 1Watt into 300ohms of the HD600/800 would be mighty fine...

1) With a bit of rough calculations, the 50 ohm rating is from a 3 and something volts signal at the output, from a 2V signal at the input, making 1.5X, thus low gain. With the 600 ohm rating at 450 mw, it makes a 16 and something volts signal, from a 2 V signal, making arround 7X, thus high gain.

The maximum power rating seems made with the ideal conditions for the load tested already, so yes, these MAXIMUM power ratings are the bigger numbers you can get. However, I don't understand why you would want a watt in your Sennheiser. With normal listening level on the pot, you shouldn't ever use more than 100 mW (and that's crazy loud) with your HD600 anyway.

2) If the 50 ohm rating is current limited (arround 0.06 A), it makes arround 120 mW or less at 32 ohms.

As far as Lyr's low gain at 0 dB, well, it doesn't makes the signal bigger. So... from a 2V source, you'll get 2V out (minus the loss from the output impedance and so on). Use (4 / load impedance) to get the rough numbers you want in Watts.

Cheers.

(Correct me if I'm wrong, thanks).

Edited by Rem0o - 6/7/14 at 9:14pm
Quote:
Originally Posted by Rem0o

shouldn't ever use more than 100 mW (and that's crazy loud) with your HD600 anyway.

You are correct sir. I'm well aware of this as people on Head-Fi constantly tell me. Haha.

I just like having headroom... and lots of it. Thus, Schiit

I noticed some typos on page 5 of the Lyr 2 manual--numbers, diagram and descriptions don't correspond beginning with "3" (which is mentioned twice).

Quote:
Originally Posted by KG Jag

I noticed some typos on page 5 of the Lyr 2 manual--numbers, diagram and descriptions don't correspond beginning with "3" (which is mentioned twice).

The same mistake is repeated on the Valhalla 2 manual. No.3 is mistakenly repeated, and the second '3' should be 4 and 4 be 5. And the disclaimer shouldn't be numbered.

I know this is anal, just pointing out out if respect to the person who wrote the manual.

i wonder how will the "Amperex Orange Globes" sound with the Lyr II for a Treble head like me,

i used to have a WA7 + EH tubes and used it with my CIEM, compared with the Pico Power it was less exiting on the Treble/Bass,  and decided not to go Tubes again -.-''

yet i always wanted to have a Lyr II for fun/collection yet there were no low gain option,  now i am looking to try it , the mids on the Tubes are the best, thats what is luring me back.

Would love to see Asgard 2 vs. Lyr 2 comparison!

so... Lyr 2 or Valhalla 2 for Beyerdynamic T1?

Probably Valhalla 2, right?  I don't know.  Can someone suck half the information out of my brain to make room for knowledge to bloom?

Quote:
Originally Posted by cizx

so... Lyr 2 or Valhalla 2 for Beyerdynamic T1?

Probably Valhalla 2, right?  I don't know.  Can someone suck half the information out of my brain to make room for knowledge to bloom?

Get the Valhalla, it's better suited for very high impedance cans. It's cheaper too.

Edited by madwolfa - 6/16/14 at 11:00am
Quote:

Get the Valhalla, it's better suited for very high impedance cans.

+1, the Valhalla 2 is a great match.

That's what I figured.

Thanks!

If I put a Wyrd inbetween my computer and a Bifrost....and turned the Wyrd off, would the computer no longer see the Bifrost?

This would actually be a nice (if unintended) feature, since I have my computer connected to a TV (HDMI) and my external DAC for headphones/speakers. Windows is pretty dumb when it comes to playback device switching, but turning the USB DAC off makes it automatically switch to the next available Playback Device (e.g. HDMI).

So, if turning Wyrd off makes the computer think the Bifrost is no longer connected, that would be great.

Quote:
Originally Posted by tjw321

I just wish Schiit stuff was available in the UK at a decent price. The UK distributers price them at the same number of pounds as they are priced in dollars in the US. That's a 70% mark-up at today's rates.

Edited by stedes - 6/23/14 at 9:54pm
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