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New Schiit Lyr: Hybrid 6W Headphone Amp. Yes. Six. Watts. RMS. - Page 11

post #151 of 833
Quote:
Originally Posted by grokit View Post

So the pre-amp feature passes the line-level input through to another amp but is that passed-through signal attenuated with the volume knob?


The volume control should attenuate the input signal voltage going into the external amplifier.

 

Quote:
Originally Posted by rhythmdevils View Post

I know it's not made specifically to be a preamp, I'm just curious how 6 Watts would effect it's performance as a preamp.  I guess it's not really that beneficial to have a high powered pre-amp though? 


My question is if you connect a headphone, does it cut the output to the line out? If true then it should not affect its performance as a preamp.

post #152 of 833

I believe "high powered pre-amp" might be a contradiction in terms.


Edited by grokit - 12/31/10 at 5:43pm
post #153 of 833

This is the first time that I've heard of the phrase "high-powered preamp". A preamp preamplifies the input signal from different sources at different gains to feed the amp so that the spl coming out from the speakers or headphones are about the same.

post #154 of 833

It would essentially just be a volume control. Only Jason can really answer all these questions.
 

Quote:
Originally Posted by ninjikiran View Post

It probably doesn't go through ANY amplification if you use a preamp output.  It would have to have a separate line.  Otherwise itde just be an RCA or something like that headphone amp output.
 

Quote:
Originally Posted by rhythmdevils View Post

I know it's not made specifically to be a preamp, I'm just curious how 6 Watts would effect it's performance as a preamp.  I guess it's not really that beneficial to have a high powered pre-amp though? 

post #155 of 833

I'd be willing to bet that it's just a pass-through with no attenuation.

post #156 of 833

Then what's the point of having it in between? How do you control volume if you are using a basic amp that does not have a volume control or input attenuator?

post #157 of 833

Maybe you want to pass your source through to a speaker system, or pass the signal from the record out of a real preamp/receiver, through the Lyr and then to a recording device if you want.


Edited by grokit - 12/31/10 at 9:12pm
post #158 of 833

I still think that they would put a load detector circuit on the headphone out and cut the output to its preamp out.


Edited by wuwhere - 12/31/10 at 9:22pm
post #159 of 833
Quote:
Originally Posted by grokit View Post

I'd be willing to bet that it's just a pass-through with no attenuation.



There is very little chance of that.  It would be misleading to call that a preamp out.  A preamp out MUST be controlled by the volume pot.  I'm sure that is what they are doing.  The preamp out very likely comes off the tube gain stage, but prior to the solid stage output amplification stage used to drive the headphones. 

post #160 of 833
Thread Starter 

Hey everyone,

 

To answer a few more questions:

 

1. Preamp outputs: yes, the Lyr's pre-outs are amplified, and controlled by the volume pot. 

 

2. High powered pre-amps? Well, that's a bit of a misnomer. Preamps almost always have some series resistance in the output (in Lyr's case, 75 ohms). However, one of the demos we used to do with the old Sumo preamps was to remove the resistors and drive speakers with it. Note: don't try this at home! 

 

3. Benefits of high-powered pre-amps? Other than a relatively low-impedance output to drive long cable runs, none that I know of. The Sumo demo was more of a "startle the crowds" kind of thing than anything related to sound quality.

 

4. Balanced? Someday. Don't expect it to be inexpensive.


Edited by Jason Stoddard - 1/1/11 at 8:34am
post #161 of 833

Thanks for the info, Jason. I know you will take the time to develop quality products in the future, as you have done with this one. I can't wait to hear it with the HE-4, HE-6, and LCD-2. 

post #162 of 833

 

I have to say this is how business should be done in America.  Well done.  I enjoy my Schiit daily.

post #163 of 833
Awesome .... The Lyr paired with a Schitt Dac, driving an LCD-2 would probably be one of e ultimate all-American setups ... With great service & support to boot.
post #164 of 833

 

Cables from Moon audio, Cardas, Kimber or ALO to complete!

post #165 of 833
Quote:
Originally Posted by Jason Stoddard View Post
...

4. Balanced? Someday. Don't expect it to be inexpensive.


I don't think anyone expects you to give anything away, just keep offering US-made products with "good value" as you currently already do now.

A quality and powerful balanced amplifier that would drive just about anything (like the Lyr) could potentially be very popular. 

I'd pay $1K+ for such a beast from Schiit.  Compared to competitive offerings, that seems like a very good value to me.

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