Head-Fi.org › Forums › Equipment Forums › Portable Headphone Amps › Ray Samuels SR71-B & LCD-2 (r2)
New Posts  All Forums:Forum Nav:

Ray Samuels SR71-B & LCD-2 (r2) - Page 2

post #16 of 28
Thread Starter 
Quote:
Originally Posted by Stevtt View Post

It is all a matter of personal taste. I keep mine in the middle and use the volume control of my source because I'm runnign a slight imbalance heavy to the left so when I get the SR-71b volume where I want it I very rarely change unless I'm going between IEM's and Headphones. You just have to experiment until you get it where you want it


What headphones are you using?
 

 

post #17 of 28
Quote:
Originally Posted by upstateguy View Post


 


That's my understanding as well, nerver the less,  I'd still like to know what the output impedance is at each of the gain settings.

 

It looks very bad when a manufacturer won't post a straight answer to a very simple question.

 


I don't believe gain setting has any appreciable effect on the output impedance. 

 

post #18 of 28

I'm using three with it. LCD-2's,Beyer 880's and Westone ES5's

 

LCD-2's Middle

Beyers High

ES5's low

post #19 of 28
Thread Starter 
Quote:
Originally Posted by Stevtt View Post

I'm using three with it. LCD-2's,Beyer 880's and Westone ES5's

 

LCD-2's Middle

Beyers High

ES5's low


Do you have a fav headphone with it?
 

 

post #20 of 28
Wow, that's a hard one. I love the ES-5's and the LCD-2's equally for different reasons. But I do feel the SR-71b is a common denominator with the qualities I like with both and in my opinion if fantastically versatile. I'm using it as my only amp right now and I'm running my vinyl and digital home rigs through it as well as my portable. I Plan on sticking with it until Ray puts the same type of volume control into a large rig (and I can afford it)

I will also say that I'm sticking with my LCD's most of the time with the main rig unless I need a lot of isolation. Unfortunately my poor balanced 880's may be looking for a new home in the future.
post #21 of 28
Thread Starter 
Quote:
Originally Posted by Stevtt View Post

Wow, that's a hard one. I love the ES-5's and the LCD-2's equally for different reasons. But I do feel the SR-71b is a common denominator with the qualities I like with both and in my opinion if fantastically versatile. I'm using it as my only amp right now and I'm running my vinyl and digital home rigs through it as well as my portable. I Plan on sticking with it until Ray puts the same type of volume control into a large rig (and I can afford it)

I will also say that I'm sticking with my LCD's most of the time with the main rig unless I need a lot of isolation. Unfortunately my poor balanced 880's may be looking for a new home in the future.


Interesting, you're using a portable amp to power vinyl too?  In my short time with that amp (72 hrs), I suspected that it was a giant in a small package.  I think I'll try it in my main rig tonight.  What interconnects are you using to hook it all up?  Do you have a simple adapter cable with regular interconnects?  Please fill me in on the details on your interconnects.  Thanks.

 

Haven't heard the ES-5 or the 880, but I do have a pair of LCD-2's I am breaking in (144 hours) and I have an ALO universal cable with a balanced connector, and I am really liking what I hear.

 

Have you noticed a burnin requirement for the SR71-B?

 

Thanks.

 


 

 

post #22 of 28

I'm actually using a couple different. I'm using a Blue Jeans phono interconnect from a Music Hall MMF 7.1to  a  PS Audio GCPH phone stage. From there a Moon Audio Black Dragon balanced to the blanced in on the SR-71B. As I think I mentioned, I'm actually using the Phone stage for volume control. Once I have the SR-71b set the way I want it I don't mess with it's volume, at least for vinyl.  

 

From My DAC I have a blue Jeans XLR to a Moon Audio Black Dragon XLR adapter to the SR-71 plug. To tell you the truth I didn't notice much a change in the amp due to burn in, but I got it from somone else. 

 

I really would have found it hard to believe I could use the portable amp for my home rig but it sounds pretty darn good so for right now I'm content. I will say that for the ES-5's the amp puts out so much that I have the volume knob at right at about 9 and it very rarely comes off that setting

post #23 of 28
Thread Starter 
Quote:
Originally Posted by Stevtt View Post

I'm actually using a couple different. I'm using a Blue Jeans phono interconnect from a Music Hall MMF 7.1to  a  PS Audio GCPH phone stage. From there a Moon Audio Black Dragon balanced to the blanced in on the SR-71B. As I think I mentioned, I'm actually using the Phone stage for volume control. Once I have the SR-71b set the way I want it I don't mess with it's volume, at least for vinyl.  

 

From My DAC I have a blue Jeans XLR to a Moon Audio Black Dragon XLR adapter to the SR-71 plug. To tell you the truth I didn't notice much a change in the amp due to burn in, but I got it from somone else. 

 

I really would have found it hard to believe I could use the portable amp for my home rig but it sounds pretty darn good so for right now I'm content. I will say that for the ES-5's the amp puts out so much that I have the volume knob at right at about 9 and it very rarely comes off that setting

I have been going back and forth on balanced vs single ended.  I do have a balanced adapter for the SR71-B to my LCD-2's and when I use it the sound seems more spacious than when I use the single ended adapter.  However the input is single ended, not balanced.  So, how much more to the party does a balanced input bring with the SR71-B?

 

post #24 of 28

According to Ray, even with a SE input you are still getting a balanced out if you are using the balanced out. I will say that the soundstage does open significantly with balanced. As far as trying to decide what actual benefits you get from balaced in to balanced out I'm still working on.

 

My problem is I switched a lot of stuff very quickly so I'm trying to very careful about which piece of equipment I feel is responsible for what aspect. I went from SE Westone UM3x's and single ended 880's with a Little Dot MKIV  to the Sr-71B, balanced 880's then balanced ES-5's and from there immediately jumped into balanced inputs, a new DAC and then the LCD's so I'm still trying to sort everything out.

 

As far as I'm really willing to go now is that with all three of the headphones I have plus a couple others I've tried it with, the SR-71B has only enhanced.  Prior to this round I was doing single ended with Grado RS-1's and Senn HD650's with a tube amp (Raptor). So it's all been a three year blur. On top of that I got back into speakers too.  So I am very careful about trying to steer peoiple in one direction or the other. However I feel the balanced route is definately superior

post #25 of 28
Quote:
Originally Posted by HiFlight View Post

I don't believe gain setting has any appreciable effect on the output impedance.

 


Thank you for trying to answer for Ray.

 

 

 

@ Ray Samuels:  Do you know the the impedance for each of the gain settings on your SR-71B?

 

 

 

orig.jpg

 

post #26 of 28
Quote:
Originally Posted by upstateguy View Post

I think what Mike is asking for is the impedance at each of the gain settings. 

 

There is no reason why Ray shouldn't know this or want to keep it secret, so Ray, what is the output impedance of Hi (11) gain, Med (6)  gain and Lo(3) gain?

 

Thanks.beerchug.gif


The SR 71 "Emmeline" was spec'ed at 16 ohms at 2 kHz, Stereophile measured less than 1 ohm. I don't know if it was the same version.

I hope you'll get an answer for the SR-71B.
post #27 of 28
Quote:
Originally Posted by khaos974 View Post



The SR 71 "Emmeline" was spec'ed at 16 ohms at 2 kHz, Stereophile measured less than 1 ohm. I don't know if it was the same version.

I hope you'll get an answer for the SR-71B.


I saw that on Ray's site too, 16 ohms at 2 kHz, but that's was for a gain of 6dB and the SR-71 had no gain switch.

 

I don't know what Stereophile measured, but now it seems that we have conflicting measurements?

 

I agree with you, I hope I'll get an answer for the SR-71B.

 

post #28 of 28
Quote:
Originally Posted by upstateguy View Post


I saw that on Ray's site too, 16 ohms at 2 kHz, but that's was for a gain of 6dB and the SR-71 had no gain switch.

 

I don't know what Stereophile measured, but now it seems that we have conflicting measurements?

 

I agree with you, I hope I'll get an answer for the SR-71B.

 


bump for the output impedance at each of the 3 gain settings.

 

New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Portable Headphone Amps
Head-Fi.org › Forums › Equipment Forums › Portable Headphone Amps › Ray Samuels SR71-B & LCD-2 (r2)