Head-Fi.org › Forums › Equipment Forums › Headphone Amps (full-size) › Schiit Lyr Tube Rollers
New Posts  All Forums:Forum Nav:

Schiit Lyr Tube Rollers - Page 48

post #706 of 3292
Quote:
Originally Posted by R Scott Ireland View Post
 

The Teslas are marked "32".

 

Not sure about the Valvos.  Will have to inspect them later when I get home and report back.

 

Good to know that the Hamburg Valvos sound good. I will look into getting a pair.

 

And I wonder if anyone has compared the 32 and 37 Teslas. Evidently, they were made in different factories, so it is very possible that they also sound different....

post #707 of 3292
Quote:
Originally Posted by gibosi View Post
 

 

Good to know that the Hamburg Valvos sound good. I will look into getting a pair.

 

And I wonder if anyone has compared the 32 and 37 Teslas. Evidently, they were made in different factories, so it is very possible that they also sound different....

 

I'd be interested in that comparison as well.  I'm sitting on a set of 32s....and I prefer my OTKs over them.

post #708 of 3292

Well, as luck would have it, I spotted a pair of what looked like Cca 1960s (grey shield) testing good, for 170€. However, after confirming the purchase (I admit, it was a slightly hurried affair), I spotted that perhaps one of them has no ridges on the top and also has a slightly shorter glass "nob" (seemingly a Siemens trademark), so not sure if I have been snooped or not. Hard to tell from the photo, but seller had good feedback, so let's see. 

post #709 of 3292
Quote:
Originally Posted by MajorError View Post
 

 

I'd be interested in that comparison as well.  I'm sitting on a set of 32s....and I prefer my OTKs over them.

 

OTKs? Are these Russian 6N23Ps? or something else?

 

Edit: Oh, I just noticed your signature: OTK 6H23n-EB.

 

So, does anyone have both the Tesla 32s and the 37s and willing to comment? 


Edited by gibosi - 11/6/13 at 5:23pm
post #710 of 3292
Quote:
Originally Posted by R Scott Ireland View Post


For the HD800, the best I've heard (again, my ears, my preferences, classical music only) - Siemens & Halske 6922 CCa Grey Plates and Amperex 6922 Pinched Waists. To my ears, these are the pinnacle, 10/10 in my personal ratings, but good luck finding them and kiss your wallet goodbye if you do find them.

 

 

  I may not have  many tube  rolling experience but the first tube i have for lyr is cca pre 1965 ( not the 1958 ish)

  Powering the hd800(  dhc complement fusion cable ) with those tubes  gives me  music that  touches my heart thus

  i dont find it necessary to change to my other tubes which are nos cca post 1965 & e88cc mullard michum or amperex e88cc SQ.

  i am not that much into classical but i like to hear good voices like celine dion, adele , britney, christina aguilera and yanni concert.

  what important to me is the music must have emotion & be able to connect to me regardless it coming from voices or music instruments.

post #711 of 3292
Quote:
Originally Posted by Nic Rhodes View Post
 

I bought another pair of NOS CCas at the weekend. £100 ($150us), also on ebay. They might not be as old as these but....OUCH.


  my cca post 1965 cost me ~ usd 400. you must be lucky to nos cca tube at that price

post #712 of 3292
Quote:
Originally Posted by kamalz View Post
 


  my cca post 1965 cost me ~ usd 400. you must be lucky to nos cca tube at that price


bought three pairs in the last month or so...they are around.

post #713 of 3292

I have an Amperex Orange Globe that will periodically become "noisy." I have removed the tube savers with no effect. Would it be worth it to try some dampers? Anything else that might help me?

 

thanks...

post #714 of 3292
Quote:
Originally Posted by MattTCG View Post
 

I have an Amperex Orange Globe that will periodically become "noisy." I have removed the tube savers with no effect. Would it be worth it to try some dampers? Anything else that might help me?

 

thanks...


both pair  my orange globes do the same thing, not there all the time, or maybe just gets noisier from time to time

and i haven't spent a lot of time isolating the noise, but in both pairs, it seems to be more one tube than the other

so i may make a pair of the quiter tubes of each pair, and see how that sounds

 

its a whooshing, hasshie sound

post #715 of 3292
Quote:
Originally Posted by jaywillin View Post


both pair  my orange globes do the same thing, not there all the time, or maybe just gets noisier from time to time
and i haven't spent a lot of time isolating the noise, but in both pairs, it seems to be more one tube than the other
so i may make a pair of the quiter tubes of each pair, and see how that sounds

its a whooshing, hasshie sound
I had the same issue with the OGs, this is common in some versions of the 6922 type tubes, as is microphonics (a different issue). It's commonly refered to as 'tube rush', and dampeners won't help, they're mainly for microphonics. Tube rush is worse IMO, in that it masks the low level details that make headphone listening so fun. It also effects the sound stage depth, and that holographic effect - another really fun part of the headphone experience.
post #716 of 3292

I bought a pair of OGs from the man on ebay - first impressions were insanely buzzing and scratchy noisy... I was even getting ready to send them back. But switched tubes, waited 5 mins, returned for a second listen and all noise was gone. Amazing night/day/burn-in experience for me.

 

Also have a pair of Siemens e88cc silver plates from late 60s and they were my least favourite of all my tubes, but after about 10 hours, they sound amazing; bass tightened up, mids really clean and a lovely detailed top-end. Gone from dull to just lovely... 

 

A tube burn-in convert

post #717 of 3292
Quote:
Originally Posted by dgriffter View Post

I bought a pair of OGs from the man on ebay - first impressions were insanely buzzing and scratchy noisy... I was even getting ready to send them back. But switched tubes, waited 5 mins, returned for a second listen and all noise was gone. Amazing night/day/burn-in experience for me.

Also have a pair of Siemens e88cc silver plates from late 60s and they were my least favourite of all my tubes, but after about 10 hours, they sound amazing; bass tightened up, mids really clean and a lovely detailed top-end. Gone from dull to just lovely... 

A tube burn-in convert
Most tubes need 50-100 hours of burn in to sound best. Some more. It's usually a case of a closed in sound that 'opens up'. But in 15yrs of daily tube use I never had a noisy tube cure itself, if it's truly a noisy tube. Sometimes it's just dirty pins. I treat every tube with DetoxProGold contact enhancer to be sure of good pin contact.
Edited by rb2013 - 11/10/13 at 7:52pm
post #718 of 3292
Quote:
Originally Posted by rb2013 View Post


Most tubes need 50-100 hours of burn in to sound best. Some more. It's usually a case of a closed in sound that 'opens up'. But in 15yrs of daily tube use I never had a noisy tube cure itself, if it's truly a noisy tube. Sometimes it's just dirty pins. I treat every tube with DetoxProGold contact enhancer to be sure of good pin contact.

Thanks for that; sounds like a good explanation - maybe I should try using some of that with new (old) tubes. Also, your description of the sound opening up rings very true... 

 

Maybe with your experience, you can offer an opinion here; I bought a pair of Telefunken E88CCs from a head-fier a little over a month ago and to my dismay, they exhibit a constant loud hum (same sort of sound you might get if you touch the end of an 1/8th jack or rcas connected to speakers), which is simply too loud to enjoy listening with. I have tried switching tubes, letting them play, but it is still the same. I guess there is no chance that will clear up? Problem not really helped by the fact that I cannot get in touch with they seller in over 5 weeks now, but that is another story. 


Edited by dgriffter - 11/11/13 at 12:18am
post #719 of 3292
Quote:
Originally Posted by dgriffter View Post

Thanks for that; sounds like a good explanation - maybe I should try using some of that with new (old) tubes. Also, your description of the sound opening up rings very true... 

Maybe with your experience, you can offer an opinion here; I bought a pair of Telefunken E88CCs from a head-fier a little over a month ago and to my dismay, they exhibit a constant loud hum (same sort of sound you might get if you touch the end of an 1/8th jack or rcas connected to speakers), which is simply too loud to enjoy listening with. I have tried switching tubes, letting them play, but it is still the same. I guess there is no chance that will clear up? Problem not really helped by the fact that I cannot get in touch with they seller in over 5 weeks now, but that is another story. 
Well a loud hum indicates a more serious problem - and a possible short. I would not use the tube until I had it reliably tested. There could also be an internal wire to pin connection problem. Is it in only one channel? Does it move with swapping the right and left tube?
post #720 of 3292

my german made rca 6dj8's got here today, so far, pretty damn good !

New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Headphone Amps (full-size)
Head-Fi.org › Forums › Equipment Forums › Headphone Amps (full-size) › Schiit Lyr Tube Rollers