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Schiit Lyr - The tube rolling thread
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Mar 17, 2013 at 6:32 AM Post #5,896 of 8,735
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hk_sends said:
On occasion...
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Still recovering but up for a sporadic comment or two...
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Cheers!
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-HK sends
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Look who's talkin'! 
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Glad you're well on your way to recovery. Before we know it, you'll be back to your ole snarky ways. 
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Mar 17, 2013 at 11:35 AM Post #5,897 of 8,735
Quote:
toschek said:
The Telefunken tubes are phenomenally detailed and spacious. Probably the most balanced and neutral of all the tubes I have for the Lyr too. They are really spendy though. I haven't heard Siemens Gray Shield CCa tubes, but I'm told they are pretty close only maybe a notch more forward.

They don't just sound good with HD800s, they mate with them. If you like what the Lorenz do for detail with your headphones, then you'd love the 6922s. But for like 10x more $ you'd better.
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10x better sounding tho? Likely not. :)
 
Mar 18, 2013 at 12:35 AM Post #5,899 of 8,735
Quote:
mark-sf said:
Hey guys, I just got a used Lyr that I am going to be comparing with the Asgaard 2 when it arrives in a month. It came with a number of tubes including Lorenz, Mullard and Amperex White Label along with the stock JJ's. I am using it with HD700's and all are giving me a low level hum when the volume is turned down. The quietest are the JJ's. BTW this is definitely not environmentally induced as it occurs without a source input and with or without the third pin. My question is - do any of you have recommendations for particularly low noise ones?

I really enjoy the sound otherwise but am concerned that this may be a design limitation given the efficiency of my 700's. I have exchanged emails with Jason, and he states that the tubes are after the volume control and that he would expect to hear differences in hum level. He also mentioned that the JJ's are some of the quietest tubes though lack other qualities.
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Ground loop?  All components plugged into the same power strip?
 
Mar 18, 2013 at 1:55 AM Post #5,900 of 8,735
Have you tried with different outlets?  I had a hum on one set of outlets (on the same power strip even) but it went away on a different set.
 
Mar 18, 2013 at 10:41 AM Post #5,901 of 8,735
toschek said:
Have you tried with different outlets?  I had a hum on one set of outlets (on the same power strip even) but it went away on a different set.
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I have tried and this is not that type of hum. I believe it is either a filament or internally induced one. It is in the 1-3mv range depending on tube.
 
Mar 18, 2013 at 1:46 PM Post #5,903 of 8,735
eddiek997 said:
Are you using socket savers? If so, remove them and go direct.
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No socket savers either. I may be asking for too much. The stock JJ's are acceptably quiet that is I have to be listening for it. However while they have a very clean and clear presentation with a wide separation I am not hearing the depth and soundstage I hear with the Lorenz. Since the hum level varies based upon tube pair which I have confirmed with my scope, it would appear to be a function of tube sensitivity or gain. Thus my hope that there is a quality alternative out there.
 
Mar 19, 2013 at 7:07 AM Post #5,904 of 8,735
I have absolutely no hum with my Amperex USN-CEPs, but they are a lot more expensive that the SEL Lorenzes or the JJs.
 
Have you any 6BZ7s?  They're really good bargain tubes also.
 
Mar 19, 2013 at 11:37 AM Post #5,905 of 8,735
Quote:
joong said:
Hi guys,
 
Could you tell me that PCC88 7DJ8 NOS LORENZ SEL TUBES are good choice for HE-5LEs or 400s?
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Got my SEL Lorenz's today, and i can confirm they are an absolutely perfect match for the HE5-LE.
 
They seem pretty neutral, but are very detailed, everything from bass-mids-treble sounds better.
 
Treble is the biggest improvement, sounds a lot smoother, not so bright, everything is so... balanced.
 
Bass has punch, Mids are rich.
 
This is my new favourite tube, and not even burned in yet! (not that i believe in burn-in, but each to their own.)
 
I must point out that my HE5-LE's are not completely stock, i removed the felt discs and the cable is some sort of unknown silver cable.
 
Mar 19, 2013 at 2:41 PM Post #5,907 of 8,735
They were on ebay for about £35 a pair, that particular seller has sold out now though.
 
If you want to be ripped off, there is an american seller selling a pair for about $150
http://www.ebay.co.uk/itm/NOS-LORENZ-BWB-PCC88-TUBE-MATCHED-PAIR-for-6DJ8-6922-E88CC-MILITARY-ISSUED-/290848900203?pt=Vintage_Electronics_R2&hash=item43b7f2046b
 
Mar 19, 2013 at 4:31 PM Post #5,909 of 8,735
Quote:
ilikepooters said:
They were on ebay for about £35 a pair, that particular seller has sold out now though.
 
If you want to be ripped off, there is an american seller selling a pair for about $150
http://www.ebay.co.uk/itm/NOS-LORENZ-BWB-PCC88-TUBE-MATCHED-PAIR-for-6DJ8-6922-E88CC-MILITARY-ISSUED-/290848900203?pt=Vintage_Electronics_R2&hash=item43b7f2046b
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Ah, the infamous Tube 'Meu$eum'. 
 
Mar 19, 2013 at 4:32 PM Post #5,910 of 8,735
Quote:
ilikepooters said:
They were on ebay for about £35 a pair, that particular seller has sold out now though.
 
If you want to be ripped off, there is an american seller selling a pair for about $150
http://www.ebay.co.uk/itm/NOS-LORENZ-BWB-PCC88-TUBE-MATCHED-PAIR-for-6DJ8-6922-E88CC-MILITARY-ISSUED-/290848900203?pt=Vintage_Electronics_R2&hash=item43b7f2046b
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If you couldn't get them for anythign but $150, would you pay that? 
 
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