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lowrider57

Responses from lowrider57

Cable curmudgeon
You're right to be judging sonic qualities by listening to acoustic music. Large-scale classical, chamber, quartets, jazz can present proper tonal qualities, dynamics, and nuances not found in electric or amplified music. I listen to mainly classi... 
Best 12AU7 tube for PS Audio Monos
There are so many different directions you can go in terms of sonics.  Brent Jessee is a NOS dealer with an excellent guide describing the different types of 12AU7s and their sonic signature. http://www.audiotubes.com/12au7.htm  
Linlai E 6sn7 tubes
You should ask the dealer if noise testing is available. Upscale and VTS include it with every matched pair. Brent Jesse and others charge $10 per pair.  
Linlai E 6sn7 tubes
I say plug the pre into it's own separate circuit.   
Linlai E 6sn7 tubes
I know Don buys his tubes in bulk from an authorised dealer in China. Re: Viva Tubes, all I'm saying is that they've become a dealer recently. Maybe contact Linlai and ask if there are legit dealers in the US. The only one I know of is Grant Fide... 
Linlai E 6sn7 tubes
Maybe move the preamp to a different location, change all cables in and out of the preamp, try plugging into a different circuit. It's possible a circuit is picking up RFI or EMI.  
Linlai E 6sn7 tubes
Nice @danmar123 . But very strange.  
Linlai E 6sn7 tubes
I never experienced lack of low-end with these Linlai's. Right out of the box, I was surprised by how deep the bass was. It didn't take long to hear a realistic kick drum and jazz bassline.   I want to add regarding dealers, maybe Don Sachs shou... 
Linlai E 6sn7 tubes
@bugredmachine  Your tubes are defective, no new tube should produce the noise you're experiencing. Give up on them and return. This info hasn't been updated but it states who aren't authorised dealers. https://linlaiglobal.com/index.php/dealer... 
On or off
If you’re using the 2-channel Rotel every day, leave it powered up as well as the Torus. It’s a high power amp with two toroidal transformers and I doubt that it will be warmed up for optimal listening in 15 min. My 300 wpc high current amp took u... 
New Transformer
We had new transformers installed on my rowhome filled street. I can't say for sure if I noticed a difference in the noise floor, there were still ways for other means to contaminate the mains. But we now had rock steady line voltage and no more p... 
Linlai E 6sn7 tubes
Good stuff @invalid  👍. CV181, as in a Mullard UK?  
Linlai E 6sn7 tubes
Audio Circle: NOTE: The Bendix 5852 is not a drop in replacement for a standard 6X5GT as it draws 1.2 amps versus .6 amps.  
Linlai E 6sn7 tubes
@invalid , if that's off the top of your head, that's awesome. I was going to look it up. You are correct or very close to it. Bendix is not a drop-in replacement as dealers are saying. I forget where I saw the thread about Bendix. I'm lucky I did... 
Linlai E 6sn7 tubes
@bugredmachine  What component had the Bendix? FYI, Audio Note issued a warning that Bendix rectifiers draw higher current than the recommended  or stock type. "The Bendix 5852 is direct a drop in replacement for any 6X5 tube type." This is fal...