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I am actually burning mine in right now on my LP (about 43hrs in) they are good tubes!
Got 200hrs on my 62 smooth plate ECC82, I rate these higher than the 57 Valvo side O getter Hamburg.
Guys, I hear what Bill hears with the ECC801S. I trust his ears, he hasn’t steered me wrong yet. Those tubes are the best I have heard to date.
My backup pair of Tellie 801S have also shipped from India. I hope whoever bought pair#19 just before I did, enjoys them
Thanks for the heads up, really curious about these tubes!,
Lol wasn’t me I got pair #8
I'll let you know on that, early bird gets the worm!
@billerb1 I am curious if I hear what you do with these and it’s a pair I have been wanting to try.[/QUOTE]
What I hear is incredibly liquid, enveloping and with sense of realism I haven't heard before on headphones. Other than that they suck.
This listing is back with the poor "printing" diamond on 1 tube. Whatever that means.
If it's a D or square getter I'll take it. Those always sound better than round getters.
I've had Tele's before where the ridges of the diamond are very faint. Probably just variability in the molding process and not a show-stopper in and of itself.
Ya, pair #19 had one of the highest or highest Gm ratings.
But what about the “Ia” measurements listed? I’m presuming that is gain , but not sure. Just not noted as “mu”
Frustrated, I’ve done several searches to find exactly what the “Ia”means, can’t find any confirmation.
Anyone know for sure?
la is emissions, mu is gain. Pair 19 was the tightest matching in Gm and high testing. Not critical as I have seen some wacky testing pairs that sounded fine. But when pairs are like that, grab em.
ia is plate current.
This might help:
Have not used the 6201 Valvo Hamburg PW 59's in several months, forgot how engaging they are. What an excellent tube. Have them in until those Telefunken ECC801S come in this week, think I am going to really like those. Anybody have any GEC 2900A's for sale? Doubtful but had to ask.
Here's one for $80 with free shipping. Is that a good price?
Isn't that the 1 that tests minimum?