These appear to be early builds with metal plates. And "mechanical sample" suggests that they might have been among the very first ones made. Perhaps interesting to a collector, but $670 is way too rich for my wallet.
These appear to be early builds with metal plates. And "mechanical sample" suggests that they might have been among the very first ones made. Perhaps interesting to a collector, but $670 is way too rich for my wallet.
That is not the sale I was referring too. The sale I was referring to had 5 or was it 4 used tubes that looked good and we’re definitely slotted graphite, and the price for all of them was cheaper than the one tube you found. I guess they had already sold when you were searching. I hope they went to someone from this forum?
That is not the sale I was referring too. The sale I was referring to had 5 or was it 4 used tubes that looked good and we’re definitely slotted graphite, and the price for all of them was cheaper than the one tube you found. I guess they had already sold when you were searching. I hope they went to someone from this forum?
Here's another....6 hours to go (as of 9:20 AM eastern standard time 1/15/21) and current bid at $36 for 3 of them. They are graphite plates, but not the slotted version. I know nothing about the seller, so take this strictly FWIW. One of the tubes has a scratch in the glass and the seller says something is rattling in the other two. Could be nothing (an extraneous piece of loose glass, or could be significant, like a piece of broken mica or even internal structural failure/damage). At least the seller is being upfront about the condition...
Here's one more, again FWIW as I know nothing about the seller. This actually looks like a very nice deal. These are not graphite plates (and not as good to my ears), but they are the "good" sounding Tung Sol 6080 steel plates with the triple micas, metal mica supports, and the silver edge at the bottom of the plates. $48 for 3 with free shipping is a nice price. If I didn't already have several...
Here's another....6 hours to go (as of 9:20 AM eastern standard time 1/15/21) and current bid at $36 for 3 of them. They are graphite plates, but not the slotted version. I know nothing about the seller, so take this strictly FWIW. One of the tubes has a scratch in the glass and the seller says something is rattling in the other two. Could be nothing (an extraneous piece of loose glass, or could be significant, like a piece of broken mica or even internal structural failure/damage). At least the seller is being upfront about the condition...
For what it’s worth.. I wrote him days ago and asked some questions. He never responded. I wanted to confirm what his min testing number was. I’m assuming 36 based on the tester used. It looks like a crack and I’d consider that tube to have a death sentence. I’d try to glue the crack and do whatever to secure it before use.
I was winning that auction with a $75 bid and only 90 minutes or so until it finished. I thought I would win. Guess I underestimated the desire for these tubes...
I have been enjoying the Melz 1578 perforated anode tubes with 6080 since they have arrived a week ago. Now I understand the attraction towards these Russian tubes.
Imagine my surprise (not) when I saw that the prices of the Melz 1578 have gone up considerably within two months!
Anyone have any input on the Svetlana 6N13S? I've been communicating with a seller on eBay tubes_old70 and have purchased several pairs of 6N3P driver tubes with good results from him.
He has a couple 6N13S he says measure very good, one from 1966 twin/balanced and one from 1992 twin/balanced. My favorite 6080 so far is my CEI and I tried getting a couple spares but one is buzzy and the other hums a slight amount from one channel. It stinks that some power tubes I buy are silent while others are noisy. My amp is essentially new.
Anyone have any input on the Svetlana 6N13S? I've been communicating with a seller on eBay tubes_old70 and have purchased several pairs of 6N3P driver tubes with good results from him.
He has a couple 6N13S he says measure very good, one from 1966 twin/balanced and one from 1992 twin/balanced. My favorite 6080 so far is my CEI and I tried getting a couple spares but one is buzzy and the other hums a slight amount from one channel. It stinks that some power tubes I buy are silent while others are noisy. My amp is essentially new.
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