Re: Russian tubes (unavailable)

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FWIW I sent a message to Western Electric offering to give them an exhaustive list of tubes that will make them rich if they can conjure them, no word in reply yet. Some microphone tubes are going for mid-four figures, unrelated to the Russian deal, just because none have been made in like 60 years and all the working ones are in microphones already. Whatever they're selling 300Bs for, if they can make usable VF14 or AC701k tubes they could likely add a zero.

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Dr Tony Balls wrote: Sat Mar 19, 2022 10:30 am https://www.westernelectric.com/expand

Re: Russian tubes (unavailable)

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steve wrote: Mon Mar 21, 2022 1:13 pm FWIW I sent a message to Western Electric offering to give them an exhaustive list of tubes that will make them rich if they can conjure them, no word in reply yet. Some microphone tubes are going for mid-four figures, unrelated to the Russian deal, just because none have been made in like 60 years and all the working ones are in microphones already. Whatever they're selling 300Bs for, if they can make usable VF14 or AC701k tubes they could likely add a zero.

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Dr Tony Balls wrote: Sat Mar 19, 2022 10:30 am https://www.westernelectric.com/expand
Interesting reading about the VF14M from a company making what I'm guessing is a solid state replacement: http://www.phaedrus-audio.com/VF14M_story.htm

And whatever company-that-bought-the-Telefunken-name makes (or made - or maybe "found" is the right word in this case) the VF14K - they're showing in stock still at Tube Depot but are showing out-of-stock everywhere else. Not finding a ton of info about them but the listing on tube depot is a little eyebrow-raising after reading the Phaedrus page.

After reading that Aspen Pittman interview up thread, I still wonder if there would be enough demand even at the exponentially higher price if WE were able to get this rolling?

Re: Russian tubes (unavailable)

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All of the VF14 replacements, the solid state ones and the alternate tubes kulged into place are awful. Neumann made a replacement kit that used a nuvistor and it was awful. We had a SS replacement in our U48 for a while just to keep it in use, and I've tried other conversions that use different tubes. You can get sound out of the microphone but it's not good sound. You can design a mic around a different tube and it can be good, but if you have a U47/U48 without a VF14 in it, it's doomed to being a shadow of the mic it could be. We kinda lucked into a deal where we traded some equipment for a VF14, and while the nominal dollar cost was still high, we were better able to afford losing the gear than the cash. The difference when we swapped a real VF14 back into our U48 was shocking.

Re: Russian tubes (unavailable)

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twelvepoint wrote: Wed Mar 23, 2022 8:11 am Must be an interesting experience to have a very special piece of gear that's ultimately doomed. I guess it's just a mic, and we're all doomed anyway, but still.
Another way to look at it is I wonder if some of the amps I want to get rid of will be more valuable due to the tubes in them vs what they would normally fetch (VT-22, Fender Deville). Hell, someone buy the tubes and I'll keep them as speaker cabs for my Quilters..
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Re: Russian tubes (unavailable)

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I know I've said this before & also recognize this is kinda the whole middle-age dad yelling "they can put a man on the moon but they can't bla bla bla bla bla" while his family ignores him kind of reaction...but it really does seem crazy to me that with the available mfg tech we have & a very well-known high-demand for many specific vacuum tubes that these can't be properly fulfilled - especially considering the well-documented profit incentive...just...why....

I mean there's a whole bunch of wonderful roll-your-own nerds already doing this (admittedly to a much lesser extent in their garages and workshops but still proves it can be done). Seems like Neumann or competitor would have a HUGE incentive to spin this back up & could even start making the U47/U48 to original spec and sail off to the north pole on that cash barge.

One hand, agree it's a shame the functionality of these classic mics will be eventually lost forever but it's not like there's a shortage of really amazing sounding mics available I guess.

Re: Russian tubes (unavailable)

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Garth wrote: Wed Mar 23, 2022 9:04 am I know I've said this before & also recognize this is kinda the whole middle-age dad yelling "they can put a man on the moon but they can't bla bla bla bla bla" while his family ignores him kind of reaction...but it really does seem crazy to me that with the available mfg tech we have & a very well-known high-demand for many specific vacuum tubes that these can't be properly fulfilled - especially considering the well-documented profit incentive...just...why....

I mean there's a whole bunch of wonderful roll-your-own nerds already doing this (admittedly to a much lesser extent in their garages and workshops but still proves it can be done). Seems like Neumann or competitor would have a HUGE incentive to spin this back up & could even start making the U47/U48 to original spec and sail off to the north pole on that cash barge.

One hand, agree it's a shame the functionality of these classic mics will be eventually lost forever but it's not like there's a shortage of really amazing sounding mics available I guess.

In the case of tube production a lot of that is tooling. A 6L6GC could easily be made in the US but if there arent mothballed plants available in which to do such a thing, then you've got a lot of cost sunk into tooling up a new plant for that.
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Re: Russian tubes (unavailable)

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Dr Tony Balls wrote: Wed Mar 23, 2022 9:37 am In the case of tube production a lot of that is tooling. A 6L6GC could easily be made in the US but if there arent mothballed plants available in which to do such a thing, then you've got a lot of cost sunk into tooling up a new plant for that.
Sure but I think in the case of what I'm proposing for those high-cost, low-numbers tubes would be a lot less like an assembly line and a lot more like extremely-limited-run prototypes. Like 12AX7 or 6L6? Sure. Probably one million amps out there using these tubes.

But we know that there were ever only < 7000 U47s/U48s ever made & by now the number existing & functioning is certainly even smaller. With things like 3d printing I would think the world should be close to having what would be needed for a small place to be able to create a few and go? Like if they were able to create 1000/year and sell at $1000 each...that just became a million dollar business.

Anyway, I hope for the audio world that Western Electric or someone takes up this call. I'm not a person who is profit-driven but businesses are and as Steve stated, money is being left on the table for someone who can figure this out.

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