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108.26.29.50
Thought some folks here may find this of interest since I have not seen any mention of this here (did a quick forum search on NuTube to no avail). Pretty interesting...
"As with previous vacuum tubes, this newly-developed Nutube is structured with an anode, grid, and filament, and operates as a complete triode tube, generating the same rich harmonics that are distinctive of conventional vacuum tubes. By applying technology from Noritake Co., Limited's vacuum fluorescent displays, the structure of the vacuum tube has been modified, dramatically reducing its size and allowing it to consume less power. Production is carried out at the cutting-edge Japanese production facility of Noritake Itron, a subsidiary of Noritake Co., Limited., significantly raising the product quality in comparison to previous vacuum tubes by boasting the following features:" . . .
Have not been able to find much more info than what is mentioned in the press release (see link). Would sure be interesting to see what the tech data and curves for this look like.
Happy Listening,
Rich Brkich
Retailer & Audio Asylum Industry Liaison
Follow Ups:
I would like to find this miniature tube used in portable electronics to compliment those expensive headphones for an overall better sound.
This would make tube use more mainstream and perhaps increase awareness of tubes for superior sound. That may be helpful for the small 'ma & pa' shops that produce tube gear.
Is this a variant of nuvistor?
Jeremy
see for example
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4180380
I don't think it will matter until there's a datasheet.
And my next car stereo, TV, computer soundcard, etc.
Hopefully at least one of the mass manufacturers employs it in one of their products.
I see a lot of possibility in this little device!
Cory
DrLowMu posted it
DanL
Teledyne Fetrons were just high voltage jets in a tube package, no? Not a vacuum tube at all. Moreover, they had more like pentode curves not triode curves.
I have nothing against solid state devices. I do have an issue against misleading information of this type. FETs only work really well as direct substitutes for the cathode follower or a very clean no-gain/no-breakup buffer stage. They just don't sound right when you drive them into breakup as the harmonics generated are all wrong. I wouldn't mind getting my hands on some of these Korg Nutubes to try out. I'm wondering if they're based on the vacuum-channel transistor that NASA has been working on: http://www.extremetech.com/extreme/185027-the-vacuum-tube-strikes-back-nasas-tiny-460ghz-vacuum-transistor-that-could-one-day-replace-silicon-fets
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
IIRC, the Fetron was a jfet circuit packaged to replace 6AK5 pentodes, which were extremely common in military and communications circuits.
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