(2) TungSol JTL5829WA Subminiature Vacuum Tubes, NOS NIB Package Date 557 USA eBay
Subminiature tubes are miniaturized versions of vacuum tubes. They were made in a very compact glass tube, had flexible leads instead of pins, and consumed much less power. Subminiature tubes were widely used in small amplifiers, portable radios and hearing aids.
6112 Dual Triode. Subminiature Tube. A vacuum radio tube by Sylvania, U.S.A. 19028
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JAN 5678 Subminiature Pentode. A vacuum tube by Telefunken 18565
In Stock New-Old-Stock (NOS) tube. The 6021 is a subminiature medium-mu twin triode for use in general purpose amplifier applications. Each section has an individual cathode and is electrically independent.
Vacuum Tube JAN6088 Raytheon SubMiniature Power Amplifier The DHTS Store
What are Sub-Miniature Tubes? Sub-miniature tubes, also referred to as pencil tubes or hearing-aid tubes, are among the last generation of vacuum tubes designed and built. They're typically very small, and instead of being socketed they have flexible leads like passive components.
subminiaturevacuumtubes Secure Green Enterprises LLC
Subminiature Vacuum Tubes Of course the Frog Tube Preamp PCB can be configured with standard 12Ax7 styled preamp tubes, but it is perfect for Russian subminiature vacuum tubes. The PCB is designed specifically for Russian submini tubes. Both the 6n16b and 6n17b tubes can be used.
1Ж24Б Soviet subminiature vacuum tube from 1965 These tu… Flickr
Subminature Tubes The first sub-miniature tube WE 215A around 1920 (front row) Miniaturization of parts started back in the early years of vacuum tube development as AT and T wanted to make.
Sylvania USA SD828A Silver Plate Top Get Subminiature Vacuum Tube VIVA TUBES
Large Radio Vacuum Tube List and "G" Style Radio Vacuum Tube List for more audio and rectifier tubes.. clip-on shield for round subminiature tube 0.875 inches long: 2 : shield: $1.00-----used (L) clip-on shield for round subminiature tube 1.25 inches long: Notes:
Philips JAN 5902 Subminiature Vacuum Tube Etsy
The Subminiature Vacuum Tube: The Cycle of Technology is a short documentary of the history of the subminiature vacuum tube. This 16 minute film was produced.
But being as this is a 7550 dual triode, the most powerful subminiature tube in the world
RCA-6021 is a subminature medium mu twin triode of the heated cathode type having flexible leads. It is intended for is use in oscillator and amplifier at frequencies up to 400 Mc (that's 400MHz in today's money and overkill for audio applications).
Raytheon 5678 Subminiature Vacuum Tube From September 1952 Etsy
THE employment of subminiature vacuum tubes in packaged assemblies is well known in hearing aids, proximity fuses,' and small radios.2 3 The use of the indirectly heated types in functional sub-assemblies was begun as part of a program to decrease the weight and to in-FIG. 1. Packaged amplifiers using subminiature tubes.
Raytheon 6247 Subminiature Vacuum Tube CK6247 Etsy Hong Kong
New-Old-Stock (NOS) tube. The 6111 is a subminiature medium-mu twin triode for use in general purpose amplifier applications. Each section has an individual cathode and is electrically independent. The tube may also be used as a combined oscillator and mixer in high-frequency circuits.
Russian Subminiature Tubes
Post subject: Portable Subminiature Vacuum Tube Receiver Project. Posted: Apr Tue 14, 2020 7:42 pm. Member. Joined: Nov Thu 04, 2010 4:49 am. Posts: 695. Location: Albany, NY. When I was in my early teens (I'm 31 years of age now) I used to spend quite a bit of time perusing through websites that would have PDF copies of various electronics.
Vintage 1953 U.S. Army Subminiature Vacuum Tube 5851 TungSol 317 eBay
than most subminiature vacuum tubes. The amplifier itself can be no larger than its associated coupling components The TRANSISTOR A Crystal Triode Germanium crystal with two cat -whisker contacts has characteristics of grounded -grid triode amplifier, provides 20 db gain, 25 milliwatts output at frequencies up to 10 mega- cycles.
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Subminiature Vacuum Tubes
These subminiature tubes are a little underappreciated in the world of audiophililia and DIY electronics. That's a bit of a shame; these tubes are the most technologically advanced.
Vintage 1953 U.S. Army Subminiature Vacuum Tube 5851 TungSol 317 eBay
Subminiature assemblies can be divided into two general categories, those that operate at moderate temperatures and those that operate at higher temperatures, up to 200°C. Assembly techniques include printed circuits, piece components, and plastic embedment.
6397 SP Subminiature RF Power Pentode. A vacuum tube by Telefunken 18573
Category:Subminiature tubes - Wikimedia Commons Help Category:Subminiature tubes From Wikimedia Commons, the free media repository Subcategories This category has the following 10 subcategories, out of 10 total. 1 1Zh29B (4 F) 6 6N16B (6 F) 6N18B (4 F) 6Zh1B (2 F) 6Zh2B (8 F) C CK512AX (4 F) CK533AX (4 F) CK534AX (1 F)