
( Brand: Rca ), ( Manufacturer Part Number: VT-17 ), ( Model: 860 VT-17 ), ( Part Type: Tube Screen ), ( Unit Type: Unit ), ( Country/region Of Manufacture: United States )
The RCA VT-17 NOS Sylvania 860 Transmitting Tube Triode with Screen Mesh and Filament is a vintage electronic component that harks back to the golden era of radio and television technology. This tube, manufactured by Sylvania, a renowned name in the electronics industry, is a testament to the craftsmanship and engineering prowess of the past.
The RCA VT-17 NOS Sylvania 860 is a triode tube, which means it contains three electrodes: a cathode, an anode, and a control grid. The triode design allows for amplification of signals, making it an essential component in early radio and television transmitters. The tube is labeled as RCA VT-17, indicating its original use in RCA Victor's broadcasting equipment.
The tube features a screen mesh, a fine wire mesh that acts as a barrier between the high voltage anode and the low voltage control grid. The screen mesh protects the grid from the high voltage by allowing only the electrons that pass through the control grid to reach the anode, thus preventing arcing and ensuring the tube's longevity.
The tube also has a filament, a heated coil that emits electrons. The filament is made of a material such as tungsten and is typically heated to a high temperature to create a stream of electrons, which then flow through the control grid and onto the anode, amplifying the input signal.
The RCA VT-17 NOS Sylvania 860 Transmitting Tube Triode with Screen Mesh and Filament is a New Old Stock (NOS) item, meaning it is a brand new tube that has been stored in a warehouse or collector's possession since its manufacture date. This tube is in its original packaging and has not been used or tested, ensuring its preservation and reliability.
In conclusion, the RCA VT-17 NOS Sylvania 860 Transmitting Tube Triode with Screen Mesh and Filament is a valuable and fascinating piece of electronic history. It is a testament to the ingenuity of the past and a reminder of the foundational role that vacuum tubes played in the development of radio and television technology. Whether you're a collector, a hobbyist, or an electronic enthusiast, this tube is a must-have addition to your collection.
Pros of buying a RCA VT-17 NOS Sylvania 860 transmitting tube triode screen mesh filament VTG:1. High-quality vintage component: The RCA VT-17 is a vintage tube that has been manufactured by Sylvania, a reputable brand known for producing high-quality tubes.
2. Longer lifespan: NOS (New Old Stock) tubes are tubes that have been manufactured in the past but have been stored properly, ensuring that they have a longer lifespan compared to new tubes.
3. Authentic sound: Tube amplifiers and radios produce a unique, warm sound that is different from that of solid-state components.
4. Collectible value: Vintage tubes, especially RCA and Sylvania, have collectible value, which can increase their price over time.
Cons of buying a RCA VT-17 NOS Sylvania 860 transmitting tube triode screen mesh filament VTG:1. Limited availability: Vintage tubes are not as readily available as new tubes, making them more expensive and harder to find.
2. Higher price: Vintage tubes, especially NOS tubes, are often more expensive than new tubes due to their rarity and collectible value.
3. Requires maintenance: Vintage tubes require more maintenance than new tubes, including proper storage, regular cleaning, and replacement of components such as filaments and anodes.
4. Limited compatibility: Vintage tubes may not be compatible with newer equipment, requiring the use of adapter plates or requiring the purchase of older equipment.
Conclusion: The RCA VT-17 NOS Sylvania 860 transmitting tube triode screen mesh filament VTG is a high-quality vintage component that offers a unique sound and potential collectible value. However, it is more expensive and requires more maintenance than new tubes. If you are looking for a vintage tube with a warm sound and collectible value, the RCA VT-17 is a worthwhile investment. However, if you are looking for a more affordable and low-maintenance option, you may want to consider a new tube.
Recommendation: If you are looking for a vintage tube with a warm sound and potential collectible value, the RCA VT-17 NOS Sylvania 860 transmitting tube triode screen mesh filament VTG is a good option. However, be prepared to pay a higher price and to put in more maintenance than you would with a new tube. I would recommend this tube to audio enthusiasts, vintage collectors, and those looking for a unique sound in their tube amplifier or radio.
2 RARE NOS Sylvania 860 TRIODE Transmitting Tube VT-17 Screen Mesh Filament VT. ONE MARKED SLYVANIA ON GLASS IN BLACK LETTERS WITH GREEN TAG and aluminum base marked 860. CAME FROM A LARGE COLLECTION OF NOS BOXED and some unboxed MILITARY TUBES large selection of foreign tubes. ONE MARKED ON GLASS ANODYNE And dated 9/23/35 with some letters and numbers porcelain base.
Based on the 860s which were from same large box marked NOS I'm guessing these are AS WELL SEE ALL PICTURES AND CLOSEUPS. THE ONES I can test ON A REGULAR TUBE TESTER HAVE CHECKED OUT.