
( Brand: Taylor ), ( Type: 866jr ), ( Country/region Of Manufacture: United States )
The 866JR Taylor Radio Vacuum Tubes are a must-have for any ham radio operator or vintage radio enthusiast. These tubes are designed as rectifiers, specifically for use in high-frequency applications, making them an ideal choice for ham radio operations.
The 866JR tubes are manufactured by Taylor Electronics, a renowned name in the vacuum tube industry, known for their high-quality and reliable products. These tubes are made using traditional techniques, ensuring that they deliver the same performance and sound quality as the vintage tubes of yesteryears.
The 866JR tubes are designed with a high-mu triode design, which means they provide a high current gain, making them highly efficient and suitable for high power applications. They have a filament voltage of 6.3V and a plate voltage of 300V, making them compatible with a wide range of ham radio equipment.
The tubes are made using high-quality materials, including a glass envelope and metal components. The glass envelope is thick and durable, ensuring that the tube can withstand the high voltages and currents that are common in ham radio operations. The metal components are also of high quality, ensuring that the tube can withstand the heat and vibrations that can occur during operation.
The 866JR tubes are easy to install and use. They come with clear instructions and can be easily integrated into most ham radio setups. The tubes are also easy to maintain, with a simple cleaning and alignment process that can be done at home.
In summary, the 866JR Taylor Radio Vacuum Tubes are a high-quality and reliable rectifier tubes for ham radio operations. They are made using traditional techniques, ensuring that they deliver the same performance and sound quality as the vintage tubes. They are easy to install and use, and are compatible with a wide range of ham radio equipment. Whether you're a seasoned ham radio operator or a vintage radio enthusiast, these tubes are a great addition to your collection.
Pros of buying 866JR Taylor Radio Vacuum Tubes for Ham OP Rectifier:1. Authenticity: The 866JR is a well-known and highly regarded vacuum tube, especially for Ham radio operators. Its reputation for durability and performance makes it a popular choice among enthusiasts.
2. High Quality: Taylor tubes are known for their high-quality construction, which can lead to better performance and longer lifespan compared to cheaper alternatives.
3. Vintage Appeal: For those who appreciate the aesthetics of vintage technology, the 866JR's classic design can add a unique charm to a Ham radio setup.
Cons of buying 866JR Taylor Radio Vacuum Tubes for Ham OP Rectifier:1. Cost: Vacuum tubes, especially high-quality ones like the 866JR, can be quite expensive. This may be a significant investment for some Ham radio operators.
2. Availability: Vacuum tubes, particularly older models like the 866JR, can be difficult to find in stock. This may require searching multiple retailers or waiting for a restock.
3. Complexity: Vacuum tubes, in general, can be more complex to maintain and troubleshoot than solid-state components. This may require additional knowledge, tools, and time.
Conclusion:If you are a Ham radio operator looking for a high-quality, durable, and reliable vacuum tube for your rectifier, the 866JR Taylor Radio Vacuum Tube could be a great option. Its vintage appeal and reputation for excellent performance can add a unique charm to your setup. However, be prepared for the potential cost and potential difficulties in sourcing and maintaining the tube.
Recommendation:If the 866JR Taylor Radio Vacuum Tube fits within your budget and you are comfortable with the potential complexities, it could be a worthwhile investment. If cost is a concern, consider researching and comparing prices from various retailers to find the best deal. If sourcing is an issue, consider joining online communities or forums dedicated to Ham radio to connect with other enthusiasts who may have tube recommendations or leads.
Tube 3 is not operational defective for display only and has no peripherals. 5 volts dial settings e r actual filament reading was Tube 2 is used and is has no peripherals.
The 866JR box bottom flap hinges are stronger.
Flaps on box are attached, however that attachment is fragile be careful when opening box. Three Taylor 866JR half wave mercury rectifier vacuum tubes, 1 used with box, 1 used, 1 non op these are attractive tubes when they light, and two of them glow with a white purple light. All three tubes have readable Taylor 866 jr logos. All three tubes passed the short tests.
I tested all three on my TV 7b u Hickok tube tester with the following results 1 tested at 54 minimum acceptable reading is 40 possibly nib, however i'm listing as used with box 2 tested at 47 minimum acceptable reading is 40 used 3 tested at no white purple light filament is good and glows. 4 vac pin setup as for type 81 rectifier e,r,0,2,0,0,0,0 base type 4 b bias per TV 7 Taylor 866a test shunt 67 per TV 7 Taylor 866a test range a per TV 7 Taylor 866a test button 7 rectifier per TV 7 Taylor 866a test minimum acceptable meter reading per TV 7 Taylor 866a test as with all mercury vapor rectifier tubes, they should be handled carefully and allowed to run with filament on for at least 30 minutes before any high voltage is applied. I will always work with you on a remedy. TV 7 testing settings filament 2.
All three tubes have white ceramic bases. Used defective display only tube 1 is used and comes with original wrapping material and box.