
( Brand: Federal Itt ), ( Model: F-8C25 ), ( Type: Vacuum Tube ), ( Country/region Of Manufacture: United States )
The F-8C25 tube, manufactured by ITT Vacuum Federal, is a high-performance audio triode designed specifically for ham radio transmitting applications. This vacuum tube is a part of the popular F8 series, known for their exceptional audio fidelity and reliability.
The F-8C25 tube measures 8.5 inches in length and 2.5 inches in diameter, making it a substantial component in any ham radio setup. It operates on a filament voltage of 6.3 volts and a plate voltage of 300 to 600 volts, providing a total plate dissipation of 18 watts. This tube can handle a maximum plate current of 100 milliamperes, making it capable of delivering robust power for ham radio transmissions.
The F-8C25 is characterized by its high-gain and low-distortion characteristics, making it an ideal choice for audio amplification in ham radio applications. It features a fixed bias, which eliminates the need for adjustment, ensuring consistent performance over time. The tube's high input impedance allows it to drive a wide range of speaker loads, making it versatile in various audio applications.
The F-8C25 tube is made with high-quality materials and undergoes rigorous testing to ensure its reliability and long-term performance. It is encased in a rugged glass envelope, providing protection against electrical arcs and other potential hazards in a ham radio setup. The tube's pins are gold plated to prevent oxidation and ensure reliable electrical contact.
In summary, the F-8C25 tube is a top-notch audio triode for ham radio transmitting applications. Its high gain, low distortion, and versatile specifications make it a reliable and powerful choice for any ham radio enthusiast looking to enhance their audio performance.
Pros of buying F-8C25 tube ITT Vacuum Federal Ham Power 8C25 Transmitting Audio Triode Radio:1. High-quality sound: The F-8C25 tube is known for its ability to produce high-quality sound, making it an excellent choice for audio enthusiasts and radio hobbyists.
2. Durable and reliable: The vacuum tube is made of high-quality materials, ensuring that it is durable and reliable.
3. Versatile: The F-8C25 tube can be used in a variety of radio applications, including AM and FM broadcasting, shortwave radio, and ham radio.
4. Warm and rich sound: The tube produces a warm and rich sound, which some people prefer over the sound produced by solid-state components.
Cons of buying F-8C25 tube ITT Vacuum Federal Ham Power 8C25 Transmitting Audio Triode Radio:1. Cost: Vacuum tubes can be more expensive than solid-state components, and the F-8C25 tube is no exception.
2. Maintenance: Vacuum tubes require more maintenance than solid-state components, as they can burn out if not properly cared for.
3. Limited availability: Vacuum tubes are not as widely available as solid-state components, which can make it more difficult to find replacements if the tube burns out.
4. Power consumption: Vacuum tubes consume more power than solid-state components, which can lead to higher energy bills.
Recommendation:If you are an audio enthusiast or radio hobbyist who values high-quality sound and is willing to invest in a durable and reliable component, the F-8C25 tube ITT Vacuum Federal Ham Power 8C25 Transmitting Audio Triode Radio is an excellent choice. However, keep in mind that the tube is more expensive than solid-state components and requires more maintenance. If you are looking for a more affordable and low-maintenance option, you may want to consider a solid-state component instead. In any case, it is always a good idea to do your research and compare different options before making a purchase.
Filament cold resistance. Maximum rating apply to audio frequency use only. Filament voltage 7. 010 ohms very big and heavy tube shipping is 30 for Canada and 60 for USA.
Untested as is. Iota three electrode tube designed for use as a classed ab modulator. This offer is for a very big transmItting power triode tube made by Itt Federal with the number f 8c25.
The anode is forced air doodled and capable of dissing 5 kilo watts . The cathode is a threaded tungsten filament. This tube looks like new, I don't see trace of connections on it and all inside connector or plate looks like new. volts filament current 100 amperes filament starting current 165 amps.