RAYTHEON RK-38 Transmitting Triode Vacuum Tube

( Brand: Raytheon ), ( Manufacturer Part Number: RK-38 ), ( Type: Power Tubes )

Review RAYTHEON Vintage Transmitting Triode Vacuum Tube

The RK-38 Raytheon Transmitting Triode Vacuum Tube is a historical artifact and a piece of engineering marvel from the golden age of radio technology. This tube, manufactured by Raytheon, a renowned American company, is a testament to the advancements in electronics during the mid-20th century.

The RK-38 is a triode vacuum tube, which means it has three electrodes: the cathode, grid, and plate. This specific model is designed for high-power, long-distance radio transmissions. The vacuum inside the tube allows for the flow of electrons between the electrodes without the hindrance of gas molecules, resulting in efficient electrical conduction.

The cathode, made of a heated material like tungsten, emits a stream of electrons. The grid, a thin wire mesh, controls the flow of these electrons by allowing or blocking their passage, based on the voltage applied. The plate, a metal plate with a high positive voltage, attracts the electrons and allows them to flow, which results in an electrical current.

The RK-38 is a direct-heated triode, which means the heat required for the cathode to emit electrons is provided by the current flowing through it, rather than an external heat source. This design provides a more stable and consistent performance over time.

The RK-38 is a 6L6 type of vacuum tube, which means it operates on a 6.3 volts plate supply and has a filament current of 600 milliamperes. It has a power rating of about 25 watts, making it suitable for medium to high power applications in radio and television broadcasting.

In terms of physical dimensions, the RK-38 is approximately 8.7 inches (220 mm) long and 3.5 inches (89 mm) in diameter. It weighs around 1.2 pounds (0.55 kg), making it a substantial component in any vintage radio or television set.

The RK-38 is not only a functional piece of technology but also a collector's item. Its historical and cultural significance, coupled with its impressive technical specifications, make it a valuable addition to any vintage electronics collection. Whether you're a radio enthusiast, a collector, or a history buff, the RK-38 Raytheon Transmitting Triode Vacuum Tube is an excellent choice.

1. High quality and reliability: Raytheon is a well-known brand in the vacuum tube industry, and the RK-38 is known for its durability and reliability.

2. Wide range of applications: The RK-38 can be used in a variety of applications, including radio transmitters, amplifiers, and oscillators.

3. Rich sound quality: The tube is known for its rich and warm sound, making it popular among audiophiles and music enthusiasts.

4. Vintage appeal: The RK-38 has a vintage look and feel, making it a popular choice among collectors and those who appreciate the aesthetic of vintage technology.

1. Limited availability: Due to its age, the RK-38 is not as widely available as newer vacuum tubes, which may make it more expensive to source.

2. Requires special care: Vacuum tubes, including the RK-38, require special care and maintenance to ensure they function properly and last as long as possible.

3. Can be more expensive: The RK-38 may be more expensive than newer vacuum tubes due to its rarity and high quality.

4. Limited compatibility: The RK-38 may not be compatible with all modern equipment, which may require additional modifications or the use of adapters.

The RK-38 Raytheon transmitting triode vacuum tube is a high-quality and reliable option for those looking for a vintage tube with a rich sound quality. However, its limited availability, special care requirements, and potential compatibility issues make it a less practical choice for some users. If you are a collector, audiophile, or have specific needs for a vintage tube, the RK-38 may be a worthwhile investment. If you are looking for a more practical and widely available option, there are newer vacuum tubes that may better suit your needs.

If you are interested in the RK-38 Raytheon transmitting triode vacuum tube, I would recommend researching its compatibility with your equipment and considering the additional costs associated with its maintenance and care. If you are unsure or have any concerns, I would recommend consulting with a vacuum tube expert or experienced audio technician to ensure that the RK-38 is the right choice for your needs.

Details:

Vintage Raytheon RK-38 transmitting triode vacuum tube: this tube is in good cosmetic condition. All of our tubes are guaranteed to be as seen described. My Hickok does not have a way of testing these tubes so they are being sold as is and shown.

Thank-you for looking and happy ing.

part #: rk38 price

• $175.00

specifications tubesocketvintagego:

• brand: Raytheon
• mpn: Rk-38
• type: Power Tubes

Offer tubesocketvintagego:

• quantity: 1
• bids: 0
• Started: July 13, 2017, 11:47 pm
• Sold: 0
• best offer: true

Returns tubesocketvintagego:

• policy: no returns

Ratings:

1. Thanks for a pleasant transaction. Enjoy your branded shipping supplies 07-06-17
2. Quick Ship 07-08-17
3. Thanks! 07-08-17
4. tutto benissimo pacco super --- OK---- molto rapido -- grazie 07-03-17
5. NiceWell done. Top notch seller!!!!! 07-08-17

Payments tubesocketvintagego:

• PayPal

General tubesocketvintagego:

• in stock: Yes
• consumer electronics > vintage electronics > vintage audio video parts accessories consumer electronics > vintage tubestubes sockets audio

Shipping tubesocketvintagego:

• type: Calculated
• handling: 4 days

Seller tubesocketvintagego:

• zipcode: 01440
• city: Gardner, Massachusetts

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