
( Brand: Western Electric ), ( Manufacturer Part Number: 717A ), ( Bundle Listing: No )
The 717A Tung-Sol Ratheon 39 Western Electric is a vintage and highly sought-after triode vacuum tube. This tube is manufactured by Tung-Sol, a subsidiary of Ratheon, and is based on the original Western Electric 39 design.
The 717A is a pure triode tube, which means it has three electrodes: a filament, a plate, and a grid. This tube is known for its excellent audio performance and is often used in high-end audio equipment, such as vintage radio receivers, amplifiers, and hi-fi systems.
The 717A has a plate voltage rating of 350V and a plate current rating of 30mA. It has a frequency response of 30Hz to 15kHz, making it suitable for use in both voice and music applications. The tube is also noted for its low noise and distortion characteristics, which contribute to its excellent sound quality.
Physically, the 717A is a large, glass-enclosed tube with a diameter of approximately 2.5 inches and a length of around 5 inches. The tube is coated with a green phosphor material, which glows when the filament is heated. The tube is also marked with the Tung-Sol logo and the 717A designation.
In summary, the 717A Tung-Sol Ratheon 39 Western Electric is a high-quality vacuum tube that is prized for its excellent audio performance and vintage charm. It is a versatile tube that is suitable for use in a wide range of audio applications, and its large size and distinctive glass envelope make it a visually appealing addition to any vintage audio system.
Pros of buying a 717A Tung-Sol Ratheron 39 Western Electric tube:1. High Quality: Tung-Sol is a reputable brand known for producing high-quality vacuum tubes. The 717A is a popular choice for audio enthusiasts and audiophiles due to its high-fidelity sound.
2. Vintage Appeal: The tube's vintage design can add a unique aesthetic to any audio system. It may also appeal to collectors who enjoy the history and nostalgia of older technology.
3. Durable: Tung-Sol tubes are known for their durability, which can save you money in the long run by reducing the need for frequent replacements.
Cons of buying a 717A Tung-Sol Ratheron 39 Western Electric tube:1. Limited Availability: Due to their age, 717A tubes may be difficult to find and can be expensive when they are available.
2. Requires Maintenance: Vacuum tubes require regular maintenance, including cleaning and alignment, to ensure optimal performance.
3. Compatibility Issues: The 717A tube may not be compatible with all modern audio equipment, which may require additional adaptors or modifications.
Conclusion:If you are an audiophile or audio enthusiast who values high-fidelity sound and vintage aesthetics, the 717A Tung-Sol Ratheron 39 Western Electric tube may be a worthwhile investment. However, be prepared for potential compatibility issues and the need for regular maintenance. Additionally, you may need to pay a premium for this tube due to its limited availability.
Recommendation:If you are interested in purchasing a 717A Tung-Sol Ratheron 39 Western Electric tube, I recommend doing your research to ensure that it is compatible with your audio equipment and that you are willing to invest the time and money required to maintain it. You may also want to consider purchasing a new tube with similar specifications if you are unable to find a used 717A at an affordable price.