RAYTHEON KLYSTRON QK381 Tube Radio Valve Qk Vacuum St

( Brand: Raytheon Klystron ), ( Type: Qk 381 Klystron ), ( Country/region Of Manufacture: United States ), ( Product Type: Vacuum Tubes ), ( Tube Type: Qk 381 )

Review RAYTHEON KLYSTRON 381 St Shape Type Vintage Tube Radio Valve Qk Vacuum

The QK381 Klystron 381 tube is a vintage radio valve, specifically designed and manufactured by Raytheon. This unique tube, identified by its QK prefix, is a testament to the engineering prowess of the past. The Klystron 381 is a type of microwave tube, widely used in early radar systems and communication equipment due to its ability to amplify and frequency modulate microwave signals.

The QK381 tube is a vacuum device, meaning it operates under high vacuum conditions to allow electrons to move freely and generate an electrical current. This tube has three cathodes and four anodes, which are used to manipulate the electron beam and control the amplification of the microwave signal. The construction of the tube is meticulous, with a glass envelope sealed with a metal plate, and internal components made of materials like nickel and beryllium oxide.

In operation, the QK381 tube functions by using the electron beam to stimulate the movement of charged particles, which in turn creates an oscillating electrical field. This field generates a microwave signal, which can be amplified and modulated to transmit or receive data. The tube's ability to handle high power and frequency makes it an essential component in various applications, including early radar systems, communication equipment, and even some types of medical equipment.

The QK381 Klystron 381 tube is a collector's item and a piece of technological history. Its vintage design and unique functionality make it an attractive addition to any collection of obsolete electronics or radio equipment. Whether you're a hobbyist, a collector, or a historian, this tube offers a fascinating glimpse into the past and the evolution of electronic technology.

1. Authenticity: Raytheon is a well-known brand in the radio industry, and the QK381 tube is a high-quality, authentic product.

2. Durability: Klystron tubes are known for their long lifespan and reliability, making them a great investment for those looking for a long-term solution.

3. Power: The QK381 tube can produce a significant amount of power, making it ideal for use in high-powered radio systems.

4. Performance: Klystron tubes offer excellent linearity and bandwidth, making them ideal for use in frequency modulation (FM) and other narrowband applications.

1. Cost: Klystron tubes can be expensive, and the QK381 is no exception. This may be a significant barrier for those on a tight budget.

2. Availability: Klystron tubes are not as commonly available as other types of vacuum tubes, and replacements may be difficult to find if the tube fails.

3. Size and Weight: Klystron tubes are larger and heavier than other types of vacuum tubes, which may make them difficult to integrate into smaller radio systems.

The QK381 Klystron 381 Tube is a high-quality, durable, and powerful vacuum tube that is ideal for use in high-powered radio systems. Its excellent linearity and bandwidth make it a great choice for frequency modulation applications. However, its high cost, limited availability, and size and weight may be barriers for some users. Ultimately, whether or not the QK381 is the right choice for you will depend on your specific needs and budget.

If you are looking for a high-performance vacuum tube for use in a high-powered radio system and have the budget to accommodate its cost, the QK381 Klystron 381 Tube is a great choice. However, if cost or size and weight are a concern, you may want to consider alternative vacuum tube options.

Details:

Up for sale is one 1 qk 381 Raytheon Klystron vintage tube not tested, as is.

part #: qk381 price

• $119.99

specifications tubesocketvintagego:

• brand: Raytheon Klystron
• type: Qk 381 Klystron
• country/region of manufacture: United States
• product type: Vacuum Tubes
• tube type: Qk 381

Returns tubesocketvintagego:

• paid by: Buyer
• type: Money Back
• time: 60 Days
• policy: returns accepted

Shipping tubesocketvintagego:

• cost: $4.0
• type: Flat
• handling: 1 days

Offer tubesocketvintagego:

• quantity: 1
• best offer: false
• # bids: 0
• min. bid: $49.99
• # Sold: 0
• Started: July 26, 2016, 11:33 pm

Ratings:

1. Fast shipping, safe packing and a very smooth transaction 07-26-16
2. Many THANKS 07-26-16
3. nc 07-26-16
4. Fast ship! Everything as advertised. . Thanks! 07-26-16
5. Good seller. 07-26-16

Seller tubesocketvintagego:

• zipcode: 15642
• city: Irwin, Pennsylvania

General tubesocketvintagego:

• in stock: Yes
• Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tube Sockets

Payments tubesocketvintagego:

• PayPal

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