EIMAC 4-400A High Power Rf Transmitting Tube 4-4400 8438

( Brand: Eimac ), ( Model: 4-4400 ), ( Type: Nos Tube ), ( Country Of Manufacture: United States )

Review EIMAC High Power Rf Transmitting Tube

The 4-4400 Eimac 4-400A 8438 High Power RF Transmitting Tube is a remarkable piece of technology designed for high-power radio frequency (RF) transmissions. This tube, manufactured by Eimac, a renowned name in the field of RF and microwave tubes, is built to withstand rigorous operating conditions.

The 4-400A is a klystron tube, specifically designed for applications requiring high power RF output. It operates at a frequency of 27.0 MHz and has an average power rating of 4 kW. The tube's design features a quadrature coupling arrangement, which allows for efficient and stable modulation.

The tube's anode is made of tungsten, a material known for its high melting point and resistance to thermal shock. The anode's shape and size are optimized to provide efficient energy transfer from the RF power source to the electron beam, thereby maximizing the tube's output power.

The 4-4400 Eimac 4-400A 8438 High Power RF Transmitting Tube is housed in a robust, high-vacuum glass enclosure. This enclosure is designed to withstand the high temperatures and pressures generated within the tube during operation. The enclosure also includes a cooling system to maintain the tube's internal temperature within safe limits.

The tube's internal construction is meticulously engineered to ensure reliable operation. The grid and cathode are made of materials chosen for their ability to withstand the intense electric fields and high current densities within the tube. The tube's design also includes a built-in emission filter to prevent the emission of harmful X-rays.

In conclusion, the 4-4400 Eimac 4-400A 8438 High Power RF Transmitting Tube is a versatile and reliable solution for high-power RF transmission applications. Its robust design, high power rating, and efficient energy transfer make it an ideal choice for applications such as radio broadcasting, radar systems, and industrial RF heating.

1. High power output: This tube is designed to deliver a high power output, making it suitable for applications that require significant RF power.

2. Reliable performance: Eimac is a reputable manufacturer known for producing high-quality RF tubes that deliver reliable performance.

3. Long life span: The tube is designed to have a long life span, reducing the need for frequent replacements.

4. Compatibility: This tube is compatible with a wide range of RF systems, making it a versatile choice for various applications.

1. High cost: The tube is relatively expensive, which may be a limiting factor for some buyers.

2. Requires specific operating conditions: The tube requires specific operating conditions to function optimally, which may require additional equipment or adjustments.

3. Potential for damage: As with any high-power RF tube, there is a risk of damage if not handled or operated correctly.

4. Limited availability: Eimac tubes may not be readily available in all regions, which could lead to longer delivery times or higher shipping costs.

The 4-4400 Eimac 4-400A 8438 high power RF transmitting tube is a reliable and high-performance option for applications that require significant RF power. Its long life span, compatibility with a wide range of systems, and high power output make it a valuable investment for many RF applications. However, its high cost and specific operating requirements are worth considering before making a purchase.

If you require high-power RF transmission and can afford the investment, the 4-4400 Eimac 4-400A 8438 tube is a solid choice. However, it's essential to ensure that you have the necessary operating conditions and equipment to make the most of its capabilities. If cost is a concern, consider alternative RF tubes that may offer similar performance at a lower price point.

Details:

part #: 44400 prices

• $99.99-$322.16

specifications tubesocketvintagego:

• brand: Eimac
• model: 4-4400
• type: Nos Tube
• country of manufacture: United States

Payments tubesocketvintagego:

• PayPal

General tubesocketvintagego:

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

Ratings:

1. Very good seller 11-17-17
2. Beautiful tubes 11-16-17
3. Item as represented, very well packed and shipped, thanks for everyrhingb 11-17-17
4. Fast shipping fantastic item thank you 11-19-17
5. Great seller. 11-18-17

Seller tubesocketvintagego:

• zipcode: 55313
• city: Buffalo, Minnesota

Offer tubesocketvintagego:

• Sold: 0
• bids: 0
• Started: November 19, 2017, 3:08 pm
• best offer: true
• quantity: 1

Returns tubesocketvintagego:

• policy: no returns

Shipping tubesocketvintagego:

• cost: $15.0
• type: Flat
• handling: 1 days

Eimac 4-4400 Is Similar To:

• 100th-vt218 Eimac 100th Vt218 Transmitting (45.1% similar) Used Eimac 100TH VT218 transmitting tube. Filament has continuity, otherwise untested. Made in USA. White ceramic 4-PIN base, side and top caps...(July 2nd, 2017)
• Ef Johnson 4cx250 124-115 Socket Eimac Tube (25% similar) Up for offer is a Johnson tube socket for the 4CX250 series transmitting power tubes. Shipping is a flat this unit is part number some pin connections are already soldered to the case, but can easily be un soldered. This is a 7 pin socket with a large pin...(January 29th, 2015)
• Rectifier Eimac Vacuum Nos High Us 2-150d 2-150 Nib 2 Tubes 150 Pair Matched (26.4% similar) Brand new in original boxes from the factory each tube comes with paperwork. These 2 tubes are guaranteed to function excellent unused new old stock exactly matched high vacuum rectifier tubes type 2/1 50D USA made by Eimac. Matched pair...(February 4th, 2015)
• 2-240a Eimac New Vintage High Voltage Retifier Tube In The Box (35.2% similar) Buying and offers: all questions, conditions, constraints shall be made prior to making an offer or purchase, any after placement of the order are null void. Prior to placing an order for a price quote any noise or microphone testing. The testing is done on vintage tube testers. This listing is for ...(June 10th, 2018)
• Ham Radio Vacuum 2-25a Tube Eimac (22.6% similar) For out of country shipping, our standard shipping is us postal 1ST class service and delivery confirmation is not always available. One Eimac 2/2 5a ham radio vacuum tube, made in the USA. Please review the photo for more detail. We combine shipping when applicable. The tube has a gray circular ...(February 10th, 2015)
• 2-50a Eimac Electron Tube Model (36.7% similar) New in worn open box. No manuals,no standard power cords, even if it appears in the photo, accessories, software etc are included unless pictured and noted. You can also after a sale if have return issues or any other concerns. All equipment is sold-as-is...(April 3rd, 2017)
• 250-r Eimac Power Vacuum Tube Usa (32.3% similar) Eimac 250-R...(August 3rd, 2018)
• 2c39wa Eimac Vintage Nos Power (30.5% similar) It is a model number 2C39WA. It has never been out of the packaging and is in perfect shape. This listing is for a new old stock Eimac power grid tube...(October 12th, 2017)
• 3-500 Eimac Rf Amplifier Tube For Display Only (32% similar) For display only. When filament voltage is applied tube has a grid to short. Thanks mike...(January 19th, 2019)
• Shirt Vacuum Xl T 3-500z Heath Eimac Radio Tube Amplifier Drake Ham (29.2% similar) The shirt is black with white image. Posted with mobile posted with mobile. This is a 100 cotton shirt with a image of a Eimac 3/5 00Z vacuum tube screen printed on the front. The shirt is size XL. I have this shirt in sizes small to XL. On APR at PDT, free...(January 23rd, 2015)
• Usa Ham 3-500zg Radio Lot Tube Eimac Amplifier Parts 2 (26.5% similar) ...(January 12th, 2015)