EIMAC 4CX250B-M Tetrode Electron Power Tube Box

( Brand: Eimac ), ( Model: 4CX250B/M ), ( Country/region Of Manufacture: United States ), ( Type: Power Tubes )

Review EIMAC Tetrode Electron Power Tube Original Box

The 4CX250B-M Eimac 4CX250B Tetrode Electron Power Tube Box is a high-performance vacuum tube designed for use in various applications, including radio frequency (RF) amplifiers, microwave oscillators, and high-power transmitters.

This tube is a tetrode design, which means it has four electrodes: an anode, a cathode, a grid, and a screen. The tetrode configuration allows for greater efficiency and power handling compared to a triode tube, making it ideal for high-power applications.

The 4CX250B-M is a medium-power tube, with a maximum rated power output of 250 watts. It operates at a voltage of 1200 volts and a current of 1.5 amps. The tube's anode diameter is 0.5 inches, and it has a heater voltage of 6.3 volts and a heater current of 0.5 amps.

The tube is made of high-quality materials to ensure durability and reliability. The glass envelope is made of quartz, which is resistant to thermal shock and has a high melting point. The filament is made of tungsten, which is known for its long life and high melting point.

The tube is housed in a sturdy box with a handle for easy transportation. The box is made of metal and has a ventilation system to keep the tube cool during operation. The box also has a shield to protect the tube from electromagnetic interference.

In summary, the 4CX250B-M Eimac 4CX250B Tetrode Electron Power Tube Box is a high-performance vacuum tube designed for use in RF amplifiers, microwave oscillators, and high-power transmitters. Its tetrode configuration allows for greater efficiency and power handling, and it has a maximum rated power output of 250 watts. The tube is made of high-quality materials and is housed in a sturdy box with a ventilation system and a shield for protection.

1. High Power Output: This tube has a high power output, making it suitable for applications that require a significant amount of power.

2. Durable Construction: The tube is built to withstand high power and voltage, ensuring longevity and reliability.

3. Wide Frequency Range: It has a wide frequency range, making it versatile for use in various audio and RF applications.

4. Good Efficiency: The tube is known for its good efficiency, which reduces the amount of power required to operate it.

1. High Cost: This tube is relatively expensive, which may make it unaffordable for some users.

2. Requires Proper Maintenance: Like any high-powered tube, it requires proper maintenance to ensure optimal performance.

3. May Require Special Equipment: Some users may need special equipment to properly install and operate this tube, which may add to the overall cost.

4. Limited Availability: Due to its specialized nature, this tube may not be readily available in some locations, which could impact delivery times.

The 4cx250b-M EIMAC 4cx250b Tetrode Electron Power Tube Box is a high-performance tube that is well-suited for applications that require a significant amount of power. Its durable construction, wide frequency range, and good efficiency make it a reliable choice for users who can afford its high cost and are willing to invest in its proper maintenance. However, its limited availability and the need for special equipment may be a deterrent for some users.

If you are in the market for a high-powered tube and have the budget and the necessary equipment, the 4cx250b-M EIMAC 4cx250b Tetrode Electron Power Tube Box is a great choice. However, if you are looking for a more affordable option, there may be other tubes that meet your needs. It is always a good idea to do thorough research and compare different options before making a purchase.

Details:

Eimac tetrode electron power tube model 4CX250B looks to be in nice condition, however I have no way test it. Comes in original box. Selling as is free shipping.

part #: 4cx250b prices

• $109.00-$149.99

specifications tubesocketvintagego:

• brand: Eimac
• model: 4cx250b/m
• country/region of manufacture: United States
• type: Power Tubes

Shipping tubesocketvintagego:

• type: Flat
• handling: 2 days
• cost: $0.0

Seller tubesocketvintagego:

• zipcode: 40509
• city: Lexington, Kentucky

Returns tubesocketvintagego:

• policy: no returns

Payments tubesocketvintagego:

• PayPal

Offer tubesocketvintagego:

• Started: February 8, 2018, 6:56 pm
• best offer: false
• bids: 0
• Sold: 0
• quantity: 1

Ratings:

1. Great condition, packing, and service. Awesome seller! A 02-04-18
2. 02-03-18
3. Great A Product as Described and fast shipping.Thank 01-31-18
4. Great transaction. Thanks! 01-31-18
5. great condition, looks almost new. will test it soon. or maybe soon 02-02-18

General tubesocketvintagego:

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

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