AMPEREX 4CX250FG Transmitter Vacuum Tube BJR7045

( Brand: Amperex ), ( Model: 4CX250FG ), ( Type: Vacuum Tube )

Review AMPEREX Transmitter Vacuum Tube

The 4CX250FG Amperex transmitter vacuum tube, specifically the BJR7045, is a remarkable piece of electronic equipment. This tube is a part of the 4-pin miniature series, known for their compact size and high power capabilities. The BJR7045 is a high-voltage triode, designed primarily for use in radio frequency amplification applications.

The tube measures approximately 2.6 inches in length and 0.8 inches in diameter, making it a space-saving solution for equipment designers. It operates on a voltage of 250 volts and can deliver a current of up to 250 milliamperes. This power rating makes it suitable for use in applications requiring moderate power output.

The BJR7045 is made using Amperex's advanced manufacturing processes, ensuring high-quality and reliable performance. The tube is designed to withstand the rigors of high-frequency operation, making it a popular choice in RF amplifier circuits. Its glass envelope is sealed to protect the internal components, ensuring long-term reliability and stability.

The BJR7045 is a versatile component, capable of handling a wide range of frequencies. Its frequency response ranges from 100 Hz to 300 MHz, making it suitable for use in a variety of communications systems, including radio, television, and radar.

In summary, the 4CX250FG Amperex transmitter vacuum tube BJR7045 is a compact yet powerful high-voltage triode, ideal for RF amplification applications. Its reliable performance, versatile frequency response, and long-term stability make it a popular choice among electronic engineers and designers.

1. High Power Output: The BJR7045 is a high power vacuum tube with a maximum power output of 250 watts. This makes it suitable for use in high power audio amplifiers, transmitters, and other applications that require a significant amount of power.

2. Reliability: Vacuum tubes have been in use for over a century and have proven to be reliable and durable under normal operating conditions. The BJR7045 is no exception and is known for its long lifespan and ability to withstand high temperatures and voltages.

3. Wide Frequency Response: The BJR7045 has a wide frequency response, making it suitable for use in a variety of applications. It can handle frequencies from 100 Hz to 15 kHz, making it a versatile choice for audio amplifiers, transmitters, and other high-frequency applications.

4. Low Noise: The BJR7045 is known for its low noise characteristics, making it suitable for use in applications that require high-quality audio or narrowband communications.

1. Limited Availability: Vacuum tubes are not as commonly used as solid-state components, and the BJR7045 is no exception. This may make it more difficult to find replacements or repair parts if needed.

2. Maintenance: Vacuum tubes require more maintenance than solid-state components. They need to be properly aligned, cleaned, and tested to ensure they are functioning properly.

3. Energy Inefficiency: Vacuum tubes are generally less energy-efficient than solid-state components. They consume more power and generate more heat, which can lead to increased operating costs and potential safety hazards.

The 4CX250FG Amplex Transmitter Vacuum Tube BJR7045 is a reliable and high-powered vacuum tube that is suitable for use in a variety of applications. Its wide frequency response, low noise, and long lifespan make it a popular choice for audio amplifiers, transmitters, and other high-frequency applications. However, its limited availability, maintenance requirements, and energy inefficiency are important considerations to keep in mind when deciding whether to purchase this tube. Ultimately, the decision to buy the BJR7045 will depend on the specific requirements of your application and your willingness to accept the trade-offs associated with using vacuum tubes.

If you require a high-powered vacuum tube for your application and are willing to accept the maintenance requirements and energy inefficiency, the 4CX250FG Amplex Transmitter Vacuum Tube BJR7045 is a good choice. However, if you are looking for a more reliable, low-maintenance, and energy-efficient alternative, you may want to consider using solid-state components instead.

Details:

This is the original Amperex 4CX250FG vacuum tube used in many ham radio transmitters.

These sell for each on our web page.

High bid gets the tube shown here. Fully guaranteed, tested and operational, pulled from working equipment.

Satisfaction guaranteed. This is a rare tube, hard to find good ones.

part #: 4cx250fg price

• $134.09

specifications tubesocketvintagego:

• brand: Amperex
• model: 4cx250fg
• type: Vacuum Tube

Ratings:

1. Quick delivery, well packed, all as advertised. 04-10-18
2. Fast shipping. Excellent communication. Quality product 04-09-18
3. Purchased for friend. Thrilled with it. Service also Very Fast. THANKS 04-11-18
4. Super fast delivery. Great seller Wonderful tube ! Thx 04-10-18
5. Excellent on all counts. Thanks! A A 04-10-18

Payments tubesocketvintagego:

• PayPal

Shipping tubesocketvintagego:

• type: Calculated
• handling: 1 days

Offer tubesocketvintagego:

• Sold: 0
• quantity: 1
• Started: April 12, 2018, 9:35 am
• bids: 0
• best offer: false

General tubesocketvintagego:

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

Returns tubesocketvintagego:

• policy: returns accepted
• paid by: Buyer
• time: 30 Days
• type: Money Back

Seller tubesocketvintagego:

• zipcode: 60010
• city: Barrington, Illinois

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