
( Brand: Eimac ), ( Model: 3CPX800A7 ), ( Part Type: Radio Amplifier Tube )
The 3Cpx800A7 Eimac HF/VHF Amplifier Tube is a high-performance amplifier component designed specifically for use in ham radio applications. This tube is equipped with a powerful output of 800 watts, making it an excellent choice for those looking to boost their radio signal's strength and range.
The 3Cpx800A7 is a triode tube, meaning it has three active elements within. This design allows for efficient power handling and high gain, making it ideal for use in amplifier circuits. The tube is also constructed with a robust glass enclosure and metal grid, ensuring durability and resistance to high voltages.
The 3Cpx800A7 Eimac tube operates on both HF (High Frequency) and VHF (Very High Frequency) bands, making it a versatile choice for a wide range of ham radio applications. It has a plate voltage of 1500V and a plate current of 4.4A, ensuring it can handle the demands of high-power radio transmissions.
The tube's design also includes a built-in heat sink, which helps to dissipate heat generated during operation. This feature is crucial for maintaining the tube's performance and longevity, especially during prolonged use.
In summary, the 3Cpx800A7 Eimac HF/VHF Amplifier Tube is a high-powered, versatile, and durable component suitable for use in ham radio applications. Its triode design allows for efficient power handling and high gain, while its robust construction and built-in heat sink ensure reliability and longevity. With a maximum output of 800 watts, this tube is perfect for boosting your radio signal's strength and range.
Pros of buying a 3CPX800A7 Eimac HF/VHF Amplifier Tube:1. High Power Output: This tube offers a maximum power output of 800 watts, making it ideal for long-distance communications or high-power operations.
2. Durable Construction: Eimac is known for its robust and high-quality construction, ensuring that the tube can withstand the rigors of regular use.
3. Wide Frequency Coverage: The 3CPX800A7 covers a wide range of frequencies, from 1.8 to 54 MHz, making it a versatile choice for various ham radio applications.
Cons of buying a 3CPX800A7 Eimac HF/VHF Amplifier Tube:1. High Price: Compared to other tubes on the market, the 3CPX800A7 is quite expensive, which may not be feasible for all ham radio enthusiasts.
2. Limited Availability: Due to its high-end nature and limited production, the 3CPX800A7 may not be as readily available as other tubes, making it harder to find replacements or spare parts.
3. Requires Careful Handling: Tube amplifiers require more maintenance than solid-state amplifiers, and the 3CPX800A7 is no exception. It requires careful handling, regular cleaning, and proper ventilation to ensure its longevity.
Conclusion:If you are a serious ham radio enthusiast looking for high-power performance and wide frequency coverage, the 3CPX800A7 Eimac HF/VHF Amplifier Tube may be an excellent investment. However, its high price, limited availability, and maintenance requirements should be considered before making a purchase. If budget or convenience is a concern, you may want to consider alternative, less expensive options.
Recommendation:If you decide to purchase the 3CPX800A7, make sure to invest in a high-quality amplifier enclosure with proper ventilation and airflow to ensure the tube's longevity. Additionally, be prepared to dedicate time and resources to maintaining the tube to ensure it continues to perform at its best.
I unfortunately have no way to test these for output so am selling them as-is. This listing is for one of the five 3px800a7 amplifier tubes I have up sale. I purchased these years ago for an amplifier project wanted to work on however found a different that uses tubes and really enjoy it so are now up sale.