4-400A / QB4-1100GA / 8438 / E400A / QY4-400 / C1136 / CV3879

Looking for a high-quality beam tetrode tube that delivers exceptional performance and durability? Look no further than the 4-400A / QB4-1100GA / 8438 / E400A / QY4-400 / C1136 / CV3879.

This versatile tube is designed for power handling of up to 400 watts, making it ideal for a wide range of applications, from broadcasting and communications to industrial and scientific uses. With a maximum plate voltage of 4,500 volts, this tube can handle even the most demanding voltage requirements with ease.

But that's not all - the 4-400A is also equipped with a high-quality filament that operates at 6.3 volts and 11 amperes, ensuring reliable and consistent performance over the long term. And with its durable construction and rugged design, this tube is built to withstand even the toughest conditions and last for years to come.

Whether you're a professional broadcaster, scientist, or industrial user, the 4-400A / QB4-1100GA is the perfect choice for your high-power needs. So why wait? Order yours today and experience the unmatched performance and reliability of this top-of-the-line beam tetrode tube for yourself!