IT4 Marconi Radiotron RCA Vacuum Tube 7 Pins Plug In Ham Radio Amplifier Vintage

This vintage RCA vacuum tube is a great addition to any ham radio enthusiast's collection. With 7 pins, it provides high-quality sound and power to your amplifier. The unit type is a single unit, and the model is IT4. The country/region of manufacture is unknown. This tube is perfect for those who appreciate vintage electronics and are looking for a unique piece to add to their collection.