6P32

6P32, or 6П32 in Cyrillic, is a Soviet-era vacuum tube designation for a power pentode used in amplification stages of radio and related equipment. Produced in the Soviet Union and continuing in later Russian manufacture, it appears in several variants such as 6П32, 6П32Б, and 6П32С. The tube is designed for relatively high operating voltages and serves in output or driver stages where moderate to high power gain is required.

In construction terms, the 6P32 is a multi-electrode vacuum tube with a pentode/beam-tetrode configuration and a cathode heater arrangement typical of mid- to late-20th-century Soviet designs. Variants differ in minor aspects such as heater characteristics or internal coatings, but share the core function as a robust high-voltage amplification device suitable for RF and audio applications. Physical form and pinout can vary between batches and subtypes, reflecting the broader Soviet tube manufacturing approach.

Applications for the 6P32 include audio output stages in vintage receivers and amplifiers, as well as RF and intermediate-frequency amplifier stages in military and civilian equipment. It was commonly used where a rugged power tube was preferred and where Soviet-era production was readily available. In the modern era, the 6P32 and its variants are encountered mainly in restorations and hobbyist electronics, with compatibility dependent on the exact subtype and era of manufacture.

See also: List of vacuum tubes, Soviet vacuum tubes.