6J1 / 6Ж1П Chinese 7 pin pentode

6J1 / 6Ж1П Chinese 7 pin pentode. Replaces, with minor differences, the following tubes: 6AK5, CV850, EF95.

Features

• The presence of two cathode pins suggests that the design was originally intended for RF use.
• Internally the connections from the base pins are copper.
• The box anode is open at the sides.
• The thin glass tube envelope is 18mm in diameter
• Excluding the B7G base pins, is 38mm tall.