4BZ7 / 4BQ7A Medium-Mu Twin Triode

Marconi brand 4BZ7 / 4BQ7A tube. New old stock, boxed. Tested working and guaranteed 30 days.

• Substitutes: 4BC8, 4BZ7, 4BZ8, 4KN8
• EIA Base: 9AJ
• Filament Voltage: 4.2V
• Filament Current: 600mA
• Triodes Plate Voltage: 250V
• Triodes Plate Dissipation: 2W
• Triodes DC Cathode Current: 20mA
• Datasheet (for 6BQ7A): 6BQ7A.pdf
• More information: 4BQ7A data
• COO: Japan
• Location: T36