Pentagrid Converter ~ Heptode
The Tronix 1R5 Vacuum Tube is a miniature type
used in lightweight, portable, compact,
battery-operated receivers. It requires a
miniature 7-contact socket and may be mounted
in any position.
Electrical Data:
Filament Voltage ................... 1.4 DC V
Filament Current ..................... 0.05 A
Substitutes ................... 1AF5 1AR5