1R5 Pentagrid Converter Sylvania Radio Electronic Glass Vacuum Tube Reference

This is an original discontinued Sylvania 1R5 electronic tube. These miniature, lightweight, portable, compact, tubes were used as mixer oscillators in battery operated receivers. Excellent part for antique radio, instrument or equipment restoration. Useful as a replacement, for electrometer circuits or a foundation for a private vacuum tube museum. For reference only - no longer available!
1R5 Pentagrid Converter Battery Type Sylvania Radio Electronic Glass Vacuum Tube [8 KB]


1R5 Pentagrid Converter
MFG: Sylvania Quality Made in USA
RF, AF, Mixer/Oscillator, Amplifier - Electrometer
Heater: 1.4 V, 50 mA
Plate: 90 Vmax, 1.6 mAmax
Base: 7-pin miniature, all glass


No longer Available
Data For Reference Only
1R5 Miniature 7-Pin All Glass Electronic Vacuum Tube Electrode Connections   F=Filament, G=Grid
PIN # 1 2 3 4 5 6 7
Electrode F-, G5 Anode G2, G4 Grid 1 F1, G3 Grid 3 F+
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