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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!
Features: • 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 Notes: • 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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