1S5 Tube RCA NOS New in Mint Box DAF91 Battery Radio Diode-Pentode Audio Freq NIB
Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zs) Was used by Radio/TV-reception etc. Filament Vf 1.4 Volts / If: 0.05 Ampere / -: Direct / -: Battery = / Description Miniature type used in light-weight, compact, portable, battery-operated receivers as combined detector and voltage amplifier. Filament 1.4 volts, 0.05 amperes.
The 1U5 has the same electrical characteristics but it uses an improved structure which greatly reduces any tendency toward microphonic effects. In addition, the diode unit is effectively shielded from the pentode unit to prevent "play-through". They are not interchangeable since pin allocation is completely different.
Tubes will be packed securely and shipped via Canada Post Air Parcel
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Will Ship via USPS First Class Tracking to
Will Ship Internationally via Asendia with Tracking if available (some countries don't apply).