Tube-number record
16SP4, 16SP4A
0 archive entries
16SP4, 16SP4A is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand TUNG-SOL, year 1954, construction Display / CRT, base Small Shell, socket Duodecal, and maximum plate voltage 14000 V. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRound Glass
Base MaterialSmall Shell
Sections1
Filament / Heater
Heater NotesUnipotential Cathode
Absolute Maximum Ratings
Plate Voltage14000 V
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Grey filter faceplate (16SP4A)
- Unipotential Cathode
- External conductive coating
- Single field ion trap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Visual extinction of spot | 12000 V | — | — | — | — |
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