Tube-number record
7AYP
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7AYP is a tube type in the TubeDatabase archive (class: Oscilloscope Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, base Plastic, socket CRT base (B12 family), and maximum plate voltage 8000 V. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassOscilloscope Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater Notes6.3 Volts, 0.6 Amperes
Absolute Maximum Ratings
Plate Voltage8000 V
Grid 1 Voltage200 V
H-C Voltage180 V
Audio Performance
Key Features
- Direct Viewed
- Rectangular Glass Type
- Electrostatic Focus
- Electrostatic Deflection
- Clear Spherical Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 5000 V | — | — | — | — |
| Condition 2 | 4000 V | — | — | — | — |
Application Notes
Anode, Grid No. 2 and Grid No. 4 are connected together within the tube and referred to as anode. The phosphor screen may be damaged if current density limits are exceeded.
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