Tube-number record
RS 1003
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BrandSiemens
ClassTransmitting Pentode
BaseSeptar
Filament6.3 V @ 2.3 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation60 W
Grid 2 Voltage600 V
Grid 1 Voltage-200 V
Cathode Current260 mA
H-C Voltage200 V
Audio Performance
Typical THD5%
Power Output160 W
Key Features
- Radiation cooled
- Suitable for news technology and electromedical devices
- RF amplifier, oscillator, or modulator applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 400 V | 18000 | — | 20 | 100 mA |
| RF Amplifier Class C (30 MHz) | 800 V | — | — | — | 207 mA |
| AF Amplifier Class AB (Push-Pull) | 1000 V | — | 10000 | — |
Application Notes
At continuous tone (Dauerton), modulation should not exceed 80% in anode-screen modulation mode.
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