RK-10
0 Tubes in archive
BrandRaytheon
ClassTriode Power Amplifier Oscillator
Base4-prong
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialIsolantite
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage450 V
Plate Dissipation12 W
Grid 1 Voltage-60 V
Cathode Current65 mA
Audio Performance
Power Output1.6 W
Key Features
- Thoriated tungsten filament
- Isolantite base
- Designed for use as an amplifier, oscillator or frequency multiplier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| A-F Power Amplifier Class A | 250V | 1330 | 6000 | 8 | 10mA |
| A-F Power Amplifier Class A | 350V | 1550 | 5150 | 8 | 16mA |
| A-F Power Amplifier Class A | 425V | 1600 | 5000 | 8 | 18mA |
| R-F Power Amplifier Telephony Grid Modulation | 450V | - | - | - | 40mA |
| R-F Power Amplifier Telephony Plate Modulation | 350V | - |
Application Notes
The plate of the RK-10 will not show color when operated at the maximum rated plate dissipation. At least 40 volts of fixed bias should be used with 450 volts on the plate to protect the tube in case of failure of excitation.
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