CK6688 / CK6688A
0 Tubes in archive
BrandRaytheon
ClassPentode
BaseNoval (B9A)
Filament6.3V @ 300mA
Construction
Primary TypePentode
EnvelopeGlass T-6 1/2
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage210 V
Plate Dissipation2.7 W
Grid 2 Voltage175 V
Cathode Current25 mA
H-C Voltage60 V
Audio Performance
Key Features
- High transconductance
- Frame grid
- Sharp-cutoff
- Wide-band amplifier service
- Vibration and shock resistant
- Reliable quality
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Wide-band amplifier | 190V | 16500 | 90000 | - | 13mA |
Application Notes
Special attention should be given to the temperature which the tubes are to be operated. Reliability will be seriously impaired if maximum bulb temperature is exceeded.
Showing 1 to 0 of 0 results