6CK6

Power Pentode — Noval

Data: MediumMedium quality — at least 60% of universal parameters and pins are present, but some key data is missing. Verify specific values against datasheets before critical use.

↗ TDSL ↗ Radiomuseum

Known Equivalents & Substitutes

EL836CL6 6GK6CV2726EL803

Similar Tubes (Not Drop-In Compatible)

6CH6

Brans lists as equivalent — similar power pentode

7AD7

Brans lists as equivalent — Loctal base version, not pin-compatible

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Anode Voltage (max)300V

Anode Dissipation (max)Anode Dissipation (max)9W

Screen Voltage (max)Screen Voltage (max)300V

Typical Operating

Anode Voltage (typical)Anode Voltage (typical)250V

Notes

The 6CK6 is a miniature power pentode with high transconductance (10000 umhos) in a Noval base. Muiderkring lists EL83 as European equivalent.
GE rates max anode dissipation at 9W, max screen voltage 300V, max plate voltage 300V.
Typical operation at Va=250V, Vg2=250V, Vg=-5.5V: Ia=36mA, Ig2=5mA, gm=10000 umhos, Rp=130kΩ.

Pin Layout — Noval

1Grid 3 (Suppressor)

2Grid 1 (Control Grid)

3Cathode

Socket-Compatible Tubes ⚠ Not electrically compatible

AL860 EF814

References