4x VINTAGE 6F6S 6F6G 6F6C 6F6GT KT63 N63 KOBRA (NEW NOS BOXED) MATCHED QUAD #3
Specifications
| Type | Vacuum Tube |
| Model | 6F6S |
| Country Of Origin | Russian Federation |
Main technical characteristics 6F6S MATCHED QUAD #3. (NEW NOS BOXED). The6F6S Pentode is designed for Power Amplification in Output Sdages of Low-Frequency Amplifiers. The6F6S Pentodes are enclosed in Glass Bulb and are providet with an Octal Base and an Indirectly Heated Oxide-Coated Cathode.