→ What is 6K4P tube?
- The 6K4P (6К4П Cyrillic) is a high frequency pentode from the Soviet era. Vibration resistance is given in the data-sheet and this suggests a special quality valve. The opening in the anode reveals the three wire grids. The mica supports are quite thick and this will help in vibration resistance.
- The anode face view with the grid supports visible above the top mica.
- The thin glass tube envelope is 17 mm in diameter, and excluding the B7G base pins is 51 mm tall.
- Reference: Data-sheet. Type 6K4P was first introduced in 1954.
6K4P Datasheet:
| Name: | 6K4P |
| Type |
HF pentode,hi-durable,long-life
|
| Application |
HF voltage amplification
|
| Cathode type |
oxide,indirect heating
|
| Envelope |
glass,miniature
|
| Mass,g | 13 |
| Filament voltage, V | 6,3 |
| Filament current,A | 0,275-0,325 |
| Anode voltage,V | 250 |
| Anode current,A | 0,007-0,013 |
| Anode power,W | 3 |
| Grid2 voltage,V | 100 |
| Steepness,mA/V | 3,5-5,3 |
| Reverse grid current,uA | 0,3 |
| Microphnic noise,mV | 180 |
| Socket type | rsh4 |
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