6p3s Foton Soviet vintage tube

Lot 4 pcs  Tested Matched quad

Radio tube 6P3S output promenium tetrode - used to enhance low frequency pressure. It is also used in high-frequency generators in tape recorders and transmission devices. It is installed in single-ended and double-ended output cascades of boosters.

Oxide cathode of indirect roasting.

She works in any situation.

Decorated glass with octal base

Characteristics of the lamp

Voltage voltage 6.3 ±0.6 V

Strum roasting 900 ±60 mA

Anode voltage nominal (steady) 250 V

The anode voltage is borderline (constant) 400 V

Anode strum 72 ±14 mA

Grid voltage first (constant) -14 V

Return flow of the mesh first 3.0 µA

Grid voltage other nominal (static) 250 V

Grid voltage other boundary (constant) 300 V

Strum nets other 8 mA

The power generated by the anode is limited to 20.5 W

The power that the mesh dissipates is limited to 2.75 W

The voltage between the cathode and the feeder is borderline (constant) 200 V

Slope 6 ±0.8 mA/V

Output power 5.4 W

The support in the lancus of the mesh first is limited to 0.5 MOhm

Input capacity 11 ±2 pF

Output capacity 8.2 ±1.5 pF

Capacity throughput 1 pF