10PCS 6S6B-V ( 6С6Б) Hi-durable Miniature Audio Triode RZEP Tubes! USED! OTK! RARE 80's!

All Tubes made by RZEP military plant 

The main technical characteristics of  6S6B ( 6С6Б):

Nominal electrical data:

Filament Heating voltage, V ...6.3

Voltage at the anode, V  ... 120

The bias voltage on the grid, V ...... -2

Current of heat Filament, mA ...... 200 ± 20

Current in the anode circuit, mA ...... 9 ± 2.7

Steepness of the characteristic, mA /V ...... 5

Gain factor ...... 25

The input impedance at a frequency of 5 MHz with a length of pins no more than 10 mm, com ... about 16 

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