- podstawa z miedzi i ceramiki
- 4 pozłacane piny
- węglowe żarniki
Classification#
Dome-type bulb of glass, filametary of carbennation Th-w a copper ceramic base with four-prong bayonet golden pins, carbon plate triode.
Application#
Audio power amplifier Class A or Class B or Class C.
Dimensions#
Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.
Nominal operating conditions and parameters#
Filament voltage …………………………………………………………… 10V
Nominal filament current …………………………………………………… 3.2A
Plate voltage ………………………………………………………………… 1250V
Grid voltage ………………………………………………………………… -70V
Plate current …………………………………………………………………100mA
Amplification factor ……………………………………………………………12
Load resistance ……………………………………………………………… 7 kohms
Output power ………………………………………………………………… 10W
Grid to plate transconductance …………………………………………… 3.8mA / V
Characteristics-Average characteristics#
Figure 3. Shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.