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Classification-column type bulb of glass, copper ceramic base with four gold pins , oxide coated filamentary, carbon plate, triode.
Application-Audio power amplifier A-F, R-F of class B or R-F of 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.
Fig.1 Fig.2
Nominal operating conditions and parametersFilament voltage……………………………………………………………10.0V
Nominal filament current……………………………………………………0.6 A
Plate voltage…………………………………………………………………900 V
Grid voltage…………………………………………………………………20 V
Plate current………………………………………………………………… 110 mA
Suggest operating conditions and parameters A-F of Class B power amplifier ( two tube )
| Plate voltage |
1250 |
1500 |
1500 |
V |
| Ia(max. sig. per tube ) |
|
|
210 |
Ma |
| Pa (in ) ( max. sig. per tube ) |
|
|
315 |
W |
| Pa( per tube) |
|
|
125 |
W |
| Grid voltage |
|
-16 |
|
V |
| Ug~ ( pk ) |
235 |
280 |
|
V |
| Ia (O) |
148 |
84 |
|
Ma |
| Ia ( max. sig. ) |
500 |
600 |
|
Ma |
| Pd |
6 |
7 |
|
W |
| Load resistance ( a-a ) |
6.7 |
8.2 |
|
kohms |
| Pout( max. sig. ) |
300 |
370 |
|
|
R-F of classB power amplifier of push-pull
| Plate current |
800 |
1000 |
1000 |
1250 |
V |
| Plate voltage |
-125 |
-170 |
-175 |
-225 |
V |
| Grid voltage |
4.5 |
4.6 |
4.6 |
6.6 |
kohms |
| Load resistance |
80 |
70 |
40 |
40 |
mA |
| Signal voltage(pk) |
177 |
240 |
|
|
V |
| Output powe |
40 |
75 |
75 |
115 |
W |
|
