|
CV4003 / 12AU7WA / 6189 reliable
low impedance double triode
 |
This valve measures 55x19mm
overall and has a B9A base. |
This valve is based on the
CV491. The equivalent flying lead valve is CV4034. CV4113 is a gold-pinned version.
See also CV4122 which is a selected CV4003.
| Heater voltage |
12.6 / 6.3V |
| Heater current at 12.6V |
150mA |
| Max anode voltage |
330V |
| Max anode dissipation |
3W |
| Max peak negative grid
voltage |
-200V |
| Max negative grid voltage |
-55V |
| Max cathode current |
20mA |
| Mutual conductance * |
2.2mA/V |
| Amplification factor * |
17 |
| Anode impedance * |
7700 ohms |
| Max heater cathode voltage |
200V |
| Max bulb temperature |
200C |
| Max shock (short duration) |
500g |
| Max acceleration (continuous
operation) |
2.5g |
| Capacitances
(unscreened) |
| Cag nom (each section) |
1.5pF |
| Cin nom (each section) |
1.6pF |
| Cout ' nom |
0.5pF |
| Cout " nom |
0.45pF |
| Pin |
Function |
| 1 |
Anode " |
| 2 |
Grid " |
| 3 |
Cathode " |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Anode ' |
| 7 |
Grid ' |
| 8 |
Cathode ' |
| 9 |
Heater centre tap |
|
