Showing 12S7 and all of its variations. Other filters are hidden while viewing variations.
| Heater | 12.6 V / 100 mA |
|---|---|
| Plate | S1: 250 V / 2 W |
| Screen | S1: 250 V |
| Ik max | S1: 10 mA |
| rP | S1: 1,000,000 Ω |
| gm | S1: 2 mA/V |
| μ | S1: 18 |
IO - International Octal
Remote-cutoff RF pentode combined with a diode detector for receiver amplification and demodulation. The pentode provides controlled-gain RF/IF amplification while the diode supplies signal detection.
| Heater | 12.6 V / 100 mA |
|---|---|
| Plate | S1: 200 VS2: 170 V / 2 W |
| Screen | S2: 85 V / 0.3 W |
| Ik max | S1: 0.8 mAS2: 10 mA |
| V Inverse | S1: 350 V |
| rP | S2: 900,000 Ω |
| gm | S2: 2 mA/V |
8 pins - B8A - Rimlock 8-contact
Series-heater diode variable-mu pentode combining receiver detection with controlled RF, IF, or audio amplification. The pentode provides broad gain control while the diode supplies independent detection.
| Expand sections | More | Electrical Summary | General Summary | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage Radio Detector ConverterDiode-Pentode |
| IO - International Octal Remote-cutoff RF pentode combined with a diode detector for receiver amplification and demodulation. The pentode provides controlled-gain RF/IF amplification while the diode supplies signal detection. | |||||||||||||||||
| Voltage Radio Detector ConverterDiode-PentodeDissimilar |
| 8 pins - B8A - Rimlock 8-contact Series-heater diode variable-mu pentode combining receiver detection with controlled RF, IF, or audio amplification. The pentode provides broad gain control while the diode supplies independent detection. |