The JJ Electronic EF806S is a high quality reproduction of the classic EF86. This pentode features a robust construction with the internal shielding used in the original tubes. The JJ EF806 can be used in any EF86 circuit including microphones and amplifiers.
| Body Height | 51.2 mm | |
| Filament Current (If) | 200 mA | |
| Filament Voltage (Uf) | 6.3 V | |
| Grid 1 voltage (Ug1) | -2.2 V typical | |
| Grid 2 current (Ig2) | ≤ 0.6 mA | |
| Grid 2 dissipation (Wg2) | 0.2 W | |
| Grid 2 voltage (Ug2) | ≤ 200 V, 140 V typical | |
| Grid capacitance (cg1) | 3.8 pF | |
| Internal Resistance (Ri) | 2.5 MΩ | |
| Item Diameter | 22 mm | |
| Item Height | 57.6 mm | |
| Plate Capacitance (ca) | 5.1 pF | |
| Plate Current (Ia) | 3.0 mA | |
| Plate Dissipation (Wa) | ≤ 1 W | |
| Plate Voltage (Ua) | ≤ 300 V, 250 V typical | |
| Transconductance (S) | 2.2 mA/V |
