JJ EL84/6BQ5 Platinum Matched

A.F. OUTPUT PENTODE
EL84 is an output pentode for use in guitar and Hi-Fi amplifiers. It has a noval base and maximum plate power of 12W.

Specifications

• Base: NOVAL
• Heater Voltage (Uf): 6.3 V
• Heater Current (If): 0.760 A

Typical Characteristics:

• Anode Voltage (Ua): 250 V
• Screen Grid Voltage (Ug2): 250 V
• Control Grid Voltage (Ug1): -7.3 V
• Anode Current (Ia): 48 mA
• Screen Grid Current (Ig2): 5.5 mA
• Transconductance (S): 11.3 mA/V
• Internal Resistance (Ri): 40 kΩ
• Amplification Factor (µg1/g2): 19
• Class: A1

Amplification:

• Anode Voltage (Ua): 250 V
• Screen Grid Voltage (Ug2): 250 V
• Cathode Resistor (Rk): 135 Ω
• Anode Current (Ia): 48 mA
• Screen Grid Current (Ig2): 5.5 mA
• Anode Load (Ra): 5.2 kΩ
• Control Grid Voltage (Ug1eff) for 50mW Output: 0.3 V
• Control Grid Voltage (Ug1eff) for Nominal Output: 4.3 V
• Output Power (N) with 10% Distortion: 5.7 W
• Output Power (N): 6 W

Limiting Values:

• Maximum Anode Voltage (Ua): 300 V
• Maximum Anode Dissipation (Wa): 12 W
• Maximum Screen Grid Voltage (Ug2): 300 V
• Maximum Screen Grid Dissipation (Wg2): 2 W
• Maximum Control Grid Voltage (Ug1): -100 V
• Maximum Cathode Current (Ik): 65 mA
• Grid Resistor (Rg1) for Automatic Bias: 1 MΩ
• Grid Resistor (Rg1) for Fixed Bias: 0.3 MΩ
• Maximum Cathode to Heater Voltage (Uk/f): 100 V

Capacitances:

• Grid to Cathode Capacitance (cg/k): 10 pF
• Anode Capacitance (ca): 5.1 pF
• Grid to Anode Capacitance (cg/a): 0.6 pF
• Grid to Heater Capacitance (cg1f): 0.15 pF