Tube Substitutions for:
6L6GX
Beam Power Amplifier
| Type | Substitutes | Base Diagram |
|---|---|---|
| 6L6GX | 6L6A, 6L6G, 6L6GA, 6L6GAY, 6L6GB, 6L6GC, 6L6GT, 6L6, 6L6Y, 5881, 7581, 7581A |  |
| Web References | 6L6GX @ RadioMuseum.org | |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 6L6GX | 6L6A, 6L6G, 6L6GA, 6L6GAY, 6L6GB, 6L6GC, 6L6GT, 6L6, 6L6Y, 5881, 7581, 7581A | |
| Web References | 6L6GX @ RadioMuseum.org | |
| Bulb | T-12 |
| Base | Short Medium Shell Octal 6-Pin |
| Basing | 7S |
| Cathode | Coated Unipotential |
| Mounting Position | Any |
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.9 | Amps |
| Grid No. 1 to Plate | 0.6 | ��f |
| Input | 10 | ��f |
| Output | 6.5 | ��f |
| Plate Voltage | 250 | 400 | Volts |
| Grid No. 2 Voltage | 250 | 300 | Volts |
| Grid No. 1 Voltage | -14 | . . . | Volts |
| Cathode Resistor | . . . | 200 | Ohms |
| Peak A-F Grid Voltage | 14 | 28 | Volts |
| Zero Signal Plate Current | 72 | 112 | Ma |
| Max. Signal Plate Current | 79 | 128 | Ma |
| Zero Signal Grid No. 2 Current | 5 | 7 | Ma |
| Max. Signal Grid No. 2 Current | 7.3 | 16 | Ma |
| Transconductance | 6000 | . . . | �mhos |
| Plate Resistance (approx.) | 22500 | . . . | Ohms |
| Load Resistance | 2500 | 66001 | Ohms |
| Power Output | 6.5 | 32 | Watts |
| Total Harmonic Distortion | 10 | 2.0 | Percent |
| Plate Voltage | 330 | 400 | 450 | Volts |
| Grid No. 2 Voltage | 330 | 300 | 350 | Volts |
| Grid No. 1 Voltage | -24 | -25 | -30 | Volts |
| Peak A-F Grid Voltage | 24 | 25 | 30 | Volts |
| Zero Signal Plate Current | 122 | 102 | 95 | Ma |
| Max. Signal Plate Current | 184 | 152 | 194 | Ma |
| Zero Signal Grid No. 2 Current | 5.6 | 6 | 3.5 | Ma |
| Max. Signal Grid No. 2 Current | 18.5 | 17 | 19.2 | Ma |
| Transconductance | 6000 | ... | ... | �mhos |
| Plate Resistance (approx.) | 22500 | . . . | . . . | Ohms |
| Load Resistance | 45001 | 66001 | 60001 | Ohms |
| Power Output | 31.5 | 34 | 50 | Watts |
| Total Harmonic Distortion | 1.0 | 2.0 | 1.5 | Percent |
| Plate and Grid NO. 2 Supply Voltage | 410 | Volts |
| Cathode Resistor | 220 | Ohms |
| Peak A-F Grid Voltage | 34 | Volts |
| Zero Signal Cathode Current | 134 | Ma |
| Max. Signal Cathode Current | 155 | Ma |
| Load Resistance (PL to PL) | 8000 | Ohms |
| Power Output | 24 | Watts |
| Total Harmonic Distortion | 1.6 | Percent |
| 1 | Plate to Plate. |
| 2 | Grid No. 2 at 43% of Primary Winding. |