主要 真空管 Gm 表１
| NEMU | Ep | Ip | Eg1 | Gm |
|---|---|---|---|---|
| 2A3 | 250V | 60mA | -45V | 5250μ |
| 300B | 300V | 60mA | -61V | 5400μ |
| 6BQ5 | 250V | 48mA | -7.3V | 11300μ |
| 6BM8 | 170V | 41mA | -11.5V | 7500μ |
| 6CA7 | 250V | 100mA | -13.5V | 11000μ |
| 6GC5 | 200V | 46mA | -7.5V | 8000μ |
| 6V6 | 250V | 45mA | -12.5V | 4100μ |
| 6L6GC | 250V | 72mA | -14V | 6000μ |
| KT66 | 250V | 85mA | -15V | 6300μ |
| KT88 | 250V | 140mA | -15V | 11500μ |
| . | ||||
| 12AT7 | 250V | 10mA | -2.0V | 5500μ |
| 12AU7 | 250V | 10.5mA | -8.5V | 2200μ |
| 12AX7 | 250V | 1.2mA | -2.0V | 1600μ |
| 6AQ8 | 250V | 10mA | -2.3V | 5900μ |
| 6FQ7 | 250V | 9.0mA | -8.0V | 2600μ |
| 6SL7GT | 250V | 2.3mA | -2.0V | 1600μ |
| 6SN7GT | 250V | 9.0mA | -8.0V | 2600μ |
| . | ||||
| 6267 | 250V | 3.0mA | -2.0V | 2000μ |
| 6AU6 | 250V | 10.6mA | -1.0V | 5200μ |
| .6BA6 | 250V | 11mA | -2.0V | 4400μ |
| . | ||||
| .6RA8 | 250V | 55mA | -19V | 10500μ |
| .6RA3 | 100V | 100mA | -20v | 12500μ |
| . | ||||
| 42 | 250V | 34mA | -16.5V | 2500μ |
| .6ZP1 | 180V | 15mA | -10V | 1750μ |
| .6AR5 | 250V | 33mA | -18V | 2300μ |
| 2015. 1.18 | gm表 2 |  |