Input Voltage B: 100V, BF: 120V, BV: 220V, BR: 230V
All models are equipped with Short Ring, Magnetic Shield, and electrostatic shield.
| PT-400BF Power Transformer | |
| Input Voltage | 220V |
| Output Voltage 1 | 20V-0-280V-320V-360V 720mA AC |
| ? | 450mA DC with Bridge Rec |
| Output Voltage 2 | 75V-0-75V/0.15A |
| Output Voltage 3 | (6.3V/4A) x 2, (6.3V/2A) x 2 |
| Outline | WE-114 |
| Size | 124 x 136 x 120mm |
| Mass | 8.1 Kg |
| Applicable Tube | KT88, EL34, EL156 |