Reference 3.1 300B
| Manufacturer | Audio Space |
| Function | Amplifier, Integrated (21Wx2 (Triode) Class A Push-Pull) |
| Country | China |
| Form Factor | Freestanding |
| Signal Path | Analog Hardware |
| Dimensions | 475mm x 405mm x 215mm |
| Weight | 34.6kg |
| Power Tubes | 4 X 300B |
| Driver Tubes | 2 X 6SN7 |
| Preamplifier Tubes | 4 X 12AX7 |
| Output impedance | 4, 8, 16 Ω |
| Channels | 2 Channel |
| Links | TAS Review · Dagogo Review |